Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6044948 | Structure of spline-connection for power-transmission device | Takashi Okada | 2000-04-04 |
| 5913397 | Clutch structure with piston having surface recessed from pressure surface for reducing stress concentration | Takashi Okada | 1999-06-22 |