Inventor

KASHIMA YOSHINOBU

5 patents

Patents

5 patents

US4240021ADec 16, 1980

Solar cell battery charging control system

CITIZEN WATCH CO LTD100 citations95

US4026103AMay 31, 1977

Electronic timepiece with digital display means

CITIZEN WATCH CO LTD34 citations88

US4268913AMay 19, 1981

Electronic calculator watch

CITIZEN WATCH CO LTD22 citations80

US4095129AJun 13, 1978

Rotor assembly for electro-mechanical transducer of electronic timepiece

CITIZEN WATCH CO LTD16 citations68

US4188775AFeb 19, 1980

Frequency adjustment means for electric timepiece

CITIZEN WATCH CO LTD4 citations60