Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6826239 | Modulating method, modulator, demodulating method and demodulator | — | 2004-11-30 |
| 6775464 | Video duplication control system, video playback device, video recording device, information superimposing and extracting device, and video recording medium | Akira Ogino, Takehiro Sugita | 2004-08-10 |
| 6731624 | Sync signal detection method and radio communication system | Takuji Maekawa | 2004-05-04 |
| 6683864 | Transmission method and transmission apparatus | — | 2004-01-27 |
| 6675969 | Packing box | Nobuyoshi Kiyohara, Eiji Kuriyama | 2004-01-13 |