東京大学大学院 工学系研究科 精密工学専攻 音響創成工学研究室

東京大学大学院 新領域創成科学研究科 人間環境学専攻 人間支援デバイス分野

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研究業績

原著論文
学術講演発表(国際会議)
学術講演発表(国内会議)
受賞
その他

学術講演発表(国際会議)

  1. Kyohei Yamada, Weiquan Wang, Hiroshi Hasegawa, Kohsuke Hirano and Takeshi Morita, "High-Intensity Underwater Ultrasound with a fluid-Type double-parabolic-Reflector Ultrasonic Transducer", IEEE UFFC-JS 2024, Taipei, Taiwan, 25 Sep. (2024)
  2. Weiquan Wang, Chikahiro Imashiro, Hiroshi Hasegawa, Kohsuke Hirano and Takeshi Morita, "Analysis of Particle Diameter Distribution Produced by Ultrasonic Atomization Under Different Power and Frequency Conditions", IEEE UFFC-JS 2024, Taipei, Taiwan, 24 Sep. (2024)
  3. Weiquan Wang, Chikahiro Imashiro, Hiroshi Hasegawa, Kohsuke Hirano and Takeshi Morita, "Multi-frequency ultrasonic atomization driven by bending mode using a parabolic reflector", AcoustoFluidics2024, Uppsala, Sweden, 15 Aug. (2024)
  4. Zhirui Chen, Chikahiro Imashiro, Wei Qiu and Takeshi Morita, "High-power bulk-wave-acoustophoresis devices utilizing an elliptical reflector focusing transducer", AcoustoFluidics2024, Uppsala, Sweden, 16 Aug. (2024)
  5. C. Nowroth, T. Morita, J. Grajczak, S. Nothdurft, J. Hermsdorf, J. Twiefel, S. Kaierle and J.Wallaschek, "Vibration Shape Tuning Using Passive Piezo Elements for the Ultrasonic-Assisted Laser Beam Welding", IWPMA2024, Leibnizhaus, Germany, 24 Jul. (2024)
  6. Tatsuki Sasamura, Takanobu Fukuoka, Yoshitaka O¡ and Takeshi Morita, "Self-Sensing Load Conditions Using Driving Currents in Traveling Wave Utrasonic Motors", IWPMA2024, Leibnizhaus, Germany, 25 Jul. (2024)
  7. Masatoshi Tsuchida and Takeshi Morita, "Non-Contact Mechanical Q-Factor Measurement System", IWPMA2024, Leibnizhaus, Germany, 24 Jul. (2024)
  8. Shoki leiri, Kyohei Yamada, Shinsuke ltoh, Takashi Kasashima and Takeshi Morita, "MHz-Range Ultrasonic lrradiation From a Thin Waveguide Using the Resonance Principle With Elliptical Reflector", IWPMA2024, Leibnizhaus, Germany, 24 Jul. (2024)
  9. Kyohei Yamada, Shoki leiri, Shinsuke ltoh, Takashi Kasashima and Takeshi Morita, "Rayleigh Wave Excitation Mechanism With an Elliptical Reflector", IWPMA2024, Leibnizhaus, Germany, 24 Jul. (2024)
  10. Soki Eto, Chikahiro Imashiro and Takeshi Morita, "Proposing an Ultrasonic Transducer Exciting In-plane Vibration on a Glass Culture Surface", The 7th Jc-IFToMM International Symposium, Kitakyushu International Conference Center, Japan, 22 Jun. (2024)
  11. Tatsuki Sasamura, Norio Sashida and Takeshi Morita, "Transient response control of the ultrasonic motor with adaptive frequency sweep", ACTUATOR2024, Kurhaus Wiesbaden, Wiesbaden, Germany, 14 Jun. (2024)
  12. Koki Yokoi, Chikahiro Imashiro, Yuta Kurashina and Takeshi Morita, "Applying Multimodal Frequency Vibration to Adhered Cells in Standard Culture Dishes by Using DPLUS (Double-Parabolic-Reflectors Wave-Guided Ultrasonic Transducer)", IWPMA2023, Ramada Plaza Jeju Hotel, Jeju, Korea, 2 Nov. (2023)
  13. Masatoshi Tsuchida, Kyohei Yamada, Kang Chen, Susumu Miyake, Shinsuke Itoh, Takashi Kasashima, Masato Yamazaki and Takeshi Morita, "Acoustic Core-clad Waveguide Design for Dplus (Double Parabolic Reflector Waveguided Ultrasonic Transducers)", IWPMA2023, Ramada Plaza Jeju Hotel, Jeju, Korea, 1 Nov. (2023)
  14. Chikahiro Imashiro, Byungjun Kang, Kenjiro Takemura and Hyungsuk Lee, "Propagating Acoustic Waves on the Glass Culture Surface Control Cell Migration Speed by Modulating Acoustic Intensity", IWPMA2023, Ramada Plaza Jeju Hotel, Jeju, Korea, 1 Nov. (2023)
  15. Kyohei Yamada, Kang Chen, Shinsuke Itoh, Takashi Kasashima, Masato Yamazaki and Takeshi Morita, "T-DPLUS with Disposable Waveguide for Medical Application", IWPMA2023, Ramada Plaza Jeju Hotel, Jeju, Korea, 1 Nov. (2023)
  16. Shoki Ieiri, Kyohei Yamada and Takeshi Morita, "Structural Optimization of the Parabolic Reflectors for DPLUS", IWPMA2023, Ramada Plaza Jeju Hotel, Jeju, Korea, 1 Nov. (2023)
  17. Tatsuki Sasamura, Norio Sashida and Takeshi Morita, "Nonlinear Dynamic Response Analysis of Traveling Wave Ultrasonic Motors for Fast Start-up Performance", IWPMA2023, Ramada Plaza Jeju Hotel, Jeju, Korea, 31 Oct. (2023)
  18. Tomoya Senoue, Tatsuki Sasamura, Jiang Yukun and Takeshi Morita, "Force Feedback System Using an Ultrasonic Motor with an Elastic Element for a Teleoperated Surgical Robot", IWPMA2023, Ramada Plaza Jeju Hotel, Jeju, Korea, 31 Oct. (2023)
  19. Chikahiro IMASHIRO, "In vitro cell culture system controlling cell migration with ultrasound exposure", ICFMD 2023, Inha University, Korea, 28 Oct. (2023)
  20. Fangyi WANG, Jens TWIEFEL, and Takeshi MORITA, "R-SIDM (Resonant-type Smooth Impact Drive Mechanism) operation by using dynamic resonant frequency control system", ICFMD 2023, Inha University, Korea, 28 Oct. (2023)
  21. Tatsuki Sasamura, Norio Sashida and Takeshi Morita, "Reversal Phenomenon in Traveling Wave Ultrasonic Motors: Principles and Mitigation Strategies", IEEE IUS 2023, Palais des congrès de Montréal, 6 Sep. (2023)
  22. Abdullah Mustafa, Tatsuki Sasamura, Takeshi Morita, "Deep Reinforcement Learning for Position Control of Ultrasonic Motors", IWPMA2022, Web Conference, 25 Oct. (2022)
  23. Daichi Yatagai, Tatsuki Sasamura, Susumu Miyake, Takeshi Morita, "R-SIDM design with stacked piezoelectric actuator", IWPMA2022, Web Conference, 25 Oct. (2022)
  24. Fangyi Wang Tatsuki Sasamura, Yukun Jiang, Susumu Miyake, Jens Twiefel, Takeshi Morita, "Dynamic Resonant Frequency Ratio Control for a Resonant-type Smooth Impact Drive Mechanism Actuator", IWPMA2022, Web Conference, 25 Oct. (2022)
  25. Weiquan Wang, Kyohei Yamada, Zhirui Chen, Marie Tabaru, "Air-DPLUS for high power airborne ultrasound", IWPMA2022, Web Conference, 24 Oct. (2022)
