Issued Patents 2005
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6978377 | Copy protection using detailed copy control information | Tomoyuki Asano, Teruyoshi Komuro, Ichiro Hamada | 2005-12-20 |
| 6975726 | Data transmission system | Tomoyuki Asano, Teruyoshi Komuro, Ryuji Ishiguro | 2005-12-13 |
| 6944297 | Method and apparatus for reproducing ciphered data | Yoichiro Sako, Isao Kawashima, Akira Kurihara, Hideo Owa | 2005-09-13 |
| 6944763 | Data transmission system | Tomoyuki Asano, Teruyoshi Komuro, Ryuji Ishiguro | 2005-09-13 |
| 6934463 | Information processing apparatus, information processing method, information processing system and recording medium | Ryuji Ishiguro, Yoshio Osakabe, Makoto Sato, Hisato Shima, Tomoyuki Asano +1 more | 2005-08-23 |
| 6911974 | Information processing system and method | Tomoyuki Asano, Tateo Oishi, Ryuji Ishiguro, Ryuta Taki | 2005-06-28 |
| 6882987 | Methods and apparatus for transmitting and receiving a decoding key encoded with specific information to decode encrypted information of a record medium | Yoichiro Sako, Akira Kurihara, Isao Kawashima, Hideo Owa | 2005-04-19 |