Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6572726 | Process for producing friction plate having flat friction surface and system for producing the same | Hiroji Shimoi | 2003-06-03 |
| 6401898 | Clutch piston having friction lining for lock-up clutch, and process for producing the same | Hiroji Shimoi | 2002-06-11 |