Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6165246 | Copper-base sintered sliding material excellent in slipperiness and machaniability | Hiromi Yokota, Youichiro Kitagawa, Eichi Sato | 2000-12-26 |
| 5938864 | Sliding material and surface treating method thereof | Takashi Tomikawa, Soji Kamiya | 1999-08-17 |