Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6633526 | Data recording method, data reproducing method and data recording medium | Shinichi Imade | 2003-10-14 |
| 6592045 | Data recording medium, data recording method and computer-readable memory medium | — | 2003-07-15 |