Issued Patents All Time
Showing 1–4 of 4 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 |
| 7874736 | Oil-lubricated roller bearing assembly | Hiroshi Ueno, Hiroki Matsuyama, Hiroyuki Chiba | 2011-01-25 |
| 6623168 | Tapered roller bearing | Hiroki Matsuyama, Keiichi Furukawa | 2003-09-23 |