Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10704609 | Vehicle drive device with contact body contacting guide surface on clutch | — | 2020-07-07 |
| 10525549 | Friction stir welding device, and rotary tool used for friction stir welding | Kengo Yamamoto, Taizoh YAMAMOTO, Masafumi Araki, Masatoshi Enomoto | 2020-01-07 |