Inventor
YAMAUCHI MASAMICHI
JP7 patents
Patents
7 patentsUS5745202AApr 28, 1998
LCD having light interceptive members for shielding light from external driving circuits
CITIZEN WATCH CO LTD50 citations91
US3935701AFeb 3, 1976
Wristwatch with a time display control switch means
CITIZEN WATCH CO LTD18 citations73
US4483230ANov 20, 1984
Illumination level/musical tone converter
CITIZEN WATCH CO LTD11 citations71
US4247927AJan 27, 1981
Digital electronic timepiece
CITIZEN WATCH CO LTD8 citations68
US3998044ADec 21, 1976
Electronic timepiece
CITIZEN WATCH CO LTD17 citations66
US4367958AJan 11, 1983
Correction signal generating system for an electronic timepiece
CITIZEN WATCH CO LTD5 citations61
US4075827AFeb 28, 1978
Adjustable circuit for an electronic timepiece
CITIZEN WATCH CO LTD5 citations61