Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8871354 | Copper-based sliding material | Takuo Imai, Kouji Zusi | 2014-10-28 |
| 8623517 | Copper-based sliding material | Ryo Sato, Takuo Imai | 2014-01-07 |
| 8623518 | Copper-based sliding material | Kazuaki Toda | 2014-01-07 |