Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6729526 | Friction stir welding apparatus and method and processing apparatus and method | Kazutaka Okamoto, Satoshi Hirano, Masayuki Doi, Hisanori Okamura, Masahisa Inagaki +1 more | 2004-05-04 |