Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6815477 | Flame-retardant polyamide resin composition, and electrical parts employing the same | Toshihiro Arai, Katsuo Kobori, Osamu Hamazoe | 2004-11-09 |
| 6775065 | Diffraction element and optical pickup device | Kenichi Hayashi | 2004-08-10 |