Issued Patents 2011
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8074284 | Device provided with rewritable circuit, updating system, updating method, updating program and integrated circuit | Natsume Matsuzaki | 2011-12-06 |
| 8065498 | Backup system, recording/reproduction device, backup device, backup method, program, and integrated circuit | Yoshikatsu Ito, Shunji Harada, Yuko Tsusaka, Soichiro Fujioka, Motoji Ohmori | 2011-11-22 |
| 8051284 | Encryption communications system | Motoji Omori, Makoto Tatebayashi | 2011-11-01 |
| 8048174 | Theft prevention system | Masato Yamamichi, Satomi Yamamichi, Keiko Yamamichi, Kaoru Yokota, Motoji Ohmori +2 more | 2011-11-01 |
| 8031180 | Touch sensor, display with touch sensor, and method for generating position data | Saburo Miyamoto | 2011-10-04 |
| 7991155 | Backup management device, backup management method, computer program, recording medium, integrated circuit, and backup system | Soichiro Fujioka, Shunji Harada, Yoshikatsu Ito, Yuko Tsusaka, Motoji Ohmori | 2011-08-02 |
| 7984489 | Device registration system and device registration apparatus | Natsume Matsuzaki, Masaya Miyazaki, Yuichi Futa, Hiroki Yamauchi, Soichiro Fujioka +1 more | 2011-07-19 |
| 7979915 | Recording device, replay device, integrated circuit, and control program | Hideshi Ishihara, Kenji Muraki, Masayuki Kozuka | 2011-07-12 |
| 7979731 | Time authentication device, time authentication method, computer program, recording medium, integrated circuit, and time authentication system | Yuichi Futa, Natsume Matsuzaki, Hiroki Yamauchi | 2011-07-12 |
| 7974926 | Content use system, information terminal, and settlement system | Motoji Ohmori, Masaya Miyazaki, Yoshikatsu Ito, Masaya Yamamoto, Osamu Sasaki +1 more | 2011-07-05 |
| 7958353 | Information security device | Natsume Matsuzaki, Shinichi Marui | 2011-06-07 |
| 7949703 | Group admission system and server and client therefor | Natsume Matsuzaki, Yuichi Futa | 2011-05-24 |
| 7933409 | Content playback device | Masaya Yamamoto, Motoji Ohmori, Masayuki Kozuka | 2011-04-26 |
| 7925893 | Copyright protection system, modular exponentiation operation apparatus, and modular exponentiation operation method | Attrapadung Nuttapong, Kazukuni Kobara, Hideki Imai | 2011-04-12 |
| 7912789 | Electronic value, electronic purse device, and system for using the same | Motoji Ohmori | 2011-03-22 |
| 7898570 | Digital camera system with means for restricting image acquisition | Kaoru Yokota, Yuichi Futa, Motoji Ohmori, Shuichi Ohki | 2011-03-01 |
| 7900062 | Unauthorized contents detection system | Masao Nonaka, Yuichi Futa, Kaoru Yokota, Motoji Ohmori, Masaya Miyazaki +3 more | 2011-03-01 |
| 7889863 | Recording device, recording medium, and content protection system | Shunji Harada, Yoshikatsu Ito, Kaoru Yokota, Motoji Ohmori, Jun Takahashi | 2011-02-15 |
| 7865716 | Encryption device, key distribution device and key distribution system | Hideshi Ishihara, Makoto Tatebayashi | 2011-01-04 |