Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6907053 | Semiconductor laser device, and optical pickup apparatus using the device | Kenji Ohgiyama, Kiyoaki Tsumura, Koji Yamashita, Toshio Takeuchi, Susumu Ishida | 2005-06-14 |