KS

Kazumi Sakumoto

SI Seiko Instruments: 51 patents #13 of 1,437Top 1%
SK Seiko Watch Kabushiki Kaisha: 2 patents #6 of 28Top 25%
SE Seiko Epson: 1 patents #5,551 of 7,774Top 75%
Overall (All Time): #45,509 of 4,157,543Top 2%
55
Patents All Time

Issued Patents All Time

Showing 51–55 of 55 patents

Patent #TitleCo-InventorsDate
5697374 Pulse rate monitor Hiroshi Odagiri, Keisuke Tsubata, Chiaki Nakamura, Naokatsu Nosaka, Motomu Hayakawa 1997-12-16
5572196 Electronic analog watch with pager Fugio Ozawa 1996-11-05
5490816 Pace generating device 1996-02-13
5297118 Electronic watch with pager 1994-03-22
5297120 Radio wave-standardized electronic timepiece Toshiyuki Yuzuki, Yuichi Inoue 1994-03-22