Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6813299 | Semiconductor laser device and optical disk reproducing and recording apparatus | Hidenori Kawanishi, Yoshie Fujishiro | 2004-11-02 |
| 6775311 | Semiconductor laser device and optical disk recording and reproducing apparatus | — | 2004-08-10 |