Hiroki Yokozawa

Wireguide driving actuator using resonant-type smooth impact drive mechanism

Takeshi Morita, T. Morita, Hiroki Yokozawa, 2015 .

Dynamic resonant frequency control system of ultrasonic transducer for non-sinusoidal waveform excitation

J. Twiefel, Fangyi Wang, Takeshi Morita, 2021, Sensors and Actuators A: Physical.

Efficient Cavitation Generation by Non-sinusoidal Powerful Ultrasound

T. Morita, Hiroki Yokozawa, 2020, IEICE ESS Fundamentals Review.

Dynamic resonant frequency control of ultrasonic transducer for stabilizing resonant state in wide frequency band

Jens Twiefel, Takeshi Morita, Michael Weinstein, 2017 .

Dynamic control of the resonant frequency of ultrasonic transducer

T. Morita, J. Twiefel, H. Hosaka, 2017 .

Characterization of coal fly-ash particles by laser microprobe mass spectrometry

K. Furuya, T. Kikuchi, K. Hoshino, 1987 .