Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7575108 | Damper | — | 2009-08-18 |
| 7353923 | Damper device | Yasuhiko Seto | 2008-04-08 |
| 7216402 | Door handle system | Katsuyasu Tomiji | 2007-05-15 |
| 7207425 | Rotary damper | Ken Hayashi, Shunsuke Okabayashi, Masanobu Kawamoto | 2007-04-24 |
| 6840356 | Rotary damper | — | 2005-01-11 |
| D489028 | Rotational damper | — | 2004-04-27 |
| 6604614 | Rotary damper and assist grip device | Kazumasa Kurihara, Masanobu Kawamoto | 2003-08-12 |
| 5211431 | Reciprocating device for movable member | Kazuyoshi Koizumi | 1993-05-18 |