Issued Patents 1997
Showing 1–2 of 2 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, Takashi Nagato +5 more | 1997-05-20 |
| 5611250 | Rolling/sliding part | Satoshi Kadokawa, Yasuyuki Shimazaki, Hiroshi Iwasa | 1997-03-18 |