Inventor
KOMIYAMA KATSUHIKO
8 patents
Patents
8 patentsUS4629329ADec 16, 1986
Electronic wristwatch
CITIZEN WATCH CO LTD30 citations91
US4261049AApr 7, 1981
Wristwatch with solar cells
CITIZEN WATCH CO LTD34 citations91
US3984739AOct 5, 1976
Structure for packaging integrated circuits
CITIZEN WATCH CO LTD15 citations73
US5062090AOct 29, 1991
Module for quartz watch
CITIZEN WATCH CO LTD12 citations72
US4276627AJun 30, 1981
Module structure for electronic digital timepiece
CITIZEN WATCH CO LTD12 citations72
US4236238ANov 25, 1980
Electronic digital timepiece having a stopwatch function and a timer function
CITIZEN WATCH CO LTD8 citations68
US4291400ASep 22, 1981
Electronic timepiece
CITIZEN WATCH CO LTD4 citations61
US4202166AMay 13, 1980
Solid state watch module construction
CITIZEN WATCH CO LTD4 citations60