Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12391005 | Friction stir spot welding method and welded assembly utilizing same | Ryoichi HATANO, Kenichi KAMIMUKI, Shunsuke HARUNA | 2025-08-19 |
| 11858060 | Friction stir spot welding device and method for operating same | Ryoichi HATANO | 2024-01-02 |
| 11491576 | Refill friction stir spot welding method, pressing tool set, and refill friction stir spot welding device | Shunsuke HARUNA, Takashi Ninomiya, Etsuko Yamada, Masaaki Hirano | 2022-11-08 |
| 11292077 | Refill friction stir spot welding method and refill friction stir spot welding device | Shunsuke HARUNA, Noriyuki Taniyama | 2022-04-05 |
| 11045898 | Friction stir spot welding method and friction stir spot welding apparatus | Shunsuke HARUNA | 2021-06-29 |
| 10201873 | Friction stir spot welding device and friction stir spot welding method | Hideki Okada | 2019-02-12 |