Inventor
TAMARU MUNETAKA
JP22 patents
Patents
22 patentsUS3998043ADec 21, 1976
Electric timepiece for displaying the operating condition thereof
CITIZEN WATCH CO LTD50 citations92
US4550324AOct 29, 1985
Ink transfer thermal printer
CITIZEN WATCH CO LTD29 citations91
US4232510ANov 11, 1980
Timepiece
CITIZEN WATCH CO LTD22 citations82
US4228644AOct 21, 1980
Display device for calendar timepieces
CITIZEN WATCH CO LTD20 citations82
US4271493AJun 2, 1981
Electronic timepiece
CITIZEN WATCH CO LTD28 citations81
US3992868ANov 23, 1976
Timepiece with calendar mechanism
CITIZEN WATCH CO LTD20 citations81
US4297838ANov 3, 1981
Electronic timepiece
CITIZEN WATCH CO LTD10 citations73
US4283782AAug 11, 1981
Alarm timepiece
CITIZEN WATCH CO LTD7 citations73
US4274153AJun 16, 1981
Movement construction for electronic timepiece
CITIZEN WATCH CO LTD16 citations73
US4212158AJul 15, 1980
Electronic timepiece
CITIZEN WATCH CO LTD8 citations73
US4198808AApr 22, 1980
Calendar timepiece
CITIZEN WATCH CO LTD10 citations73
US4182111AJan 8, 1980
Electronic timepiece
CITIZEN WATCH CO LTD7 citations73
US4175372ANov 27, 1979
Electronic timepiece
CITIZEN WATCH CO LTD8 citations73
US4092820AJun 6, 1978
Electronic timepiece
CITIZEN WATCH CO LTD14 citations73
US4079582AMar 21, 1978
Electronic timepiece
CITIZEN WATCH CO LTD16 citations73
US4058969ANov 22, 1977
Electric timepiece for displaying the operating condition thereof
CITIZEN WATCH CO LTD8 citations73
US4026100AMay 31, 1977
Timepiece with calendar mechanism
CITIZEN WATCH CO LTD15 citations73
US4006585AFeb 8, 1977
Electronic timepiece with electrochromic display element
CITIZEN WATCH CO LTD15 citations73
US4407590AOct 4, 1983
Battery unit for an electric timepiece
CITIZEN WATCH CO LTD12 citations72
US4272836AJun 9, 1981
Alarm timepiece
CITIZEN WATCH CO LTD11 citations72
US4199699AApr 22, 1980
Motor and drive for a timepiece
CITIZEN WATCH CO LTD1 citations52
US4209970AJul 1, 1980
Electronic timepiece
CITIZEN WATCH CO LTD0 citations41