Inventor

MIYASAKA KENZI

5 patents

Patents

5 patents

US4087957AMay 9, 1978

Movement construction for small size analog quartz timepiece

CITIZEN WATCH CO LTD25 citations81

US4198809AApr 22, 1980

Construction of an analogue crystal wrist watch

CITIZEN WATCH CO LTD9 citations71

US4261048AApr 7, 1981

Analog quartz timepiece

CITIZEN WATCH CO LTD20 citations70

US4173863ANov 13, 1979

Analog quartz timepiece

CITIZEN WATCH CO LTD10 citations70

US4152888AMay 8, 1979

Electronic wrist watch

CITIZEN WATCH CO LTD3 citations60