Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12391005 | Friction stir spot welding method and welded assembly utilizing same | Ryoichi HATANO, Shintaro FUKADA, Shunsuke HARUNA | 2025-08-19 |
| 11813692 | Friction stir welding apparatus and friction stir welding method | Hideki Okada, Yusuke Yoshida | 2023-11-14 |
| 10919108 | Configured to set the plunging force | Hideki Okada, Shuhei YOSHIKAWA | 2021-02-16 |
| 10293431 | Friction stir spot welding apparatus and friction stir spot welding method | Hideki Okada, Junichi Tamura | 2019-05-21 |