Issued Patents 2003
Showing 1–3 of 3 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, Ken'ichi Kasazumi | 2003-12-16 |
| 6584059 | Information recording and reproducing apparatus | Tetsuo Saimi, Hidenori Wada, Teruhiro Shiono, Keiichi Matsuzaki | 2003-06-24 |
| 6549346 | Assembled lens, optical head and optical recordable player with them | Hidenori Wada, Keiichi Matsuzaki, Tetsuo Saimi, Kenichi Kasazumi, Masanari Mohri | 2003-04-15 |