Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6925248 | Information recording medium, apparatus and method for recording or reproducing data thereof | Tomoyuki Okada, Kazuhiro Tsuga | 2005-08-02 |
| 6922521 | Information recording medium, apparatus and method for recording or reproducing data thereof | Tomoyuki Okada, Kazuhiro Tsuga | 2005-07-26 |