Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6562484 | Steel material of high fatigue strength and a process for manufacturing the same | Kikuo Asada | 2003-05-13 |
| 6531019 | Multiple coat metal pipe and its fabrication method | — | 2003-03-11 |
| 6531199 | Multiple coat metal pipe and its fabrication method | — | 2003-03-11 |