Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6603726 | Pre-pit detection unit | Yoshitaka Shimoda | 2003-08-05 |
| 6577565 | Optical pickup for performing recording or reading operation on recording medium having prepits | Naoharu Yanagawa, Yoshitaka Shimoda | 2003-06-10 |
| 6552983 | Apparatus and method for detecting abnormal condition at the time of recording or reproducing information on information recording medium | Hidehiro Ishii | 2003-04-22 |
| 6545972 | Pre-pit detector of optical recording medium | Masahiro Kato | 2003-04-08 |
| 6507541 | Information recording apparatus | Shinji Suzuki, Ichiro Higuchi, Hiroshi Suzuki | 2003-01-14 |