Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7261668 | Method of grinding half toroidal CVT disk | Yuko Kamamura, Hiroyuki Ikeda, Hisashi Machida | 2007-08-28 |
| 6663471 | Method of grinding half toroidal CVT disk | Yuko Kamamura, Hiroyuki Ikeda, Hisashi Machida | 2003-12-16 |