Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8827056 | Damper device | Akinori Harada | 2014-09-09 |
| 7938238 | Rotary damper | Shunsuke Okabayashi, Ken Hayashi, Yoshihisa Takei | 2011-05-10 |
| D539296 | Rotary damper | Ken Hayashi, Shun-Hung Cho, Yoshihisa Takei | 2007-03-27 |
| D486833 | Rotary damper | Ken Hayashi | 2004-02-17 |
| 5522485 | Rotary damper | Norio Takahashi | 1996-06-04 |
| 5211431 | Reciprocating device for movable member | Masayuki Nishiyama | 1993-05-18 |