  26. Kyohei Yamada, Kang Chen, Susumu Miyake, Takeshi Morita, "Propagation characteristics of traveling waves in T-DPLUS", IWPMA2022, Web Conference, 25 Oct. (2022)
  27. Tomoya Senoue, Tatsuki Sasamura, Susumu Miyake, Takeshi Morita, "Output Force Control of USM Using Nonlinear Mechanism for Master-Slave Surgical Robot", IWPMA2022, Web Conference, 25 Oct. (2022)
  28. Yudai Nagata, Yasushi Hoshijima2, Taro Hariu2, HIroki Yamazaki2, Takeshi Morita, "Blood stirring using cylindrical bending mode transducer", IWPMA2022, Web Conference, 25 Oct. (2022)
  29. Kota Yokoyama, Takashi Kasashima, Susumu Miyake, Takeshi Morita, "Piezoelectric Material’ s Parameter Effect to Langevin Transducer Including Nonlinear Complex Stiffness", IWPMA2022, Web Conference, 26 Oct. (2022)
  30. Abdullah M Mustafa, Tatsuki Sasamura and Takeshi Morita, "Deep Reinforcement Learning for Model-free Sensorless Speed Control of Ultrasonic Motors", Actuator2022, Mannheim, Germany. 30 Jun. (2022)
  31. Tatsuki Sasamura, Abdullah M Mustafa, Susumu Miyake, Norio Sashida and Takeshi Morita, "Effect of rotor elasticity on driving characteristics of the ultrasonic motors", Actuator2022, Mannheim, Germany. 30 Jun. (2022)
  32. Susumu Miyake and Takeshi Morita, "Nonlinear Modelling of Piezoelectric 31 and 33 Effect Vibration Considering Higher Order Elasticity (invited)", International Workshop on Piezoelectric Materials and Applications in Actuators (IWPMA 2021), Web Conference, 28th Oct. (2021)
  33. Fangyi Wang, "Temperature Compensation for Multimodal Ultrasonic Transducer’s Frequency Ratio", International Workshop on Piezoelectric Materials and Applications in Actuators (IWPMA 2021), Web Conference, 28th Oct. (2021)
  34. Qiang Wang, "An Ultrasonic Linear Motor Control Method Considering the Driving Trajectory", International Workshop on Piezoelectric Materials and Applications in Actuators (IWPMA 2021), Web Conference, 28th Oct. (2021)
  35. Abdullah Mohamed Arafa Mustafa, "Deep Reinforcement Learning Speed Control of Travelling Wave Ultrasonic Motor", International Workshop on Piezoelectric Materials and Applications in Actuators (IWPMA 2021), Web Conference, 27th Oct. (2021)
  36. Tatsuki Sasamura, "Design Optimization of Traveling Wave Ultrasonic Motor Using Theoretical Contact Model", International Workshop on Piezoelectric Materials and Applications in Actuators (IWPMA 2021), Web Conference, 27th Oct. (2021)
  37. Takeshi Morita, "Non-Sinusoidal Waveform Generation of High-Power Ultrasonics using Resonant Frequency Control System",IUMRS-ICA2021, hybrid conference (Keynote)5th Oct.(2021)
  38. Fangyi Wang, Satori Hachisuka, Hiroki Yokozawa, Susumu Miyake and Takeshi Morita, "Dynamic Resonant Frequency Control Of Ultrasonic Transducer Using Dual Vibration Modes", IEEE International Ultrasonics Symposium (IUS 2021), Web Conference, 16 Sep. (2021)
  39. Susumu Miyake, Tomoya Aizawa, Tomohiro Harada, Hiroyuki Shimizu, Sumiaki Kishimoto and Takeshi Morita, "Miniature ultrasonic motor using (Bi,Na)TiO3-BaTiO3 multilayered transducer", IEEE International Ultrasonics Symposium (IUS 2021), Web Conference, 15 Sep. (2021)
  40. Kyohei Yamada, Kang Chen, Takasuke Irie, Takashi Iijima, Susumu Miyake and Takeshi Morita, "Fundamental Characteristics of Tube-Type Double-parabolic-reflectors ultrasonic transducer (Tube-Type DPLUS)", IEEE International Ultrasonics Symposium (IUS 2021), Web Conference, 13 Sep. (2021)
  41. Kang Chen, Takasuke Irie, Takashi Iijima, Takashi Kasashima, Kota Yokoyama, Susumu Miyake and Takeshi Morita, "Multimode Excitation by a Double-Parabolic-Reflectors Ultrasonic Transducer (DPLUS) with hard type piezoelectric materials", IEEE International Ultrasonics Symposium (IUS 2021), Web Conference, 13 Sep. (2021)
  42. Xiaoxing Xu, Satori Hachisuka and Takeshi Morita, "Measurement Method of Walking Support Effect Using Thermal Image during Long-time Walking", 2021 IEEE 3rd Global Conference on Life Sciences and Technologies (LifeTech 2021), pp. 241-243, Nara Royal Hotel, Japan, 10 Mar. (2021)
  43. Satori Hachisuka, Xiaoxing Xu and Takeshi Morita, "Verification of Generalizability of Walking Assist Status Index Using Electromyography", 2021 IEEE 3rd Global Conference on Life Sciences and Technologies (LifeTech 2021), pp. 251-252, Nara Royal Hotel, Japan, 10 Mar. (2021)
  44. Abdullah M Mustafa and Takeshi Morita, "Extremum seeking control of preload-controllable ultrasonic motor", Actuator2021, Web Conference, 17 Feb. (2021)
  45. Tatsuki Sasamura, Takamitsu Kaneko, Abdullah M Mustafa, Yuichiro Orino, Satori Hachisuka and Takeshi Morita, "Phase difference torque control of USM for walking assist system", Actuator2021, Web Conference, 18 Feb. (2021)
  46. Kohei Shinoda, Kang Chen, Takasuke Irie, Takashi Iijima and Takeshi Morita, “Ultrasonic propagation characteristics of Bulk Metallic Glass at sub100-MHz”, International Workshop on Piezoelectric Materials on Applications (IWPMA 2020), Web Conference, 25 Sep. (2020)
  47. Takeshi Morita and Susumu Miyake, “Nonlinear transfer matrix model for high-power piezoelectric vibration (invited plenary lecture)", International Workshop on Piezoelectric Materials on Applications (IWPMA 2020), Web Conference, 24 Sep. (2020)
  48. Kang Chen, Takasuke Irie, Takashi Iijima and Takeshi Morita, “Flexible waveguide with Double-Parabolic-refLectors Ultrasonic tranSducer (DPLUS) for high-power therapeutic ultrasound”, International Workshop on Piezoelectric Materials on Applications (IWPMA 2020), Web Conference, 23 Sep. (2020)
  49. Tatsuki Sasamura, Abdullah Mustafa, Takamitsu Kaneko and Takeshi Morita, “Holding torque reduction with standing wave excitation for realizing torque control of ultrasonic motor”, International Workshop on Piezoelectric Materials on Applications (IWPMA 2020), Web Conference, 22 Sep. (2020)
