Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11027363 | Ironing plate for friction stir welding apparatus and friction stir welding apparatus including the same, and friction stir welding method | Mitsuru Onose, Satoshi Hirano, Akihiro Satou | 2021-06-08 |