Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6754155 | Information recording medium and information processing device | Nobuhiro Hayashi, Munekatsu Fukuyama | 2004-06-22 |
| 6697958 | Method and apparatus for driving a recording medium, method and system for recording and reproducing information, and information supplying medium | Hiroshi Kanno | 2004-02-24 |