Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5322474 | Spring dampened damper disc having first and second stage torsion springs | Yasuyuki Hashimoto, Takuji Yoshimura | 1994-06-21 |
| 5190381 | Release bearing assembly | Tooru Hamada, Masahiko Iwase | 1993-03-02 |
| 4949831 | Damping mechanism of clutch disc | Toshiyuki Imai | 1990-08-21 |
| 4938729 | Damper disk of a rubber-series type | Tooru Hamada, Yoshio Nishimura | 1990-07-03 |
| 4848552 | Damper disc | Yoshio Nishimura | 1989-07-18 |
| 4741420 | Damper for a diaphragm spring in a clutch | Nobutoshi Fujito, Tamio Nagano, Hideo Kohno | 1988-05-03 |
| 4741721 | Damper disc | Yoshio Nishimura | 1988-05-03 |