Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8029370 | Spring seat and damper disk assembly | Akihiko Oono, Souichi Asai, Takashi Harada | 2011-10-04 |
| 8021234 | Spring seat and damper disk assembly | Akihiko Oono, Souichi Asai, Takashi Harada | 2011-09-20 |
| 6857514 | Damper mechanism | Yasuyuki Hashimoto, Tatsuyuki Aoki | 2005-02-22 |
| 6789655 | Damper mechanism | Yasuyuki Hashimoto, Tatsuyuki Aoki | 2004-09-14 |
| 5069323 | Release bearing including replaceable bush | Hiroshi Takeuchi | 1991-12-03 |
| 4944380 | Diaphragm spring device in a clutch | Seiichi Kitano, Masaaki Asada | 1990-07-31 |