Patent Leaderboard

KS

Kenichi Sugibayashi

SI Seiko Instruments: 2 patents #605 of 1,437Top 45%

Overall (All Time): #2,300,525 of 4,157,543Top 60%

2

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
D333987	Watchcase	—	1993-03-16
D333989	Wristwatch	Keizo Kumano	1993-03-16