  50. Takamitsu Kaneko, Yuichiro Orino, Satori Hachisuka, Takeshi Morita, "Effective Assist of Hip-joint Support Ambient Walking Assistive System Using Ultrasonic Motors", 2020 IEEE 2nd Global Conference on Life Sciences and Technologies (LifeTech 2020), pp.275-276, Mielparque Kyoto, Japan, 11 Mar. (2020,3)
  51. Satori Hachisuka, Takamitsu Kaneko, Takeshi Morita, "Clarification of Muscle Fatigue Reducing Effect of Walking Assist Device Using Electromyography", 2020 IEEE 2nd Global Conference on Life Sciences and Technologies (LifeTech 2020), pp.161-162, Mielparque Kyoto, Japan, 11 Mar. (2020,3)
  52. Qingyang Liu, Kang Chen, Junhui Hu and Takeshi Morita, “DPLUS based high-frequency ultrasonic tweezers”, International Workshop on Piezoelectric Materials on Applications (IWPMA 2019), Lyon, France, 4 Oct. (2019)
  53. Kang Chen, Takasuke Irie, Takashi Iijima and Takeshi Morita, “Double parabolic reflectors wave-guided high-power ultrasonic transducers”, International Workshop on Piezoelectric Materials on Applications (IWPMA 2019), Lyon, France, 4 Oct. (2019)
  54. Hiroki Yokozawa, Satori Hachisuka, Jens Twiefel, Tien-Fu Lu and Takeshi Morita, “Effective cavitation generation with non-sinusoidal waveform excited by multimodal ultrasonic transducer (invited talk)”, International Workshop on Piezoelectric Materials on Applications (IWPMA 2019), Lyon, France, 4 Oct. (2019)
  55. Takamitsu Kaneko and Takeshi Morita, “Application of ultrasonic motors for walking assistive system”, International Workshop on Piezoelectric Materials on Applications (IWPMA 2019), Lyon, France, 3 Oct. (2019)
  56. Susumu Miyake, Tomohiro Harada, Hiroyuki Shimizu, Sumiaki Kishimoto and Takeshi Morita, “Elastic fin type ultrasonic motor using (Bi,Na)TiO3-BaTiO3 multilayer piezoelectric transducer”, International Workshop on Piezoelectric Materials on Applications (IWPMA 2019), Lyon, France, 2 Oct. (2019)
  57. Abdullah Mustafa and Takeshi Morita, “Extremum seeking control for efficiency optimization of rotary ultrasonic motors”, International Workshop on Piezoelectric Materials on Applications (IWPMA 2019), Lyon, France, 2 Oct. (2019)
  58. Akira Iwasaki and Takeshi Morita, “Electromechanical coupling k2 measurement in the direct effect based on the definition of IEEE”, International Workshop on Piezoelectric Materials on Applications (IWPMA 2019), Lyon, France, 2 Oct. (2019)
  59. Yuichiro Orino, Kenta Suzuki, Sze Keat Chee and Takeshi Morita, "Self-sensing mechanical impedance detection using piezoelectric manipulators", International Congress on Ultrasonics (ICU 2019), Bruges, Belgium, 3 Sep. (2019)
  60. Takeshi Morita, "Evaluation method for high-power piezoelectric materials and devices (invited talk)", IEEE International Ultrasonic Symposium (IUS 2018), Portpia Hotel, Kobe, Japan, 24 Oct. (2018)
  61. Susumu Miyake, Takashi Kasashima, Masato Yamazaki, Yasuyuki Okimura, Hajime Nagata and Takeshi Morita, "Nonlinear elastic constants measurements for various piezoelectric materials",International Workshop on Piezoelectric Materials on Applications (IWPMA 2018), KOBE Chamber of Commerce and Industry, Japan, 12 Sep. (2018)
  62. Kenta Suzuki, Hikaru Umino, Akihiko Houda and Takeshi Morita, "Long-range linear actuator using SMA wires",International Workshop on Piezoelectric Materials on Applications (IWPMA 2018), KOBE Chamber of Commerce and Industry, Japan, 12 Sep. (2018)
  63. Abdullah Mustafa and Takeshi Morita、 "Dynamic energy efficient preload control for rotary ultrasonic motors",International Workshop on Piezoelectric Materials on Applications (IWPMA 2018), KOBE Chamber of Commerce and Industry, Japan, 12 Sep. (2018)
  64. Hiroki Yokozawa, Jens Twiefel, Michael Weinstein and Takeshi Morita、"Variable simulated inductor for the resonant frequency control of the ultrasonic transducer",International Workshop on Piezoelectric Materials on Applications (IWPMA 2018), KOBE Chamber of Commerce and Industry, Japan, 12 Sep. (2018)
  65. Yutaro Tanoue and Takeshi Morita、"Fundamental study on miniature ultrasonic linear motor capable of applying opposing preload ",International Workshop on Piezoelectric Materials on Applications (IWPMA 2018), KOBE Chamber of Commerce and Industry, Japan, 12 Sep. (2018)
  66. Naruhiro Iwama, Susumu Miyake and Takeshi Morita、"Nonlinear elastic coefficients of piezoelectric material in Langevin transducer analyzed with transfer matrix",International Workshop on Piezoelectric Materials on Applications (IWPMA 2018), KOBE Chamber of Commerce and Industry, Japan, 14 Sep. (2018)
  67. Takeshi Morita, "Resonant frequency control method for R-SIDM (invited talk)", Hangzhou, China, 16 Aug. (2018)
  68. Y. Tanoue and T. Morita“Miniature Ultrasonic Linear Motor Capable of Applying Opposing Preload”, Actuator 2018, pp.408-411, Bremen, Germany, 26 June (2018)
  69. K. Suzuki, S.K. Chee and T. Morita,“Self-sensing grasping with piezoelectric manipulator", Actuator 2018, Bremen, Germany, 26 June (2018)
  70. H. Yokozawa, J. Twiefel, M. Weinstein and T. Morita, "Resonant Frequency Control of the Ultrasonic Transducer Using Simulated Inductor", Actuator 2018, Bremen, Germany, 26 June (2018)
  71. H. Yokozawa, J. Twifel, M. Weinstein and T. Morita, “The resonant frequency ratio controllable ultrasonic transducer”, International Workshop on Piezoelectric Materials on Applications (IWPMA 2017), Washington DC, USA, 13 Sep. (2017)
  72. Susumu Miyake, Takashi Takashima, Masato Yamazaki, Yasuyuki Okimura, Hajime Nagata and Takeshi Morita, “Investigation of the nonlinear elastic constant of PZT and lead-free piezoelectric materials for the high power application”, International Workshop on Piezoelectric Materials on Applications (IWPMA 2017), Washington DC, USA, 13 Sep. (2017)
