Inventor
SEKIGUCHI TSUNETOSHI
5 patents
Patents
5 patentsUS4234948ANov 18, 1980
Watchglass fixing structure
CITIZEN WATCH CO LTD22 citations79
US4276629AJun 30, 1981
Solar battery timepiece
CITIZEN WATCH CO LTD10 citations72
US4165604AAug 28, 1979
Solar battery timepiece
CITIZEN WATCH CO LTD10 citations72
US4083178AApr 11, 1978
Watch case
CITIZEN WATCH CO LTD8 citations72
US4152889AMay 8, 1979
Push button device for watch casing
CITIZEN WATCH CO LTD11 citations70