Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11535099 | Power transmission device for a four-wheel drive vehicle | Michio Tsukamoto, Ayumi Hamada | 2022-12-27 |
| 11421782 | Drum-type transmission device | Shuji Nishimoto, Michio Tsukamoto | 2022-08-23 |
| 9409640 | Decelerating and reversing device for marine vessel | — | 2016-08-09 |