Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6487016 | Optical head | Teruhiro Shiono | 2002-11-26 |
| 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, Seiji Nishino | 2002-11-12 |
| 6430137 | Aberration detection device and optical information recording and reproducing apparatus | Shin-ichi Tanaka | 2002-08-06 |
| 6414930 | Optical head | Teruhiro Shiono, Keiichi Matsuzaki | 2002-07-02 |