Inventor
KANNO FUMIO
JP10 patents
⚠️ This page may combine multiple inventors who share the name “KANNO FUMIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CITIZEN WATCH CO LTD
6 patentsUS6021097AFeb 1, 2000
Electronic watch provided with an electrical generator
CITIZEN WATCH CO LTD25 citations92
US5933392AAug 3, 1999
Electronic watch
CITIZEN WATCH CO LTD35 citations92
US4460282AJul 17, 1984
Timepiece stepping motor drive circuit with stepping failure compensation
CITIZEN WATCH CO LTD21 citations81
US4340946AJul 20, 1982
Electronic timepiece
CITIZEN WATCH CO LTD21 citations81
US4283783AAug 11, 1981
Drive control system for stepping motor
CITIZEN WATCH CO LTD13 citations73
US4440502AApr 3, 1984
Electronic timepiece
CITIZEN WATCH CO LTD7 citations72