Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11401973 | Thrust roller bearing | Keisuke Kokubun, Taizou Wakayama, Shingo Watanabe | 2022-08-02 |
| 11319994 | Thrust roller bearing | Keisuke Kokubun, Taizou Wakayama, Shingo Watanabe | 2022-05-03 |
| 10670075 | Thrust roller bearing | Kotaro Yamashita | 2020-06-02 |
| 10465745 | Thrust roller bearing cage and thrust roller bearing | — | 2019-11-05 |
| 10422376 | Thrust roller bearing | — | 2019-09-24 |
| 9151328 | Conical roller bearing | Ryosuke Chudo, Motoshi Kawamura | 2015-10-06 |
| 7878715 | Thrust roller bearing | Kazuyuki Kotani | 2011-02-01 |