Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8418670 | Roller bearing, cam shaft support structure, internal combustion engine and incorporation method of roller bearing | Katsufumi Abe, Akihiko Katayama, Yugo Yoshimura, Shinji Oishi, Noriaki Fujii +4 more | 2013-04-16 |
| 8220423 | Roller bearing, camshaft support structure, and internal combustion engine | Katsufumi Abe, Shinji Oishi, Noriaki Fujii, Tomoya Fujimoto, Keiko Yoshida +2 more | 2012-07-17 |
| 8132550 | Roller bearing, camshaft support structure, and internal combustion engine | Shinji Oishi, Akihiko Katayama, Yugo Yoshimura, Katsufumi Abe, Noriaki Fujii +4 more | 2012-03-13 |
| 6845686 | Cam follower with roller | Kouji Kametaka, Tadatoshi Suzuki | 2005-01-25 |