Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5224573 | Hydraulic damper | Akihito Amemiya, Munehiro Awataguchi, Issei Kanari | 1993-07-06 |
| 5129137 | Method of mounting a spring seat on a hydraulic damping device | Hideaki Orihara, Tetsuro Isobe, Makoto Amano | 1992-07-14 |