  73. T. Morita, “Ultrasonic-assisted hydrothermal method for thick piezoelectric films (invited talk)”, International Workshop on Piezoelectric Materials on Applications (IWPMA 2017), Washington DC, USA, 12 Sep. (2017)
  74. Takeshi Morita, Hiroki Yokozawa, Michael Weinstein and Jens Twiefel,"Resonant Frequency Tunable Langevin Transducer", ICAE2017, Jeju Korea, 22 Nov. (2017) (invited talk)
  75. H. Yokozawa, J. Twifel, M. Weinstein and T. Morita“Dynamic control of the piezoelectric transducer's resonant frequency using MOSFET switching”, Actuator 2016, pp.91-94, Bremen, Germen, June (2016)
  76. R. Takayama and T. Morita“Barium Titanate Thick Film Deposited by Ultrasonic-Assisted Hydrothermal Method”, Actuator 2016, pp.423-426, Bremen, Germen, June (2016)
  77. S. Miyake and T. Morita“Piezoelectric Nonlinearity and its Temperature Dependency Under High Power Driving”, Actuator 2016, pp.419-422, Bremen, Germen, June (2016)
  78. H. Yokozawa, J. Twifel, M. Weinstein and T. Morita“Dynamic control of the resonant frequency of ultrasonic transducers”, IWPMA&ECMD 2016, pp.86-87, Jeju, Korea, August (2016)
  79. R. Takayama and T. Morita“Barium titanate thin film deposited by ultrasonic-assisted hydrothermal method”, IWPMA&ECMD 2016, p.172, Jeju, Korea, August (2016)
  80. T. Morita and Y. Liu“Nonlinear piezoelectric properties under high power driving (invited talk)”, IWPMA&ECMD 2016, pp.189-190, Jeju, Korea, August (2016)
  81. S. Miyake and T. Morita“Modelling of high power piezoelectric vibration with interaction between temperature rise and nonlinear vibration”, IWPMA&ECMD 2016, pp.191-192, Jeju, Korea, August (2016)
  82. H. Yokozawa, J. Twiefel, M. Weinstein and T. Morita "Dynamic control of transducer’s resonant frequency via the controlling of electric terminal", The 2016 Leuven Conference on Noise and Vibration　Engineering, pp.1605, Leuven, September (2016)
  83. S. Miyake, Y. Liu, R. Ozaki and T. Morita“Piezoelectric nonlinear characteristics under high-power operation”, JCFMA8, p.22, Tsukuba, Japan, September (2016)
  84. S. Miyake and T. Morita“Evaluation model of the high power characteristics considering the interaction between temperature rise and nonlinear vibration”, USE2016, p.1, Busan, Korea, November (2016)
  85. H. Yokozawa, J. Twiefel, M. Weinstein and T. Morita“Dynamic resonant frequency controllable system for ultrasonic transducer”, USE2016, p.7, Busan, Korea, November (2016)
  86. Ryohei OZAKI, Youyang Liu and Takeshi MORITA, "Non-linear second harmonic vibration mode under high power condition", The 12th International Workshop on Piezoelectric Materials and Applications in Actuators(IWPMA2015), pp.25, Vilnius, Lithuania (2015.06.30)
  87. Ryuichi MIZUKAMI and Takeshi MORITA, "Piezoelectric Linear Actuator with Electromagnetic Controlled Preload", The 12th International Workshop on Piezoelectric Materials and Applications in Actuators(IWPMA2015), pp.50, Vilnius, Lithuania (2015.06.30)
  88. Hiroki YOKOZAWA, Masafumi MUTO, Sumiaki KISHIMOTO, Yutaka DOSHIDA and Takeshi MORITA, "Resonant-type Smooth Impact Drive Mechanism Using Lead-free Piezoelectric Materials", The 12th International Workshop on Piezoelectric Materials and Applications in Actuators(IWPMA2015), pp.54-55, Vilnius, Lithuania (2015.06.30)
  89. Youyang Liu and Takeshi MORITA, "Estimation of Nonlinear Level in Piezoelectric Transducers", The 12th International Workshop on Piezoelectric Materials and Applications in Actuators(IWPMA2015), pp.51, Vilnius, Lithuania (2015.07.01)
  90. YaoYang Liu and Takeshi Morita, "Nonlinear behavior in piezoelectric transducers (invited)", 68th ICAT International Smart Actuator Symposium, State College USA, 6 Oct. (2015)
  91. Katsuhiro Saigusa and Takeshi Morita,"Repetition synthesis of lead zirconate titanate thick film by ultrasonic-assisted hydrothermal method", the 17th US-Japan Seminar on Dielectric and Piezoelectric Ceramics, p.273, Hotel Buena Vista, Matsumoto Japan, 17 Nov. (2015)
  92. Takeshi Morita, "Various piezoelectric actuators based on R-SIDM principle (invited)", ICAE 2015, Jeju, Korea, 19 Nov. (2015)
  93. Hiroki Yokozawa and Takeshi Morita ,"Wireguide-driving Smooth Impact Drive Mechanism", The 11th International Workshop on Piezoelectric Materials and Applications in Actuators & The 9th Energy Harvesting Workshop Program and Abstracts, p.60, Grand metro park hotel, Suzhou, China, 24th, Sep. 2014
  94. Katsuhiro Saigusa and Takeshi Morita, ”Permittivity Feedback Self-sensing Control of Piezoelectric Positioning Stage”, The 11th International Workshop on Piezoelectric Materials and Applications in Actuators & The 9th Energy Harvesting Workshop Program and Abstracts, p.40, Suzhou, China, 24th, Sep. 2014
  95. Takeshi MORITA, "Resonant type Smooth Impact Drive Actuator (R-SIDM) (invited talk)", International KJ-Seminar on Ceramics, Changwan, Korea (2014.11.27)
  96. Takeshi MORITA, Gaku ISOBE, Kanako OHTA, Ryo KUDOH, Takafumi MAEDA,Peter BORNMANN and Tobias HEMSEL, "Ultrasonic-assisted hydrothermal method for the piezoelectric materials", The 3rd International Solvothermal and Hydrothermal Associateion conference 2013 (ISHA2013), Austin, TX, USA, 15 Jan., (2013)
  97. Yukiko Fujiuchi, Takajumi Maeda, Takeshi Morita, "Domain orientation controlled KN family piezoelectric materials with hudrothermal powders", IWPMA 2013, Hannover, Germany, 16 July (2013)
  98. Takafumi Maeda, Peter Bornmann, Tobias Hemsel, Takeshi Morita, "Piezoelectric applications of hydrothermal (K0.48Na0.52)NbO3 ceramics", IWPMA 2013, Hannover, Germany, 16 July (2013)
  99. Masafumi Mutou, Takeshi Morita, "Study on near-field acoustic levitation by multi-mode ultrasonic transducer", IWPMA 2013, Hannover, Germany, 16 July (2013)
  100. Tobias Hemsel,Peter Bornmann, Takeshi Morita, Christoph Sondermann-Wolke, Walter Sextro, "Reliability analysis of ultrasonic power transducers", IWPMA 2013, Hannover, Germany, 15 July (2013)
