Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6293870 | Friction element for a damper disc having a friction adjusting element | Tamio Nagano, Yoshitaka Kitamura, Hideyuki Imanaka, Hiroshi Uehara | 2001-09-25 |
| 6210280 | Damper disc assembly having non-rotatable spring seats | Tamio Nagano, Yoshitaka Kitamura, Hideyuki Imanaka, Hiroshi Uehara | 2001-04-03 |
| 6004213 | Damper disc assembly having spring seats for changing a phase relationship of the disc assembly | Tamio Nagano, Yoshitaka Kitamura, Hideyuki Imanaka, Hiroshi Uehara | 1999-12-21 |
| 5954585 | Damper disc assembly having friction elements each having a different coefficient of friction | Tamio Nagano, Yoshitaka Kitamura, Hideyuki Imanaka, Hiroshi Uehara | 1999-09-21 |