Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6726785 | Aluminum alloy sheet material and method for producing the same | Koji Oyama, Noboru Hayashi, Morio Kuroki | 2004-04-27 |
| 6716390 | Aluminum alloy extruded material for automotive structural members | Noboru Hayashi | 2004-04-06 |