Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5632559 | Sliding bearing | Yoshio Kumada, Soji Kamiya | 1997-05-27 |
| 5620262 | Sliding bearing | Yoshio Kumada, Soji Kamiya | 1997-04-15 |
| 5607239 | Bearing unit | Yoshio Kumada, Soji Kamiya | 1997-03-04 |