Issued Patents All Time
Showing 101–125 of 138 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7962154 | Transmitting device for transmitting contents with copyright protection | Hideaki Nakakita, Hiroshi Isozaki, Keiji Tsunoda, Kiyoshi Toshimitsu, Takeshi Saito | 2011-06-14 |
| 7823211 | License moving apparatus and program | Shinichi Matsukawa, Akihiro Kasahara, Hiroshi Suu, Kazunori Nakano, Akira Miura | 2010-10-26 |
| 7757087 | Information processing apparatus and information processing method | Hiroshi Isozaki, Takashi Kokubo | 2010-07-13 |
| 7721343 | Copyright management method, information recording/reproducing method and device, and information recording medium and method of manufacturing the medium | Tadashi Kojima, Hisashi Yamada, Atsushi Ishihara | 2010-05-18 |
| 7706664 | Apparatus, method, and program product for recording and reproducing contents | Hiroshi Isozaki, Shinichi Matsukawa, Atsushi Ishihara | 2010-04-27 |
| 7551533 | Optical disk, optical disk drive and method of playing back an optical disk | Yutaka Kashihara, Atsushi Ishihara, Yuji Nagai, Yutaka Yamanaka, Tatsunori Ide | 2009-06-23 |
| 7545943 | Apparatus, method, and computer program product for playing back content | Tooru Kamibayashi, Hiroshi Isozaki, Tatsuyuki Matsushita, Atsushi Ishihara, Yutaka Kashihara +5 more | 2009-06-09 |
| 7536727 | Content management method, recording and/or reproducing apparatus, and recording medium | Tadashi Kojima, Hisashi Yamada, Atsushi Ishihara, Kazuhiko Taira | 2009-05-19 |
| 7529935 | Information communication device, information communication system, and computer program product for transmission control | Takeshi Saito, Hiroshi Isozaki, Tatsuyuki Matsushita, Tooru Kamibayashi | 2009-05-05 |
| 7505584 | Contents management method, contents management apparatus, and recording medium | Toru Kamibayashi, Hideyuki Toma, Makoto Tatebayashi, Shunji Harada, Hisashi Yamada | 2009-03-17 |
| 7376963 | Broadcasting system, broadcasting apparatus, broadcasting method and receiving apparatus | Koji Okada | 2008-05-20 |
| 7372964 | Method and apparatus for recording information including secret information and method and apparatus for reproduction thereof | Hideki Mimura, Kouya Tochikubo, Tooru Kamibayashi, Akio Tanaka, Hisashi Yamada +1 more | 2008-05-13 |
| 7341678 | Charge-transporting varnish | Go Ono, Takuji Yoshimoto | 2008-03-11 |
| 7324822 | Wireless communication scheme with communication quality guarantee and copyright protection | Hideaki Nakakita, Hiroshi Isozaki, Keiji Tsunoda, Kiyoshi Toshimitsu, Takeshi Saito | 2008-01-29 |
| 7302573 | Computer system and method for controlling output of reproduced video data | Nakaba Kogure, Tomoo Yamakage, Hidenori Takeshima, Koichi Masukura, Atsushi Ishihara +1 more | 2007-11-27 |
| 7249305 | Signal processing method and apparatus, signal reproducing method and apparatus, and recording medium | Tadashi Kojima, Hisashi Yamada, Kouya Tochikubo, Hideki Mimura, Tooru Kamibayashi +1 more | 2007-07-24 |
| 7181008 | Contents management method, content management apparatus, and recording medium | Toru Kamibayashi, Hideyuki Toma, Makoto Tatebayashi, Shunji Harada, Hisashi Yamada | 2007-02-20 |
| 7155591 | Verifying the integrity of a media key block by storing validation data in the validation area of media | Micheal S. Ripley, Jeffrey Bruce Lotspiech, Atsushi Ishihara, Yoshihisa Fukushima | 2006-12-26 |
| 7137012 | Storage medium and contents protection method using the storage medium | Tooru Kamibayashi, Hisashi Yamada, Hiroshi Iwasaki, Masafumi Tamura, Yasuhiro Ishibashi +3 more | 2006-11-14 |
| 7065648 | Mutual authentication method, recording apparatus, reproducing apparatus, and recording medium | Tooru Kamibayashi, Hisashi Yamada, Hiroshi Iwasaki, Masafumi Tamura, Yasuhiro Ishibashi +2 more | 2006-06-20 |
| 7024204 | Wireless communication scheme with communication quality guarantee and copyright protection | Hideaki Nakakita, Hiroshi Isozaki, Keiji Tsunoda, Kiyoshi Toshimitsu, Takeshi Saito | 2006-04-04 |
| 7017100 | Signal processing method and apparatus, signal reproducing method and apparatus, and recording medium | Tadashi Kojima, Hisashi Yamada, Kouya Tochikubo, Hideki Mimura, Tooru Kamibayashi +1 more | 2006-03-21 |
| 6912634 | Verifying the integrity of a media key block by storing validation data in a validation area of media | Micheal S. Ripley, Jeffrey Bruce Lotspiech, Atsushi Ishihara, Yoshihisa Fukushima | 2005-06-28 |
| 6873585 | Playback apparatus for playing content data, recording medium readable by the playback apparatus, and producing method of the recording medium | — | 2005-03-29 |
| 6847950 | Contents managing method and contents managing apparatus | Toru Kamibayashi, Masafumi Tamura, Yasuhiro Ishibashi, Hisashi Yamada, Hideyuki Toma | 2005-01-25 |