Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6596119 | Manufacturing method of friction plate for clutch | Hideto Nakagawa | 2003-07-22 |
| 6499579 | Wet type friction member | Hideo Ono | 2002-12-31 |
| 6500294 | Manufacturing method of friction plate for clutch | Hideto Nakagawa | 2002-12-31 |