Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6603716 | Optical pickup direction detection unit and optical pickup direction detection method | Mitsuru Sato | 2003-08-05 |
| 6584048 | Focus jump device for reproducing information from a storage medium | Kazuo Takahashi | 2003-06-24 |