Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10525549 | Friction stir welding device, and rotary tool used for friction stir welding | Kengo Yamamoto, Taizoh YAMAMOTO, Masafumi Araki, Shigeru Nakayama | 2020-01-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10525549 | Friction stir welding device, and rotary tool used for friction stir welding | Kengo Yamamoto, Taizoh YAMAMOTO, Masafumi Araki, Shigeru Nakayama | 2020-01-07 |