Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4776443 | Friction disc clutch assembly | Hisao Ootani | 1988-10-11 |
| 4738344 | Friction clutch | Hisao Ohtani | 1988-04-19 |
| 4716733 | Clutch master cylinder | Masami Sugihara, Osamu Ogura, Hajime Arai | 1988-01-05 |
| 4655335 | Clutch release mechanism | Hisao Ohtani | 1987-04-07 |
| 4646902 | Ventilation structure of clutch | Hisao Ohtani | 1987-03-03 |
| H132 | Twin-plate clutch | Hisao Ohtani | 1986-09-02 |
| 4567728 | Mounting structure for clutch booster assembly | Atsushi Ohmi, Masami Sugihara, Isao Tsuzuki | 1986-02-04 |
| 4549641 | Clutch disc | Hisao Ootani | 1985-10-29 |