Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7846290 | Method and apparatus for manufacturing friction plate | Rikiya Takahashi | 2010-12-07 |
| 7364637 | Method and apparatus for manufacturing friction plate | Rikiya Takahashi | 2008-04-29 |
| 6939427 | Method and apparatus for manufacturing friction plate | Rikiya Takahashi | 2005-09-06 |