Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6493296 | Optical disc inclination detecting method, optical pickup device, and optical disc device | Atsushi Fukumoto | 2002-12-10 |
| 6421304 | Magneto-optical reproducing apparatus using magnetic wall displacement detector | Shunji Yoshimura, Atsushi Fukumoto | 2002-07-16 |