Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
NS

Naoki Sekiguchi — 30 Patents

NINikon: 13 patents #314 of 2,493Top 15%
SCShicoh Engineering Co.: 4 patents #3 of 26Top 15%
NCNew Shicoh Technology Co.: 4 patents #3 of 13Top 25%
MLMitsubishi Pencil Company, Limited: 2 patents #127 of 302Top 45%
Rohm Co.: 2 patents #1,039 of 2,292Top 50%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
Sharp Kabushiki Kaisha: 1 patents #6,861 of 10,731Top 65%
NCNew Shicoh Motor Co.: 1 patents #17 of 24Top 75%
Overall (All Time): #123,154 of 4,157,543Top 3%
30 Patents All Time

Issued Patents All Time

Showing 26–30 of 30 patents

Patent #TitleCo-InventorsDate
7394603 Lens driving apparatus Manabu Shiraki, Satoshi Asakawa, Morimasa Yoshie 2008-07-01
6608541 Electromagnetic actuator Manabu Shiraki, Makoto Fujii, Noriyuki Washio, Katsu Okubo 2003-08-19
6234700 Stamping implement 2001-05-22
5642953 Multiplex writing implement Seiichi Kobayashi 1997-07-01
5050063 Method for controlling the characteristics of an aqueous solution 1991-09-17