Issued Patents All Time
Showing 101–125 of 174 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8607052 | Management apparatus and copying apparatus | Masataka Minami, Masaya Yamamoto, Takahiro Yamaguchi, Kaoru Murase | 2013-12-10 |
| 8601590 | Content distribution system | Masao Nonaka, Yuichi Futa, Motoji Ohmori, Ryo Nojima, Kazukuni Kobara +1 more | 2013-12-03 |
| 8474049 | Verification method, information processing device, recording medium, verification system, certification program, and verification program | Senichi Onoda, Masaya Yamamoto, Kaoru Murase, Masayuki Kozuka, Takashi Yamanishi +4 more | 2013-06-25 |
| 8452985 | Circuit building device | Natsume Matsuzaki, Shinichi Marui | 2013-05-28 |
| 8428435 | Content use device and recording medium | Masaya Yamamoto, Ryuichi Okamoto, Motoji Ohmori | 2013-04-23 |
| 8416953 | Data protection system that protects data by encrypting the data | Motoji Ohmori, Natsume Matsuzaki, Makoto Tatebayashi | 2013-04-09 |
| 8395595 | Touch sensor, display device with touch sensor, and method of generating location data | Saburo Miyamoto | 2013-03-12 |
| 8391110 | Playback device, recording medium, playback method and program | Keiichi Tanaka, Hidetaka Oto, Takahiro Yamaguchi | 2013-03-05 |
| 8386606 | Group formation/management system, group management device, and member device | Natsume Matsuzaki, Toshihisa Abe, Yuichi Futa, Masaya Miyazaki | 2013-02-26 |
| 8369688 | Information burying device and detecting device | Shunji Harada, Masaya Yamamoto, Kaoru Murase, Tomoki Ogawa, Ryoji Suzuki +1 more | 2013-02-05 |
| 8364597 | Recording device, server device, recording method, recording medium with computer program recorded therein and integrated circuit | Sanzo Ugawa, Masaya Yamamoto, Shunji Harada | 2013-01-29 |
| 8281362 | Verification method, verification program, recording medium, information processor, and integrated circuit | Minehisa Nagata, Senichi Onoda, Masaya Yamamoto, Kaoru Murase, Masayuki Kozuka +6 more | 2012-10-02 |
| 8275998 | Encryption device, key distribution device and key distribution system | Hideshi Ishihara, Makoto Tatebayashi | 2012-09-25 |
| 8274481 | Display device with touch sensor, and drive method for the device | Tomohiko Nishimura, Saburoh Miyamoto, Hiroshi Hamada, Takeshi Yamaguchi | 2012-09-25 |
| 8261084 | Unauthorized contents detection system | Masao Nonaka, Yuichi Futa, Kaoru Yokota, Motoji Ohmori, Masaya Miyazaki +3 more | 2012-09-04 |
| 8250664 | Copyright protection data processing system and reproduction device | Takahiro Yamaguchi, Masaya Yamamoto, Sanzo Ugawa, Kaoru Murase | 2012-08-21 |
| 8228781 | Recording medium, data recording apparatus, data reproducing apparatus and data recording method | Senichi Onoda, Masayuki Kozuka | 2012-07-24 |
| 8220064 | Content management system and content management unit | Hiroki Yamauchi, Natsume Matsuzaki, Yuichi Futa | 2012-07-10 |
| 8189773 | Circuit updating system | Natsume Matsuzaki, Shinichi Marui | 2012-05-29 |
| 8180059 | Management apparatus, terminal apparatus, and copyright protection system | Nuttapong Attrapadung, Kazukuni Kobara, Hideki Imai | 2012-05-15 |
| 8171566 | Copyright protection data processing system and reproduction device | Kaoru Murase | 2012-05-01 |
| 8144869 | Content protection system, key data generation apparatus, and terminal apparatus | Motoji Ohmori, Natsume Matsuzaki, Makoto Tatebayashi, Naoki Yamamoto, Hideshi Ishihara | 2012-03-27 |
| 8132024 | Digital work protection system, recording apparatus, reproduction apparatus, and recording medium | Masato Yamamichi, Yuichi Futa, Motoji Ohmori, Makoto Tatebayashi, Shunji Harada +1 more | 2012-03-06 |
| 8116452 | Content playback device | Masaya Yamamoto, Motoji Ohmori, Masayuki Kozuka | 2012-02-14 |
| 8090239 | Identification-information recording system, management unit, recording unit and recording control circuit | Masaru Yamaoka, Makoto Usui | 2012-01-03 |