Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6370098 | Method of converting bits of optical disk, demodulating method and apparatus | Keisuke Tanaka, Teruhiko Ushio | 2002-04-09 |
| 6348883 | Method of converting bits of optical disk, demodulating method and apparatus | Keisuke Tanaka, Teruhiko Ushio | 2002-02-19 |
| 6233213 | Method of converting bits of optical disk, demodulating method and apparatus | Keisuke Tanaka, Teruhiko Ushio | 2001-05-15 |