Issued Patents All Time
Showing 1–4 of 4 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 | Seiji Tsutsui, Hitoshi Sakazume, Yukikazu Emori | 2003-11-11 |
| 6288991 | Storage medium playback method and device | Seiji Tsutsui, Hitoshi Sakazume, Yukikazu Emori | 2001-09-11 |
| 6283764 | Storage medium playback system and method | Tomihiro Yamazaki, Haruo Mukai, Hidemi Okada | 2001-09-04 |
| 5880388 | Karaoke system for synchronizing and reproducing a performance data, and karaoke system configuration method | Seiji Tsutsui, Hitoshi Sakazume, Yukikazu Emori | 1999-03-09 |