Issued Patents All Time
Showing 51–75 of 105 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7263613 | Data transmission system | Tomoyuki Asano, Teruyoshi Komuro, Ryuji Ishiguro | 2007-08-28 |
| 7260719 | Information processing system, information processing method, and information processing device | Tomoyuki Asano | 2007-08-21 |
| 7249101 | Method 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 | 2007-07-24 |
| 7246095 | Method 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 | 2007-07-17 |
| 7246096 | Method 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 | 2007-07-17 |
| 7242769 | Enciphering apparatus and method, deciphering apparatus and method as well as information processing apparatus and method | Ryuji Ishiguro, Yoshio Osakabe, Makoto Sato, Hisato Shima, Tomoyuki Asano | 2007-07-10 |
| 7239702 | Information recording/reproducing device | Tomoyuki Asano, Motoki Kato | 2007-07-03 |
| 7233665 | Enciphering apparatus and method, deciphering apparatus and method as well as information processing apparatus and method | Ryuji Ishiguro, Yoshio Osakabe, Makoto Sato, Hisato Shima, Tomoyuki Asano | 2007-06-19 |
| 7225339 | Information recording/playback apparatus and method | Tomoyuki Asano, Ryuji Ishiguro, Atsushi Mitsuzawa, Tateo Oishi | 2007-05-29 |
| 7203968 | Method and apparatus for selectively executing information recording using a cognizant mode and a non-cognizant mode | Tomoyuki Asano | 2007-04-10 |
| 7181624 | Information recording/playback apparatus and method | Tomoyuki Asano, Motoki Kato | 2007-02-20 |
| 7177427 | Method and system for transferring information using an encryption mode indicator | Teroyoshi Komuro, Hisato Shima, Tomoyuki Asano | 2007-02-13 |
| 7167564 | Information processing system and method | Tomoyuki Asano, Tateo Oishi, Ryuji Ishiguro, Ryuta Taki | 2007-01-23 |
| 7134023 | Data transmission system | Tomoyuki Asano, Teruyoshi Komuro, Ryuji Ishiguro | 2006-11-07 |
| 7093128 | Information recording/reproducing apparatus and method | Tomoyuki Asano, Ryuji Ishiguro, Atsushi Mitsuzawa, Tateo Oishi, Ryuta Taki | 2006-08-15 |
| 7085930 | Data transmission system | Tomoyuki Asano, Teruyoshi Komuro, Ryuji Ishiguro | 2006-08-01 |
| 7073060 | Data transmission system | Tomoyuki Asano, Teruyoshi Komuro, Ryuji Ishiguro | 2006-07-04 |
| 7073061 | Data transmission system | Tomoyuki Asano, Teruyoshi Komuro, Ryuji Ishiguro | 2006-07-04 |
| 7065214 | Information processing apparatus, information processing method, information processing system and recording medium | Ryuji Ishiguro, Yoshio Osakabe, Makoto Sato, Hisato Shima, Tomoyuki Asano +1 more | 2006-06-20 |
| 7062785 | Method and apparatus for ciphering playback mode information for recording on record medium | Yoichiro Sako, Akira Kurihara, Isao Kawashima, Shigeyuki Yoneyama | 2006-06-13 |
| 6999587 | Information recording/reproducing system | Tomoyuki Asano | 2006-02-14 |
| 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 |