Inventor

HARAO NORIYUKI

JP3 patents

Patents

3 patents

US5021700AJun 4, 1991

Driving apparatus for ultrasonic motor

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD48 citations89

US4853578AAug 1, 1989

Driving apparatus for ultrasonic motor

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD14 citations70

US4833359AMay 23, 1989

Driving apparatus for ultrasonic motor

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations70