Takashi Kawaguchi

Multifunction electronic analog timepiece

Electronic timepiece, control method for electronic timepiece, regulating system for electronic timepiece, and regulating method for electronic timepiece

Apparatus and a method for indicating measurements with an analog display and a pointer unit thereof

Time measurement system and method of controlling the same

Drive method for piezoelectric actuator, drive apparatus for piezoelectric actuator, electronic device, control program for drive apparatus for piezoelectric actuator, and recording medium

Driving method of piezoelectric actuator, driving apparatus of piezoelectric actuator, electronic watch, electronics, control program of piezoelectric actuator, and storage medium

Electronic Timepiece with Generator Function

Apparatus for electronically correcting an electronic timepiece

Piezoelectric actuator drive apparatus, electronic device, driving method thereof, drive control program thereof, and storage medium in which program is stored

Oscillation circuit, electronic appliance and time piece