Issued Patents All Time
Showing 51–75 of 80 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7242769 | Enciphering apparatus and method, deciphering apparatus and method as well as information processing apparatus and method | Yoshitomo Osawa, Yoshio Osakabe, Makoto Sato, Hisato Shima, Tomoyuki Asano | 2007-07-10 |
| 7237112 | Information processing system | Itaru Kawakami, Mitsuru Tanabe, Yuichi Ezura, Hirokazu Kawahara | 2007-06-26 |
| 7233665 | Enciphering apparatus and method, deciphering apparatus and method as well as information processing apparatus and method | Yoshitomo Osawa, Yoshio Osakabe, Makoto Sato, Hisato Shima, Tomoyuki Asano | 2007-06-19 |
| 7224804 | Information processing device, information processing method, and program storage medium | Tomoyuki Asano | 2007-05-29 |
| 7225339 | Information recording/playback apparatus and method | Tomoyuki Asano, Yoshitomo Osawa, Atsushi Mitsuzawa, Tateo Oishi | 2007-05-29 |
| 7216368 | Information processing apparatus for watermarking digital content | — | 2007-05-08 |
| 7213164 | Contents furnishing system | Itaru Kawakami, Mitsuru Tanabe, Yuichi Ezura, Ichiro Sato, Munetake Ebihara | 2007-05-01 |
| 7167564 | Information processing system and method | Tomoyuki Asano, Yoshitomo Osawa, Tateo Oishi, Ryuta Taki | 2007-01-23 |
| 7143445 | Information processing apparatus, information processing method, and program storage medium | Takumi Okaue, Tateo Ooishi | 2006-11-28 |
| 7134023 | Data transmission system | Tomoyuki Asano, Yoshitomo Osawa, Teruyoshi Komuro | 2006-11-07 |
| 7131010 | Data processing system, data processing method, data processing apparatus, and program providing medium | Takumi Okaue | 2006-10-31 |
| 7093128 | Information recording/reproducing apparatus and method | Tomoyuki Asano, Yoshitomo Osawa, Atsushi Mitsuzawa, Tateo Oishi, Ryuta Taki | 2006-08-15 |
| 7085930 | Data transmission system | Tomoyuki Asano, Yoshitomo Osawa, Teruyoshi Komuro | 2006-08-01 |
| 7073061 | Data transmission system | Tomoyuki Asano, Yoshitomo Osawa, Teruyoshi Komuro | 2006-07-04 |
| 7073060 | Data transmission system | Tomoyuki Asano, Yoshitomo Osawa, Teruyoshi Komuro | 2006-07-04 |
| 7065214 | Information processing apparatus, information processing method, information processing system and recording medium | Yoshitomo Osawa, Yoshio Osakabe, Makoto Sato, Hisato Shima, Tomoyuki Asano +1 more | 2006-06-20 |
| 7010124 | Location dependent key for decrypting copy protected material on a recording medium | Masafumi Minami | 2006-03-07 |
| 6975726 | Data transmission system | Tomoyuki Asano, Yoshitomo Osawa, Teruyoshi Komuro | 2005-12-13 |
| 6944763 | Data transmission system | Tomoyuki Asano, Yoshitomo Osawa, Teruyoshi Komuro | 2005-09-13 |
| 6934463 | Information processing apparatus, information processing method, information processing system and recording medium | Yoshitomo Osawa, Yoshio Osakabe, Makoto Sato, Hisato Shima, Tomoyuki Asano +1 more | 2005-08-23 |
| 6911974 | Information processing system and method | Tomoyuki Asano, Yoshitomo Osawa, Tateo Oishi, Ryuta Taki | 2005-06-28 |
| 6807641 | Content provider system | Itaru Kawakami, Mitsuru Tanabe, Yuichi Ezura, Ichiro Sato, Munetake Ebihara | 2004-10-19 |
| 6792539 | Processing method and apparatus for encrypted data transfer | Tateo Oishi, Takumi Okaue, Nobuyuki Kihara, Teppei Yokota | 2004-09-14 |
| 6697945 | Information processing apparatus, information processing method, information processing system and recording medium | Yoshitomo Osawa, Yoshio Osakabe, Makoto Sato, Hisato Shima, Tomoyuki Asano +1 more | 2004-02-24 |
| 6539094 | Data transmission apparatus and method, data receiving apparatus and method, and data transmitting/receiving system and method | Yoshio Osakabe, Makoto Sato, Yoshitomo Osawa, Tomoyuki Asano, Hisato Shima | 2003-03-25 |