Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4596320 | Hydraulic damper | Koichi Maeda, Hideo Nishimura | 1986-06-24 |
| 4535877 | Hydraulic damper of adjustable damping force type | — | 1985-08-20 |
| 4458887 | Gas spring locking mechanism | Tomio Imaizumi, Hiroshi Murata | 1984-07-10 |
| 4427188 | Extensible strut for use in device such as a gas spring | Tomio Imaizumi | 1984-01-24 |
| 4337850 | Hydraulic damper | — | 1982-07-06 |