  101. Peter Bornmann, Takafumi Maeda, Tobias Hemsel, Takeshi Morita, Walter Sextro, "Self-sensing ultrasound transducer for cavitation monitoring", IWPMA 2013, Hannover, Germany, 17 July (2013)
  102. Takeshi Morita, "Piezoelectric actuators using LiNbO3 single crystals", International Workshop on Stoichiometric Lithium Niobate, Goslar, Germany, 20 Sep. (2013)
  103. Takeshi Morita and Yasuaki Shibano, "Vibration characteristics modification of soft-type piezoelectric transducer with biased electrical field (invited)", 66th ICAT International Smart Actuator Symposium, State College USA, 2 Oct. (2013)
  104. Takeshi Morita, Ryo Kudo and Kanako Ohta, “Ultrasonic assisted hydrothermal method for thick piezoelectric films", 16th US-Japan Seminar on Dielectric and Piezoelectric Materials,h North Carolina, USA, 4 Nov. (2013)
  105. Yaoyang Liu, Takafumi Maeda, Yokouchi Yuriko and Takeshi Morita, "The Hardening of CuO-(K,Na)NbO3 via post-annealing with argon", ICAE 2013, Jeju, Korea, 12 November (2013)
  106. Teppei Uchiho, Kazuo Uzuka, Hideyuki Suenaga and Takeshi Morita, "Study of non-contact force sensor using quartz crystal resonator and a pair of spiral coils", ICAE 2013, Jeju, Korea, 12 November (2013)
  107. Ryo Kudo, Gaku Isobe, Peter Bornmann, Tobias Hemsel and Takeshi Morita, "Studies on potassium niobate thick films by ultrasonic assisted hydrothermal method", ICAE 2013, Jeju, Korea, 13 November (2013)
  108. Yohei Tadano and Takeshi Morita, "Simulation model for resonant-type SIDM actuator using equivalent circuit", ICAE 2013, Jeju, Korea, 14 November (2013)
  109. Takeshi Morita and Hideyuki Ikeda, "Self-sensing control of piezoelectric actuator based on real-time permittivity detection (invited)", ICAE 2013, Jeju, Korea, 14 November (2013)
  110. Takeshi Morita, "Hydrothermal method for piezoelectric materials and their applications (invited)", SPIE Micro+Nano Materials, Devices, and Applications, [8923-134], Melbourne, Australia, 11 December, (2013)
  111. Hideyuki IKEDA, Tomoyuki KUGOH, Sze Keat CHEE, Takeshi YANO and Takeshi MORITA, "A self-sensing piezoelectric actuator for the auto-focusing application", IWPMA 2012, Hirosaki, Japan, 25 Aprl (2012)
  112. Takami YOKOSE, Hiroshi HOSAKA and Takeshi MORITA, "Design of miniaturized resonant type SIDM actuator", IWPMA 2012, Hirosaki, Japan, 25 Aprl (2012)
  113. Yuulki IIDUKA and Takeshi MORITA, "Study on the reversal bonding using ferroelctric materials", IWPMA 2012, Hirosaki, Japan, 23 Aprl (2012)
  114. Yasuaki SHIBANO and Takeshi MORITA, "Mechanical Q control of piezoelectric transducer with offset electrical field", IWPMA 2012, Hirosaki, Japan, 23 Aprl (2012)
  115. Kanako OHTA, Gaku ISOBE, Peter BORNMANN, Tobias HEMSEL and Takeshi MORITA, "Study on PZT Film deposited by ultrasonic assisted hydrothermal method", IWPMA 2012, Hirosaki, Japan, 23 Aprl (2012)
  116. Gaku ISOBE, Kanako OHTA, Takafumi MAEDA, Peter BORNMANN, Tobias HEMSEL and Takeshi MORITA, "Synthesis of lead-free piezoelectric material by ultrasonic assisted hydrothermal method", IWPMA 2012, Hirosaki, Japan, 23 April (2012)
  117. Yuriko YOKOUCHI, Takafumi MAEDA, Peter BORNMANN, Tobias HEMSEL and Takeshi MORITA, "Mn-doped (K,Na)NbO3 lead-free piezoelectric ceramics fabricated with hydrothermal powders", IWPMA 2012, Hirosaki, Japan, 23 Aprl (2012)
  118. Peter BORNMANN, Tobias HEMSEL, Takefumi MAEDA, Takeshi MORITA and Walter SEXTRO, "Applications for lead-free piezoelectric materials", IWPMA2012, Hirosaki, Japan, 23 April, (2012)
  119. Peter BORNMANN, Tobias HEMSEL, Takeshi MORITA and Walter SEXTRO, "Investigation of sound field in sonochemical reactors", IWPMA2012, Hirosaki, Japan, 23 April (2012)
  120. Hideyuki IKEDA and Takeshi MORITA, "Practical and theoretical study on the high-precision self-sensing piezoelectric actuator control with a differential detection method", pp. 279-281, ACTUATOR 2012, 13th International Conference on New Actuators, Bremen, Germany, 19 June (2012)
  121. Gaku ISOBE, Takufumi MAEDA, Kanako OHTA, Yuriko YOKOUCHI, Peter BORNMANN, Tobias HEMSEL and Takeshi MORITA, "(K0.48Na0.52)NbO3 ceramics using powders synthesized by ultrasonic assisted hydrothermal method", IUMRS-ICEM2012 ,C-3-O25-004, Yokohama, Japan, 25 September (2012)
  122. Kanako OHTA, Gaku ISOBE, Peter BORNMANN, Tobias HEMSEL and Takeshi MORITA, "The study on PZT film deposited by ultrasonic assisted hydrothermal method and its effect of ultrasonic irradiation", IUMRS-ICEM2012, C-3-O26-006, Yokohama, Japan, 26 September (2012)
  123. Takafumi MAEDA, Peter BORNMANN, Tobias HEMSEL and Takeshi MORITA, "Piezoelectric applications of hydrothermal lead free (K0.48Na0.52)NbO3 ceramics", 64th ICAT International Smart Actuator Symposium, State College USA, 2 Oct. (2012)
  124. Kanako OHTA, Gaku ISOBE, Peter BORNMANN, Tobias HEMSEL and Takeshi MORITA, "Polycrystaline PZT film on porous Ti substrate synthesized by ultrasonic assisted hydrothermal method", Iinternational Ultrasonics Symposium 2012, Dresden, Germany, 8 Oct. (2012)
  125. Takafumi MAEDA, Peter BORNMANN, Tobias HEMSEL and Takeshi MORITA, "Piezoelectric applications of hydrothermal (K0.48Na0.52)NbO3 ceramics", Iinternational Ultrasonics Symposium 2012, Dresden, Germany, 8 Oct. (2012)
  126. Takami YOKOSE, Hiroshi HOSAKA and Takeshi MORITA, "Improvement of miniaturized resonant type SIDM actuator", Iinternational Ultrasonics Symposium 2012, Dresden, Germany, 9 Oct. (2012)
  127. Takeshi MORITA, Takuma NISHIMURA, Ryuichi YOSHIDA and Hiroshi HOSAKA, "Resonant type SIDM actuator for low input voltage operation", The 2nd IFToMM Asian Conference on Mechanism and Machine Science, Tokyo, Japan, 9 Nov. (2012)
