Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11143240 | Inner ring unit and tapered roller bearing | Ichiro Kojima, Yuka Sato | 2021-10-12 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11143240 | Inner ring unit and tapered roller bearing | Ichiro Kojima, Yuka Sato | 2021-10-12 |