Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11401973 | Thrust roller bearing | Keisuke Kokubun, Yoshihito Nakashima, Shingo Watanabe | 2022-08-02 |
| 11319994 | Thrust roller bearing | Keisuke Kokubun, Yoshihito Nakashima, Shingo Watanabe | 2022-05-03 |