Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8523451 | Roller bearing | Naoki Matsumori | 2013-09-03 |
| 8347507 | Method for assembling roller bearing | — | 2013-01-08 |
| 7963702 | Roller bearing | — | 2011-06-21 |
| 7931410 | Machined cage for cylindrical roller bearing and method of manufacturing the same | Yukihisa Tsumori | 2011-04-26 |