Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8029370 | Spring seat and damper disk assembly | Akihiko Oono, Michitomo Masaki, Takashi Harada | 2011-10-04 |
| 8021234 | Spring seat and damper disk assembly | Akihiko Oono, Michitomo Masaki, Takashi Harada | 2011-09-20 |