Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6670647 | Semiconductor light emitting element, display device and optical information reproduction device using the same, and fabrication method of semiconductor light emitting element | Shigetoshi Ito | 2003-12-30 |
| 6556603 | Nitride-contained semiconductor laser element and optical information reproducing device | Toshiyuki Okumura | 2003-04-29 |