  128. Yuki Matsuzaki, Yoichi Kadota, Kazuo Uzuka, Hideyuki Suenaga, Ken Sasaki and Takeshi Morita, "Non-contact actuation of less-invasive bone lengthening device using embedded cycloidal motor driven by permanent magnets from the outside", 14th International Conference on Precision Engineering, pp.722-726, Nov. (2012)
  129. Yoichi KADOTA and Takeshi MORITA, "Fatigue and retention properties of the shape memory piezoelectric actuator", International Congress on Ultrasonics, Gdansk, Poland (2011.9.5)
  130. Munesuke SUZUKI, Hiroshi HOSAKA and Takeshi MORITA, "Resonant type SIDM actuator with two Langevin transducers", International Congress on Ultrasonics, Gdansk, Poland (2011.9.5)
  131. Gaku ISOBE, Ryo AGEBA, Takafumi MAEDA, Peter BORNMANN, Tobias HEMSEL and Takeshi MORITA, "Synthesis of piezoelectric materials by ultrasonic hydrothermal method", International Congress on Ultrasonics, Gdansk, Poland (2011.9.6)
  132. Takeshi MORITA "Ultrasonic assisted hydrothermal method for piezoelectric thin films and powders", 62nd ICAT International Smart Actuator Symposium, USA (2011.10.4) (invited)
  133. Takafumi MAEDA, Yuriko YOKOUCHI, Tobias HEMSEL and Takeshi MORITA, "Piezoelectric properties of lithium modified potassium sodium niobate ceramics synthesized by hydrothermal method", International Conference on Advanced Electromaterials 2011, Jeju, Korea, (2011.11.10)
  134. Hideyuki IKEDA, Yoichi KADOTA and Takeshi MORITA, "Preisach P-E hysteresis model with iteration method", International Conference on Advanced Electromaterials 2011 Jeju, Korea (2011.11.8)
  135. Yoichi KADOTA, Hiroshi HOSAKA and Takeshi MORITA, "Optimization of pulse voltage for the shape memory piezoelectric actuator operation", pp.59-63, ACTUATOR 2010, 12th International Conference on New Actuators, Bremen, Germany, 14 June (2010)
  136. Takuma NISHIMURA and Takeshi MORITA, "Resonant-type SIDM actuator", pp.181-185, ACTUATOR 2010, 12th International Conference on New Actuators, Bremen, Germany, 16 June (2010)
  137. Takeshi MORITA, "Hydrothermal synthesis for ferroelectric materials", IUMRS-ICEM2010, Seoul, Korea, 23 Aug (2010) (invited)
  138. Takeshi MORITA, Takuma NISHIMURA, Munesuke SUZUKI and Hiroshi HOSAKA, "Resonant type smooth impact drive mechanism", 57th ICAT International Smart Actuator Symposium, USA (2010.10.5) (invited)
  139. Peter BORNMANN, Bo FU, Takeshi MORITA, Tobias HEMSEL and Walter SEXTRO, "Piezoelectric transducers for high temperature applications", International Workshop on Piezoelectric Materials and Applications in Actuators & International Symposium on Electroceramics 2010, Antalya, Turkey (2010. 10. 11)
  140. E. G. LIERKE, W. LITTMANN, T. MORITA, T. HEMSEL and W. SEXTRO, "Multi frequency piezoelectric compound transducers with optimized performance characteristics", International Workshop on Piezoelectric Materials and Applications in Actuators & International Symposium on Electroceramics 2010, Antalya, Turkey (2010. 10. 11-13)
  141. Takafumi MAEDA, Norihito TAKIGUCHI, Peter BORNMANN, Tobias HEMSEL and Takeshi MORITA, "Hydrothermal potassium sodium niobate lead-free piezoelectric ceramics" Material Research Society Fall meeting 2010, S4.1, Boston, (2010.11.29)
  142. Kazuhiko INOUE and Takeshi MORITA "Refractive index memory effect of ferroelectric materials by domain control", Material Research Society Fall meeting, S13.3 Boston (2010.12.01)
  143. Yoichi KADOTA, Hiroshi HOSAKA and Takeshi MORITA, "Shape memory piezoelectric actuator with asymmetric voltage operation", JSME-IIP/ ISPS Joint Conference on Micromechatronics for Information and Precision Equipment (MIPE2009) pp.331-332 , Tsukuba(2009.6.20)
  144. Yusuke ISHIKIRIYAMA and Takeshi MORITA, "Improvement of self-sensing piezoelectric actuator control using permittivity change detection", JSME-IIP/ ISPS Joint Conference on Micromechatronics for Information and Precision Equipment (MIPE2009) pp.337-338, Tsukuba (2009.6.20)
  145. Peter BORNMANN, Takeshi MORITA, Yoichi KADOTA and Ryo AGEBA, "Ultrasound-assisted hydrothermal method for piezoelectric materials", IEEE Ultrasonic symosium, P1U-09, Rome (2009.9.21)
  146. Takeshi MORITA and Yoichi KADOTA, "Shape memory piezoelectric actuator", 56th ICAT International Smart Actuator Symposium, USA (2009.10.6) (invited)
  147. Peter BORNMANN, Tobias HEMSEL, Takeshi MORITA, Yoichi KADOTA and Ryo AGEBA, "Ultrasonic transducer for hydrothermal method", 5th International Workshop on direct and inverse problems in piezoelectricity, Hirschegg, Austria, (2009. 10. 22)
  148. Takafumi MAEDA, NORIHITO Takiguchi, MUTSUO Ishikawa, Tobias HEMSEL and Takeshi MORITA, "Hydrothermal (K,Na)NbO3 lead-free piezoelectric ceramics", International Workshop on Piezoelectric Materials and Applications in Actuators & International Symposium on Electroceramics 2009, pp.69-70, Jeju, Korea (2009. 11 9)
  149. Ryo AGEBA, Yoichi KADOTA, Takafumi MAEDA, Norihito TAKIGUCHI, Mutsuo ISHIKAWA, Peter BORNMANN, Tobias HEMSEL and Takeshi MORITA, "Synthesis of the piezoelectric materials by Ultrasonic Assisted Hydrothermal Method", International Workshop on Piezoelectric Materials and Applications in Actuators & International Symposium on Electroceramics 2009, pp.78-79, Jeju, Korea (2009. 11 9)
  150. Ernst GUNTER Lierke, Walter LITTMANN, Takeshi MORITA and Tobias HEMSEL, "Various aspects on the placement of piezoelectric material in composite actuators,motors and transducers", International Workshop on Piezoelectric Materials and Applications in Actuators & International Symposium on Electroceramics 2009, p.87, Jeju, Korea (2009. 11 9) (invited)
  151. Takeshi MORITA, Yusuke ISHIKIRIYAMA and Akito KAWAMATA, "Self-sensing piezoelectric actuator control method using real-time permittivity detection", International Workshop on Piezoelectric Materials and Applications in Actuators & International Symposium on Electroceramics 2009, pp.94-95, Jeju, Korea (2009. 11 9) (invited)
