Inventor
KAWASHIMA HIDEYUKI
11 patents
⚠️ This page may combine multiple inventors who share the name “KAWASHIMA HIDEYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CITIZEN WATCH CO LTD
8 patentsUS4368989AJan 18, 1983
Electronic timepiece having a system for audible generation of a melody
CITIZEN WATCH CO LTD43 citations91
US6108106AAug 22, 2000
Document/image data reader
CITIZEN WATCH CO LTD12 citations71
US4261048AApr 7, 1981
Analog quartz timepiece
CITIZEN WATCH CO LTD20 citations70
US4216649AAug 12, 1980
Function selection circuit for multi-function timepiece
CITIZEN WATCH CO LTD13 citations70
US4173863ANov 13, 1979
Analog quartz timepiece
CITIZEN WATCH CO LTD10 citations70
US3937049AFeb 10, 1976
Monitoring system for digital electronic timepiece
CITIZEN WATCH CO LTD3 citations62
US4075827AFeb 28, 1978
Adjustable circuit for an electronic timepiece
CITIZEN WATCH CO LTD5 citations61
US6720986B2Apr 13, 2004
Optical printer device that forms color images
CITIZEN WATCH CO LTD0 citations41