Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11130193 | Friction stir welding tool and friction stir welder | Masayasu Hachiya, Eiji MATSUBARA, Toru Murakami | 2021-09-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11130193 | Friction stir welding tool and friction stir welder | Masayasu Hachiya, Eiji MATSUBARA, Toru Murakami | 2021-09-28 |