Inventor
HASUMI TAKAYUKI
JP7 patents
⚠️ This page may combine multiple inventors who share the name “HASUMI TAKAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CITIZEN WATCH CO LTD
4 patentsUS6846998B2Jan 25, 2005
Switch connecting structure for timepiece
CITIZEN WATCH CO LTD97 citations97
US6244742B1Jun 12, 2001
Self-winding electric power generation watch with additional function
CITIZEN WATCH CO LTD50 citations91
US5898646AApr 27, 1999
Watch with extended dial
CITIZEN WATCH CO LTD5 citations59
US5592443AJan 7, 1997
Structure of a watch and assembling method thereof
CITIZEN WATCH CO LTD5 citations59