Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11130193 | Friction stir welding tool and friction stir welder | Eiji MATSUBARA, Toru Murakami, Seigo OUCHI | 2021-09-28 |
| 10835988 | Friction stir welding tool and machine tool | Kazuki Uemura | 2020-11-17 |