Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6646966 | Automatic storage medium identifying method and device, automatic music CD identifying method and device, storage medium playback method and device, and storage medium as music CD | Ryo Kajiyama, Seiji Tsutsui, Hitoshi Sakazume | 2003-11-11 |