Issued Patents All Time
Showing 25 most recent of 80 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9467287 | 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 | 2016-10-11 |
| 9049009 | Data transmission system | Tomoyuki Asano, Yoshitomo Osawa, Teruyoshi Komuro | 2015-06-02 |
| 8923511 | 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 | 2014-12-30 |
| 8594325 | 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 | 2013-11-26 |
| 8544108 | Copyright protection storage medium, information recording apparatus and information recording method, and information playback apparatus and information playback method | Yoji Kawamoto, Norifumi Goto | 2013-09-24 |
| 8464356 | Personal library on net | — | 2013-06-11 |
| 8422675 | Data transmission system | Tomoyuki Asano, Yoshitomo Osawa, Teruyoshi Komuro | 2013-04-16 |
| 8352374 | Article of manufacture for controlling the use of content by providing for the delegation of rendering rights | Eric Swenson, Motohiko Nagano, Pierre Chavanne | 2013-01-08 |
| 8325919 | Streaming system for distributing encrypted compressed image data, and streaming method therefor | Keiko Tada, Motomasa Futagami | 2012-12-04 |
| 8325918 | Streaming system for distributing encrypted compressed image data, and streaming method therefor | Keiko Tada, Motomasa Futagami | 2012-12-04 |
| 8170206 | 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 | 2012-05-01 |
| 8042192 | Information processing apparatus, information processing method, recording medium, and program | Yoji Kawamoto, Yuichi Ezura, Motohiko Nagano | 2011-10-18 |
| 8005214 | Data transmission system | Tomoyuki Asano, Yoshitomo Osawa, Teruyoshi Komuro | 2011-08-23 |
| 7958366 | Information processing system | Itaru Kawakami, Mitsuru Tanabe, Yuichi Ezura, Hirokazu Kawahara | 2011-06-07 |
| 7957537 | Information processing system and method using encryption key block | Yoshimichi Kitaya, Yoshitomo Osawa, Tomoyuki Asano | 2011-06-07 |
| 7913315 | Recording apparatus that records information for protecting intangible property right, recording method thereof, record medium thereof, and program thereof | Toshihiro Ishizaka, Makoto Yamada | 2011-03-22 |
| 7860248 | 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 | 2010-12-28 |
| 7861313 | Information managing apparatus and method, recording medium, and program | Yoji Kawamoto, Yuichi Ezura, Motohiko Nagano | 2010-12-28 |
| 7801819 | Rendering rights delegation system and method | Eric Swenson, Motohiko Nagano, Pierre Chavanne | 2010-09-21 |
| 7765604 | Information processing method, information processing apparatus and recording medium | Koichi Tanaka, Itaru Kawakami, Yoshisuke Kuroda | 2010-07-27 |
| 7738662 | Information processing system and method | Tomoyuki Asano, Yoshitomo Osawa, Tateo Oishi, Ryuta Taki | 2010-06-15 |
| 7730345 | Contents furnishing system | Itaru Kawakami, Mitsuru Tanabe, Yuichi Ezura, Ichiro Sato, Munetake Ebihara | 2010-06-01 |
| 7707410 | Information processing system and method | Yoshitomo Osawa, Tateo Oishi, Tomoyuki Asano, Atsushi Mitsuzawa | 2010-04-27 |
| 7587597 | Data transmission system | Tomoyuki Asano, Yoshitomo Osawa, Teruyoshi Komuro | 2009-09-08 |
| 7584288 | Information-processing device, information-processing method, recording medium, and program | Munetake Ebihara, Itaru Kawakami, Mitsuru Tanabe, Yuichi Ezura, Ichiro Sato | 2009-09-01 |