Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7921765 | Piston for automatic transmission | — | 2011-04-12 |
| 7823432 | Method of forming spring washer blind-holes into a piston for an automobile transmission | Masakazu Ooka, Yoshiki Hiyama, Kentaro TANABE, Yoshiyuki Kanzaki, Satoshi Sato +1 more | 2010-11-02 |
| 7789210 | Sealing device | Yasunari Hamaya, Ken Yoshikawa, Shinji Nagasawa, Yoshiyuki Kanzaki, Yasushi Sugiyama +1 more | 2010-09-07 |
| 7647864 | Piston for hydraulic clutch | Toshiki Watanabe, Yoshiyuki Kanzaki | 2010-01-19 |