Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6778969 | Method and apparatus for encrypting and recording received content information on a recording medium using both medium identification information and a cipher key for encryption | Mitsuaki Oshima, Yoshiho Gotoh, Shinichi Tanaka, Kenji Koishi, Mitsurou Moriya | 2004-08-17 |
| 6678227 | Simultaneous recording and reproduction apparatus and simultaneous multi-channel reproduction apparatus | Satoshi Kondo, Hideki Fukuda, Masaaki Kondo, Yuji Takagi, Keiichi Kawashima | 2004-01-13 |