Issued Patents 2003
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6659330 | Friction stir welding method, and method for manufacturing car body | Masakuni Ezumi | 2003-12-09 |
| 6622904 | Friction stir bonding method | Masakuni Ezumi | 2003-09-23 |
| 6582831 | Friction stir welded body and frame member therefor | Masakuni Ezumi, Tetsuya Matsunaga | 2003-06-24 |
| 6557746 | Friction stir bonding method | Masakuni Ezumi, Tetsuya Matsunaga | 2003-05-06 |
| 6536651 | Friction stir welding method | Masakuni Ezumi | 2003-03-25 |
| 6530513 | Friction stir welding method, and method for manufacturing car body | Masakuni Ezumi | 2003-03-11 |