Inventor
NAKAYAMA TOSHIHIKO
JP8 patents
⚠️ This page may combine multiple inventors who share the name “NAKAYAMA TOSHIHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CITIZEN WATCH CO LTD
5 patentsUS4234811ANov 18, 1980
Supporting structure for a thickness-shear type crystal oscillator for watches
CITIZEN WATCH CO LTD16 citations72
US3988621AOct 26, 1976
Supporting structure for a thickness-shear type quartz oscillator
CITIZEN WATCH CO LTD10 citations71
US4264970AApr 28, 1981
Liquid crystal display cell for an electronic timepiece
CITIZEN WATCH CO LTD9 citations68
US4160928AJul 10, 1979
Case assembly for piezoelectric resonator
CITIZEN WATCH CO LTD3 citations61
US4079281AMar 14, 1978
Shape, AT-cut crystal oscillator
CITIZEN WATCH CO LTD3 citations61