Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8661686 | Method of manufacturing a shell type needle roller bearing including drawing and ironing operations | Shinji Oishi | 2014-03-04 |
| 6676294 | Rocking bearing | Kazuyoshi Harimoto, Seiji Takahashi, Kousuke Obayashi, Ayumu Yamamoto | 2004-01-13 |
| 5921684 | Thrust ball bearing | — | 1999-07-13 |
| 5758978 | Thrust ball bearing | Masahiko Satoda, Yukimitsu Yamamoto | 1998-06-02 |