Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6848832 | Surface-treated rolling bearing and manufacturing method thereof | Hiromichi Takemura, Yasuo Murakami, Seiji Sato | 2005-02-01 |
| 6531000 | Surface treated rolling bearing and manufacturing method thereof | Hiromichi Takemura, Yasuo Murakami, Seiji Sato | 2003-03-11 |