Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5051004 | Radial ball bearing having a curved chamfer between a raceway groove and its shoulder | Nobuyuki Seo | 1991-09-24 |
| 5007747 | Radial roller bearing | Yasuo Asai | 1991-04-16 |
| 4792243 | Bearing | Junichi Nakajima | 1988-12-20 |