Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7571543 | Method of manufacturing a retainer for a roller bearing | Kazuto Kobayashi, Toshio Nakamura, Keiichi Horino | 2009-08-11 |
| 6997617 | Roller bearing | Masatake Ichimaru, Yukio Ooura, Yuko Kamamura | 2006-02-14 |