Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9683605 | Tapered roller bearing | Shigeo Kamamoto, Yuki Shishihara | 2017-06-20 |
| 9664230 | Taper roller bearing | Shigeo Kamamoto | 2017-05-30 |
| 9599160 | Tapered roller bearing | Shigeo Kamamoto | 2017-03-21 |