Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6665257 | Optical head device, inclination detection apparatus using the same, and optical information processing apparatus using the same | Kousei Sano, Shin-ichi Kadowaki, Hiroaki Yamamoto, Seiji Nishino | 2003-12-16 |
| 6650612 | Optical head and recording reproduction method | Keiichi Matsuzaki, Teruhiro Shiono, Tetsuo Saimi | 2003-11-18 |