Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6442115 | Information recording apparatus | Yoshitaka Shimoda, Masayoshi Yoshida | 2002-08-27 |
| 6363038 | Optical pickup device minimizing an undesirable astigmatism | — | 2002-03-26 |
| 6346695 | Optical pickup device | Takahiro Togashi, Shinichi Nagahara | 2002-02-12 |
| 6339581 | Disc player having a prepit detecting circuit | Masayoshi Yoshida, Yoshitaka Shimoda, Shinichi Nagahara | 2002-01-15 |