Issued Patents All Time
Showing 1–25 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9363578 | Communication system, communication device, communication method, and computer program | Toshiharu Fukui, Takehiko Nakano, Atsuko Ogasawara | 2016-06-07 |
| RE43854 | Copy control for a video signal with copyright signals superimposed as predetermined bits in the VBID data of the video signal | Keiji Kanota, Tadashi Ezaki, Satoshi Tsuchiya | 2012-12-11 |
| RE43520 | Copy control, for a video signal with copyright signals superimposed as predetermined bits in the VBID data of the video signal | Keiji Kanota, Tadashi Ezaki, Satoshi Tsuchiya | 2012-07-17 |
| 8151071 | Copy protection apparatus and method | Masaya Otsuka | 2012-04-03 |
| RE43240 | Copy control for a video signal with copyright signals superimposed as predetermined bits in the VBID data of the video signal | Keiji Kanota, Tadashi Ezaki, Satoshi Tsuchiya | 2012-03-13 |
| 7987515 | Electronic transmission device, and signal transmission method | — | 2011-07-26 |
| 7954162 | Transmitter, signal transfer method, data distribution system and method of same, data receiver, data provider and method of same, and data transferer | Asako Fujii | 2011-05-31 |
| 7917960 | Transmitter, signal transfer method, data distribution system and method of same, data receiver, data provider and method of same, and data transferer | Asako Fujii | 2011-03-29 |
| 7672568 | Outputting apparatus, outputting method, recording apparatus, recording method, reproduction apparatus, reproduction method and recording medium | Masaya Otsuka | 2010-03-02 |
| 7548887 | Information-signal playback system, information-signal reading apparatus, information-signal processing apparatus, information-signal playback method, information-signal reading method and information-signal processing apparatus | Akira Ogino, Yuji Kimura, Tadashi Ezaki | 2009-06-16 |
| 7418735 | Transmitter, signal transmitting method, and data distributing system for transferring a content signal or processing copyright protection on a content signal | Asako Fujii | 2008-08-26 |
| 7391685 | Method for limited recording of an information signal, system for controlled recording of an information signal, and information signal recording apparatus | Masaya Otsuka | 2008-06-24 |
| 7392389 | Electronic transmission device, and signal transmission method | — | 2008-06-24 |
| 7263274 | Recording medium cartridge with memory circuit employing a hierarchical data structure | Harumi Kawamura, Hisato Shima, Kazuyuki Ogawa | 2007-08-28 |
| 7263273 | Recording medium cartridge with memory circuit employing a hierarchical data structure | Harumi Kawamura, Hisato Shima, Kazuyuki Ogawa | 2007-08-28 |
| 7248784 | Signal conversion apparatus and method | Asako Fujii, Jun Hirai | 2007-07-24 |
| 7240206 | Information signal copy managing method, information signal recording method, information signal output apparatus, and recording medium | Masaya Otsuka | 2007-07-03 |
| 7231042 | Signal transmission apparatus and signal transmission method | Noriko Ninoseki | 2007-06-12 |
| 7159089 | Outputting apparatus, outputting method, recording apparatus, recording method, reproduction apparatus, reproduction method and recording medium | Masaya Otsuka | 2007-01-02 |
| 7031942 | Information signal reproducing apparatus, information signal outputting apparatus, information signal reproducing method, and information signal outputting method | Akira Ogino, Yuji Kimura, Tadashi Ezaki | 2006-04-18 |
| 7003664 | Signal recording medium, content signal generation apparatus, content signal reproduction method, and content signal reproduction apparatus | — | 2006-02-21 |
| 6963968 | Signal transmission device and method | — | 2005-11-08 |
| 6922520 | Recording medium cartridge with memory circuit employing a hierarchical data structure | Harumi Kawahura, Hisato Shima | 2005-07-26 |
| 6859536 | Video-signal output apparatus and video-signal input apparatus | — | 2005-02-22 |
| 6836844 | Information signal copy managing method, information signal recording method, information signal output apparatus, and recording medium | Masaya Otsuka | 2004-12-28 |