Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6480454 | Optical element, optical head using the optical element, and optical recording and reproducing apparatus using the optical element | Hidenori Wada, Daisuke Ogata, Sadao Mizuno, Tetsuo Saimi | 2002-11-12 |
| 6418095 | Optical head device, inclination detection apparatus using the same, and optical information processing apparatus using the same | Kousei Sano, Shin-ichi Kadowaki, Hiroaki Yamamoto, Ken'ichi Kasazumi | 2002-07-09 |
| 6418107 | Optical head device, inclination detection apparatus using the same, and optical information processing apparatus using the same | Kousei Sano, Shin-ichi Kadowaki, Hiroaki Yamamoto, Ken'ichi Kasazumi | 2002-07-09 |
| 6400671 | Optical head device | Hideki Hayashi, Tatsuo Ito, Yoshiaki Komma, Hiroaki Yamamoto | 2002-06-04 |