  152. Yoichi KADOTA, Hiroshi HOSAKA and Takeshi MORITA, "Strain memory effect of ferroelectric ceramics due to domain switching by asymmetric filed application", International Workshop on Piezoelectric Materials and Applications in Actuators & International Symposium on Electroceramics 2009, p.101, Jeju, Korea (2009. 11 9)
  153. Peter BORNMANN, Tobias HEMSEL, Takeshi MORITA, Ryo AGEBA and Yoichi KADOTA, "Ultrasonic transducer for hydrothermal method", International Workshop on Piezoelectric Materials and Applications in Actuators & International Symposium on Electroceramics 2009, pp.139-140, Jeju, Korea (2009. 11 10)
  154. Kazuhiko INOUE, Toshinori OHASHI, Hiroshi HOSAKA and Takeshi MORITA, "Light transmittance memory effect of PLZT with asymmetric pulse voltage operation", International Workshop on Piezoelectric Materials and Applications in Actuators & International Symposium on Electroceramics 2009, p.141, Jeju, Korea (2009. 11 10)
  155. Mutsuo ISHIKAWA, Shintaro YASUI, Satoru UTSUGI, Takashi FUJISAWA, Tomoaki YAMADA,Takeshi MORITA, Minoru KUROSAWA and Hiroshi FUNAKUBO, Growth of Epitaxial Potassium Niobate Film on (100)SrRuO3/(100)SrTiO3 by Hydrothermal Method and their Electromechanical Properties., Mater. Res. Soc. Symp. Proc. Vol. 1139, 1139-GG03-52 (2009)
  156. Toshinori OHASHI, Hiroshi HOSAKA and Takeshi MORITA, "Light transmittance memory effect of ferroelectric materials induced by electrical imprint field", The 7th international conference on Machine automation (ICMA2008), pp. 345-348 (Sep. 24-26)/ Awaji /Japan 2008
  157. Yoichi KADOATA, Hiroshi HOSAKA and Takeshi MORITA, "Characterization of shape memory piezoelectric actuator and investigation of the origin of the imprint electrical field", The 7th international conference on Machine automation (ICMA2008), pp.165-170, (Sep. 24-26)/ Awaji /Japan 2008
  158. Yoichi KADOTA, Hiroshi HOSAKA and Takeshi MORITA, "Fatigue property of shape memory piezoelectric actuator by continuous cycling of polarization switching", Material Research Society Fall meeting 2008, C9-32, Boston, (2008)
  159. Norihito TAKIGUCHI, Mutsuo ISHIKAWA, Hiroshi HOSAKA, Tobias HEMSEL and Takeshi MORITA, "Mn-doped KNbO3 Ceramics Synthesized by Hydrothermal Method"Material Research Society Fall meeting 2008, C3.18, Boston, (2008)
  160. Takeshi MORITA, Yoichi KADOTA and Hiroshi HOSAKA, "Fundamental study about shape memory piezoelectric actuator", IEEE ISAF 2007 (The 16th Intenational symposium on the application of ferroelectrics, (May 27-31)/Nara/Japan (2007)
  161. Mutsuo ISHIKAWA, Norihito TAKIGUCHI, Hiroshi HOSAKA and Takeshi MORITA, "Synthesis of the Potassium Niobate Ceramics Using the Hydrothermal Powders", 11th European Meeting on Ferroelectricity (EMF-2007), (Sep 3-7) /Bled/ Slovenia (2007)
  162. Akito KAWAMATA, Yoichi KADOTA, Hiroshi HOSAKA and Takeshi MORITA, "Self-sensing ferroelectric Actuator Using Permittivity Detection", 11th European Meeting on Ferroelectricity (EMF-2007), (Sep 3-7) /Bled/ Slovenia (2007)
  163. Yoichi KADOTA, Hiroshi HOSAKA and Takeshi MORITA, "Shape memory piezoelectric actuator by controlling Imprint Electrical Field", 11th European Meeting on Ferroelectricity (EMF-2007), (Sep 3-7) /Bled/ Slovenia (2007)
  164. Jens TWIEFEL, Takeshi MORITA, "Utilizing multilayer lithium niobate elements for ultrasonic actuators", the International Workshop for Piezoelectric Material and Application on Actuators (IWPMA), (Sep 10-13)/Nanjing/China (2007)
  165. Akito KAWAMATA, Hiroshi HOSAKA and Takeshi MORITA", "Multilayered LiNbO3 Actuators for Ultra-high precise positioning sysytem", Actuator2006, (June 14-16)/Bremen/Germany (2006)
  166. Takeshi MORITA and Yasuo CHO, "Piezoelectric property of epitaxial PbTiO3 thin film deposited by hydrothermal method", IEEE Ultrasonics Symposium, p 1083-1086, (Sep. 18-21)/Rotterdam/ Netherlands(2005)
  167. Mirai KATOH, Takeshi MORITA and Yasuo CHO, "Observation of a ring shaped domain pattern using a scanning nonlinear dielectric microscopy", 16th International Symposium on Integrated Ferroelectrics (ISIF2004) Symposium Abstracts, (April 5-8, 2004) / Gyeongju / Korea 9-13-P. (2004)
  168. Takeshi MORITA and Yasuo CHO, "Hydrothermally deposited epitaxial lead titanate thin films on Strontium Ruthenium oxide bottom electrode", 16th International Symposium on Integrated Ferroelectrics (ISIF2004) Symposium Abstracts, (April 5-8, 2004) /Gyeongju / Korea 10-06-C. (2004)
  169. Takeshi MORITA and Yasuo CHO, "Hydrothermally Deposited PbTiO3 Epitaxial Thin Film", 5th Korea-Japan Conference on Ferroelectricity, (Aug 18-21) /Seoul / Korea) D-04-I (2004) (invited)
  170. Takeshi MORITA, Mirai KATOH and Yasuo CHO, "Polarization reversal mechanism of a ring-shaped ferroelectric domain dot", The 8th International Symposium on Ferroic Domains and Micro- to Nanoscopic Structures, (Aug 24-27) / Tsukuba / Japan S06-Tha04 (2004)
  171. Takeshi MORITA and Yasuo CHO, "“Ferroelectric Properties of an Epitaxial PbTiO3 Thin Film Deposited by a Hydrothermal Method", The 8th International Symposium on Ferroic Domains and Micro- to Nanoscopic Structures, (Aug 24-27) Tsukuba / Japan P02-11 (2004)
  172. Takefumi KANDA, Akira MAKINO, Koichi SUZUMORI, Takeshi MORITA and Minoru K. KUROSAWA, "A cylindrical micro ultrasonic motor using a micro-machined bulk piezoelectric transducer", 2004 IEEE Int. Ultrason. Ferroelect., and Freq. Contr. 50th Anniversary Joint Conf., pp. 1298-1301, Montreal, Canada, Aug. 24-27 (2004)
  173. Takefumi KANDA, Tomoshisa ONO, Koichi SUZUMORI, Takeshi MORITA and Minoru K. KUROSAWA, “A micro ultrasonic motor using a micro-machined cylindrical bulk PZT transducer”, World Congress on Ultrasonics 2003 (September 7-10, 2003) /Paris / France pp. 833-836.
