Kyohei Yamada, Shoki Ieiri, Shinsuke Itoh, Takashi Kasashima, Chikahiro Imashiro, Jens Twiefel, Takeshi MORITA. Multi-frequency excitation of Rayleigh waves using an elliptical reflector focusing structure and its application for measurement of the acoustic properties of liquids. Japanese Journal of Applied Physics. 2025
Shoki Ieiri, Kyohei Yamada, Tatsuki Sasamura, Shinsuke Itoh, Takashi Kasashima, Takeshi MORITA. An ultrasonic transducer focusing ultrasound into a thin waveguide by two elliptical reflectors. Applied Physics Express. 2024
Weiquan Wang, Kyohei Yamada, Hiroshi Hasegawa, Kohsuke Hirano, Takeshi Morita. A high-power ultrasonic transducer operated in MHz range by circular plate bending mode using a single parabolic reflector. Japanese Journal of Applied Physics. 2024. 63. 4. 04SP27-04SP27
Kyohei Yamada, Shoki Ieiri, Shinsuke Itoh, Takashi Kasashima, Takeshi Morita. Rayleigh wave excitation with an elliptical reflector for high-power ultrasound. Sensors and Actuators A: Physical. 2024. 115253-115253
Abdullah Mustafa, Tatsuki Sasamura, Takeshi Morita. Sensorless Speed Control of Ultrasonic Motors Using Deep Reinforcement Learning. IEEE Sensors Journal. 2024. 24. 3. 4023-4035
Satori Hachisuka, Takamitsu Kaneko, Takeshi Morita 0003. Clarification of Muscle Fatigue Reducing Effect of Walking Assist Device Using Electromyography. LifeTech 2020 - 2020 IEEE 2nd Global Conference on Life Sciences and Technologies. 2020. 161-162
Takeshi Morita, Takefumi Kanda, Kenjiro Takemura. Special issue on innovative actuators. International Journal of Automation Technology. 2016. 10. 4. 469
H. Yokozawa, J. Twiefel, M. Weinstein, T. Morita. Dynamic control of transducer's resonant frequency via the controlling of electric terminal. PROCEEDINGS OF ISMA2016 INTERNATIONAL CONFERENCE ON NOISE AND VIBRATION ENGINEERING AND USD2016 INTERNATIONAL CONFERENCE ON UNCERTAINTY IN STRUCTURAL DYNAMICS. 2016. 1605-1613