Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12325084 | Friction stir welding attachment, friction stir welding head, and friction stir welding device | Kouichi Katoh, Toshinao Aoki | 2025-06-10 |
| 12285817 | Friction stir joining attachment, friction stir joining head, and friction stir joining apparatus | Kouichi Katoh, Toshinao Aoki | 2025-04-29 |