  174. Takeshi MORITA and Yasuo CHO, "Polarization reversal anti-parallel to the applied electric field observed using a scanning nonlinear dielectric microscopy", Mat. Res. Soc. Symp. Proc. vol. 784 pp.C6.9.1-C6.9.6. /Boston / U.S.A. (2003)
  175. Takeshi MORITA, Yasuo Wagatsuma, Hitoshi Morioka, Hiroshi Funakubo, Nava Setter and Yasuo Cho, "Ferroelectric Properties of a Lead Zirconate Titanate Thin Film Deposited by a Hydrothermal Method", Mat. Res. Soc. Symp. Proc. vol. 784 pp.C11.31.1-C11.316. /Boston / U.S.A. (2003)
  176. Takeshi MORITA, Ryuichi YOSHIDA, Yasuhiro OKAMOTO and Toshiro HIGUCHI, “Nanometer Positioning with Long Stroke using A Smooth Impact Drive Mechanism”, Symposium on Piezoelectric Materials for End Users / Interlaken / Switzerland Feb. (2002)
  177. Enrico COLLA and Takeshi MORITA, “Piezo-actuator technology for active vibration control”, Symposium on Piezoelectric Materials for End Users / Interlaken / Switzerland Feb. (2002)
  178. Takeshi MORITA, Koichi KOA and Toshiro HIGUCHI, “Micro levitation system with motion control”, 6th International Symposium on Magnetic Suspension Technology, Turin / Italy Oct. (2001)
  179. Shunichi TAKAHASHI, Takeshi MORITA and Toshiki NIINO, “Improvement of operation time, torque and out-gassing performance of UHV compatible rotary feedthrough utilizing ultrasonic motor”, IEEE Ultrasonics Symposium ‘01, Atlanta/USA, Oct. (2001)
  180. Takeshi MORITA, Toshiki NIINO, “Rotary motion feedthrough using ultrasonic motor for high vacuum condition”, IEEE Ultrasonics Symposium /San Juan/ Puerto Rico Oct. (2000)
  181. Takeshi MORITA, Katsumi SHIMIZU, Masayuki HASEGAWA, Koichi OKA and Toshiro HIGUCHI, “Micro levitation system with motion control using piezoelectric actuator”, 5th International Conference on MOTION and VIBRATIONCONTROL 2000, Sydney/Australia Dec. (2000)
  182. Minoru KUROSAWA, Takeshi MORITA, Takefumi KANDA, Hidehiko YASUI and Toshiro HIGUCHI, “Hydrothermal PZT thin film and its application to actuators and sensors”, Science and Technology of Ferroelectric Materials 2000, La Jolla Jan. (2000)
  183. Koichi OKA, Masayuki HASEGAWA, Takeshi MORITA and Toshiro HIGUCHI, “Study of 2 DOF Magnetically Suspended Manipulation System with Air Gap Control”, 7th International Symposium on Magnetic Bearings, Zurich /Switzerland Aug. (2000)
  184. Takeshi MORITA, Minoru K. KUROSAWA and Toshiro HIGUCHI, “Cylindrical shaped micro ultrasonic motor utilizing PZT thin film (1.4 mm in diameter and 5.0mm in length stator transducer)”, Transducers 99 (Solid State Sensors and Actuators) / Sendai / JAPAN Jun. (1999)
  185. Takeshi MORITA, Minoru K. KUROSAWA and Toshiro HIGUCHI, “Cylindrical shaped micro ultrasonic motor (1.4 mm in diameter and 5.0mm in length stator transducer)”, Ultrasonics International 99 joint with 1999 World Congress on Ultrasonics, Copenhagen/ Denmark Jun. (1999)
  186. Minoru KUROSAWA, Takefumi KANDA, Toshiro HIGUCHI and Takeshi MORITA, “Thin plate longitudinal vibrator touch probe sensor using PZT thin film” IEEE Ultrasonics Symposium ’99 / Lake Tahoe Oct. (1999)
  187. Takefumi KANDA, Takeshi MORITA, Minoru K. KUROSAWA, Toshiro HIGUCHI, “A touch probe sensor using longitudinal vibration of PZT thin film transducer”, 10th international conference on solid state sensors and actuators (Transducers 99), Sendai / Japan June (1999)
  188. Takeshi MORITA, Minoru K. KUROSAWA and Toshiro HIGUCHI, “Micro ultrasonic motor”, ICAT24 (Smart Actuator Symposium) / Penn-State Univ./ USA April (1998)
  189. Takeshi MORITA, Takefumi KANDA, Minoru K. KUROSAWA and Toshiro HIGUCHI, “PZT thin film deposited on hydrothermal method for micro ultrasonic motor and tactile sensor”, CIMTEC 98 (9th International Conference on Modern Material & Technologies) / Florence / Italy Jun (1998)
  190. Takeshi MORITA, Minoru K. KUROSAWA and Toshiro HIGUCHI, “A micro ultrasonic motor fabricated by hydrothermal method (1.4 mm in diameter and 5.0mm in length stator transducer)”, IEEE International Ultrasonic Symposium /Sendai /Japan Oct. (1998)
  191. Takefumi KANDA, Takeshi MORITA, Minoru KUROSAWA and Toshiro HIGUCHI, “A Rod-shaped vibro touch sensor using PZT thin film”, IEEE Workshop on Micro Electro Mechanical Systems, Heidelberg / Germany Jan. (1998)
  192. Takefumi KANDA, Takeshi MORITA, Minoru KUROSAWA, Toshiro HIGUCHI, “A touch probe sensor using longitudinal vibration of PZT thin film transducer”, 1998 IEEE International Ultrasonic Symposium / Sendai / Japan Oct. (1998)
  193. Hidehiko YASUI, Minoru K. KUROSAWA, Takeshi MORITA, Takefumi KANDA, and Toshiro HIGUCHI, “Piezoelectric Transducer for Hearing Aid Using PZT Thin Film”, 16th International Congress on Acoustics and the 135th Meeting of the Acoustical Society of America / Seattle/USA June (1998)
  194. Takeshi MORITA, Minoru K. KUROSAWA and Toshiro HIGUCHI, “A cylindrical micro ultrasonic motor fabricated by improved hydrothermal method”, Transducers 97 (Solid State Sensors and Actuators) / Chicago / USA Jun. (1997)
  195. Takeshi MORITA, Minoru K. KUROSAWA and Toshiro HIGUCHI, “Ultrasonic micro motor fabricated by single process hydrothermal method”, Ultrasonic World Congress (WCU) / Yokohama / JAPAN Aug (1997)
  196. Takefumi KANDA, Takeshi MORITA, Minoru KUROSAWA and Toshiro HIGUCHI, “A rod-shaped vibro touch sensor using PZT thin film”, World Congress on Ultrasonics / Yokohama / Japan Aug. (1997)
  197. Takeshi MORITA, Minoru K. KUROSAWA and Toshiro HIGUCHI, “An ultrasonic micro motor using bending cylindrical transducer based on PZT thin film”, IEEE Micro Electro and Mechanical Systems 95/ Amsterdam / Netherlands Jan. (1995)