Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4621328 | Apparatus for controlling a speed change gear | Kenji Arai | 1986-11-04 |
| 4595979 | Positioning apparatus using a hydraulic actuator | Kenji Arai, Kazumasa Kurihara | 1986-06-17 |