Issued Patents All Time
Showing 1–25 of 69 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8824873 | Optical disk for high resolution and general video recording, optical disk reproduction apparatus, optical disk recording apparatus, and reproduction control information generation apparatus | Mitsuaki Oshima, Hiromu Kitaura, Hideki Fukuda | 2014-09-02 |
| 8654861 | Optical disk for high resolution and three-dimensional video recording, optical disk reproduction apparatus and optical disk recording apparatus | Mitsuaki Oshima, Hiromu Kitaura, Hideki Fukuda, Toshiyuki Kawara | 2014-02-18 |
| 8467456 | Optical disk for high resolution and three-dimensional video recording, optical disk reproduction apparatus and optical disk recording apparatus | Mitsuaki Oshima, Hiromu Kitaura, Hideki Fukuda, Toshiyuki Kawara | 2013-06-18 |
| 8467455 | Optical disk for high resolution and three-dimensional video recording, optical disk reproduction apparatus and optical disk recording apparatus | Mitsuaki Oshima, Hiromu Kitaura, Hideki Fukuda, Toshiyuki Kawara | 2013-06-18 |
| 8442112 | Optical disk for high resolution and three-dimensional video recording, optical disk reproduction apparatus and optical disk recording apparatus | Mitsuaki Oshima, Hiromu Kitaura, Hideki Fukuda, Toshiyuki Kawara | 2013-05-14 |
| 8441519 | Optical disk for high resolution and three-dimensional video recording, optical disk reproduction apparatus and optical disk recording apparatus | Mitsuaki Oshima, Hiromu Kitaura, Hideki Fukuda, Toshiyuki Kawara | 2013-05-14 |
| 8428425 | Optical disk for high resolution and general video recording, optical disk reproduction apparatus, optical disk recording apparatus, and reproduction control information generation apparatus | Mitsuaki Oshima, Hiromu Kitaura, Hideki Fukuda | 2013-04-23 |
| 8369688 | Information burying device and detecting device | Toshihisa Nakano, Shunji Harada, Masaya Yamamoto, Kaoru Murase, Tomoki Ogawa +1 more | 2013-02-05 |
| 8311387 | Optical disk for high resolution and general video recording, optical disk reproduction apparatus, optical disk recording apparatus, and reproduction control information generation apparatus | Mitsuaki Oshima, Hiromu Kitaura, Hideki Fukuda | 2012-11-13 |
| 8275998 | Encryption device, key distribution device and key distribution system | Toshihisa Nakano, Makoto Tatebayashi | 2012-09-25 |
| 8270802 | Optical disk for high resolution and general video recording, optical disk reproduction apparatus, optical disk recording apparatus, and reproduction control information generation apparatus | Mitsuaki Oshima, Hiromu Kitaura, Hideki Fukuda | 2012-09-18 |
| 8160420 | Optical disk for high resolution and general video recording, optical disk reproduction apparatus, optical disk recording apparatus, and reproduction control information generation apparatus | Mitsuaki Oshima, Hiromu Kitaura, Hideki Fukuda | 2012-04-17 |
| 8155500 | Optical disk for high resolution and general video recording, optical disk reproduction apparatus, optical disk recording apparatus, and reproduction control information generation apparatus | Mitsuaki Oshima, Hiromu Kitaura, Hideki Fukuda | 2012-04-10 |
| 8144869 | Content protection system, key data generation apparatus, and terminal apparatus | Toshihisa Nakano, Motoji Ohmori, Natsume Matsuzaki, Makoto Tatebayashi, Naoki Yamamoto | 2012-03-27 |
| 8140675 | Content reproduction apparatus | Kaoru Yokota, Motoji Ohmori, Koichi Morioka, Makoto Tatebayashi | 2012-03-20 |
| 8107794 | Optical disk for high resolution and general video recording, optical disk reproduction apparatus, optical disk recording apparatus, and reproduction control information generation apparatus | Mitsuaki Oshima, Hiromu Kitaura, Hideki Fukuda | 2012-01-31 |
| 8031869 | Information recording medium, usage management method, and usage management apparatus | Masaru Yamaoka, Takashi Yumiba, Takahiro Nagai | 2011-10-04 |
| 7979915 | Recording device, replay device, integrated circuit, and control program | Toshihisa Nakano, Kenji Muraki, Masayuki Kozuka | 2011-07-12 |
| 7975206 | Information recording device and method, information reproducing device and method, recording medium, program, and disc recording medium | Shoei Kobayashi, Susumu Senshu, Tamotsu Yamagami, Makoto Usui, Mitsurou Moriya +3 more | 2011-07-05 |
| 7865716 | Encryption device, key distribution device and key distribution system | Toshihisa Nakano, Makoto Tatebayashi | 2011-01-04 |
| 7861142 | Information recording disc, recording and/or reproducing device and method | Shoei Kobayashi, Susumu Senshu, Tamotsu Yamagami, Makoto Usui, Mitsurou Moriya +3 more | 2010-12-28 |
| 7831831 | Authentication communication system, authentication communication apparatus, and authentication communication method | Motoji Ohmori, Toshihisa Nakano, Takahiro Nagai, Makoto Tatebayashi | 2010-11-09 |
| 7698622 | Information recording device and method, information reproducing device and method, recording medium, program, and disc recording medium | Shoei Kobayashi, Susumu Senshu, Tamotsu Yamagami, Makoto Usui, Mitsurou Moriya +3 more | 2010-04-13 |
| 7657739 | Authentication system | Toshihisa Nakano, Makoto Tatebayashi | 2010-02-02 |
| 7647646 | Information input/output system, key management device, and user device | Toshihisa Nakano, Motoji Ohmori, Makoto Tatebayashi | 2010-01-12 |