Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5630668 | Thrust needle-shaped roller bearing, rolling bearing, and cage of the thrust needle-shaped roller bearing | Katsuhiro Ikezawa, Hiroshi Iwasa, Yasuhiro Nomura, Toshiro Kawamura, Hiroshi Narai +5 more | 1997-05-20 |