Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10520027 | Tapered roller bearing | Shigeo Kamamoto, Junji Murata, Yuki Shishihara | 2019-12-31 |
| 10167897 | Tapered roller bearing | Yuki Shishihara, Shigeo Kamamoto, Junji Murata | 2019-01-01 |