Issued Patents 2003
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6661750 | Aberration detection device and optical information recording and reproducing apparatus | Shin-ichi Tanaka | 2003-12-09 |
| 6650612 | Optical head and recording reproduction method | Keiichi Matsuzaki, Teruhiro Shiono, Ken'ichi Kasazumi | 2003-11-18 |
| 6584059 | Information recording and reproducing apparatus | Seiji Nishino, Hidenori Wada, Teruhiro Shiono, Keiichi Matsuzaki | 2003-06-24 |
| 6567358 | Information recording/reproducing apparatus | Yoshiaki Komma, Shin-ichi Tanaka | 2003-05-20 |
| 6549346 | Assembled lens, optical head and optical recordable player with them | Hidenori Wada, Keiichi Matsuzaki, Seiji Nishino, Kenichi Kasazumi, Masanari Mohri | 2003-04-15 |
| 6532202 | Optical element, optical head and optical recording reproducing apparatus | Hidenori Wada, Shin-ichi Kadowaki, Hiroaki Yamamoto, Daisuke Ogata, Naoya Hotta +1 more | 2003-03-11 |
| 6504660 | Prism and manufacturing method thereof, optical beam shaping apparatus and optical head device utilizing such prism, and optical beam shaping method | Seiji Nishiwaki | 2003-01-07 |