Issued Patents 2025
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12370621 | Friction stir tool control method and friction stir device | Masahiro Miyake, Takuya Fukuda, Tadahiro Edagawa, Norichika Kita, Makoto Tsujinaka | 2025-07-29 |
| 12303995 | Friction stir spot welder and method of operating friction stir spot welder | Naoki TAKEOKA, Ryoji Ohashi | 2025-05-20 |
| 12202066 | Friction stir spot welding apparatus and joint structure | Masahiro Miyake, Ryoji Ohashi, Naoki TAKEOKA | 2025-01-21 |