Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4411851 | Method for making friction material without asbestos fibers including repeated pressing and degassing steps | Toshiaki Sakabe, Yasuhiro Matsumoto | 1983-10-25 |
| 4349093 | Clutch facing | — | 1982-09-14 |
| 4305494 | Clutch disc assembly | Nobuyasu Ishida | 1981-12-15 |