Issued Patents 2004
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6804791 | Data processing apparatus | Yoshihiro Gohara, Yoshinori Kobayashi, Shozo Fujiwara, Tsuyoshi Uemura | 2004-10-12 |
| 6795929 | Data processing apparatus | Yoshihiro Gohara, Yoshinori Kobayashi, Shozo Fujiwara, Tsuyoshi Uemura | 2004-09-21 |
| 6792552 | Data processing apparatus | Yoshihiro Gohara, Yoshinori Kobayashi, Shozo Fujiwara, Tsuyoshi Uemura | 2004-09-14 |
| 6782483 | Data processing apparatus | Yoshihiro Gohara, Yoshinori Kobayashi, Shozo Fujiwara, Tsuyoshi Uemura | 2004-08-24 |
| 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 | Yoshiho Gotoh, Shinichi Tanaka, Kenji Koishi, Mitsurou Moriya, Yoshinari Takemura | 2004-08-17 |
| 6757391 | OPTICAL DISK, AN OPTICAL DISK BARCODE FORMING METHOD, AN OPTICAL DISK REPRODUCTION APPARATUS, A MARKING FORMING APPARATUS, A METHOD OF FORMING A LASER MARKING ON A OPTICAL DISK, AND A METHOD OF MANUFACTURING AN OPTICAL DISK | Yoshiho Gotoh, Shinichi Tanaka, Kenji Koishi, Mitsuro Moriya | 2004-06-29 |
| RE38513 | Communication system | — | 2004-05-11 |
| 6728882 | OPTICAL DISK, AN OPTICAL DISK BARCODE FORMING METHOD, AN OPTICAL DISK REPRODUCTION APPARATUS, A MARKING FORMING APPARATUS, A METHOD OF FORMING A LASER MARKING ON AN OPTICAL DISK, AND A METHOD OF MANUFACTURING AN OPTICAL DISK | Yoshiho Gotoh, Shinichi Tanaka, Kenji Koishi, Mitsuro Moriya | 2004-04-27 |
| 6728467 | Communication system | — | 2004-04-27 |
| 6724976 | Communication system | — | 2004-04-20 |
| RE38483 | Communication system | — | 2004-03-30 |
| 6674703 | Medium, apparatus, and method related to encryption resultant information | — | 2004-01-06 |