Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9316273 | Torque converter | Tokimori Saka, Norio Iwashita, Takashi Ishiyama | 2016-04-19 |
| 8939267 | Torque converter | Norio Iwashita, Tokimori Saka, Takashi Ishiyama | 2015-01-27 |
| 8925700 | Torque converter | Takeshi Kawamoto, Tokimori Saka, Norio Iwashita, Takashi Ishiyama | 2015-01-06 |