Issued Patents 2022
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11376688 | Friction stir welding tool | Nobuyuki Funahira, Takuya Miyamoto, Ryo Kawahara, Akiyoshi Miyawaki, Keisuke Tsuta +1 more | 2022-07-05 |
| 11311961 | Friction stir welding tool | Akiyoshi Miyawaki, Keisuke Tsuta | 2022-04-26 |
| 11311962 | Friction stir welding tool | Keisuke Tsuta, Akiyoshi Miyawaki | 2022-04-26 |
| 11305376 | Friction stir welding tool | Keisuke Tsuta, Akiyoshi Miyawaki | 2022-04-19 |