Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6807140 | Optical pickup device for emitting laser beams having different wavelengths and optical disk driver for use therewith | Hiroshi Goto, Fuminobu Furukawa | 2004-10-19 |
| 6804186 | Optical pickup of tilt control type | Kouki Kojima | 2004-10-12 |
| 6757224 | Integrated optical component and optical pick-up device | Masaharu Fukakusa, Hiroshi Goto, Fuminobu Furukawa | 2004-06-29 |