Inventor
IGARASHI KIYOTAKA
JP11 patents
⚠️ This page may combine multiple inventors who share the name “IGARASHI KIYOTAKA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CITIZEN WATCH CO LTD
9 patentsUS5889736AMar 30, 1999
Electronic watch
CITIZEN WATCH CO LTD59 citations96
US6021097AFeb 1, 2000
Electronic watch provided with an electrical generator
CITIZEN WATCH CO LTD25 citations92
US6483781B2Nov 19, 2002
Electronic watch and drive method therefor
CITIZEN WATCH CO LTD24 citations91
US6072752AJun 6, 2000
Hand display-type electronic timepiece
CITIZEN WATCH CO LTD32 citations91
US5237544AAug 17, 1993
Analog world watch
CITIZEN WATCH CO LTD41 citations91
US7154816B2Dec 26, 2006
Electronic watch and electronic watch control method
CITIZEN WATCH CO LTD12 citations84
US6060862AMay 9, 2000
Rechargeable electronic apparatus
CITIZEN WATCH CO LTD14 citations73
US5943301AAug 24, 1999
Electronic timepiece with power generating function
CITIZEN WATCH CO LTD9 citations72
US6819634B2Nov 16, 2004
Electronic clock
CITIZEN WATCH CO LTD1 citations51