Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6582831 | Friction stir welded body and frame member therefor | Masakuni Ezumi, Kazushige Fukuyori | 2003-06-24 |
| 6557746 | Friction stir bonding method | Masakuni Ezumi, Kazushige Fukuyori | 2003-05-06 |