Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6956879 | Semiconductor laser device, optical pickup using the same, and apparatus and method for manufacturing the same | Hideaki Tatsuta, Hiroshi Chikugawa, Shinji Yudate | 2005-10-18 |