Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6657935 | Method and apparatus for recording information on recording medium | Hideharu Eguchi, Osamu Yanagisawa, Yutaka Osada, Kenji Koishi, Makoto Usui +2 more | 2003-12-02 |
| 6608805 | Disk type determining apparatus, optical disk reproducing apparatus and tracking error signal generating apparatus | — | 2003-08-19 |
| 6597641 | Information-signal recording and reproducing apparatus | — | 2003-07-22 |
| 6594203 | Information-signal recording and reproducing apparatus | — | 2003-07-15 |