Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11534854 | Friction stir welding tool and friction stir welding method | Hidetoshi Fujii, Yasuhiro Aoki, Akihiko Ikuta | 2022-12-27 |
| 11273518 | Linear friction welding method | Hidetoshi Fujii, Yasuhiro Aoki, Masanori Yasuyama, Gen MURAYAMA | 2022-03-15 |