Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7823432 | Method of forming spring washer blind-holes into a piston for an automobile transmission | Yoshiki Hiyama, Kentaro TANABE, Yoshiyuki Kanzaki, Satoshi Sato, Yoshihisa Yamazaki +1 more | 2010-11-02 |