Issued Patents All Time
Showing 51–75 of 125 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8601590 | Content distribution system | Toshihisa Nakano, Masao Nonaka, Motoji Ohmori, Ryo Nojima, Kazukuni Kobara +1 more | 2013-12-03 |
| 8600896 | Software updating apparatus, software updating system, invalidation method, and invalidation program | Manabu Maeda, Natsume Matsuzaki, Kaoru Yokota, Masao Nonaka, Yuji Unagami +6 more | 2013-12-03 |
| 8555089 | Program execution apparatus, control method, control program, and integrated circuit | Takayuki Ito, Manabu Maeda, Tomoyuki Haga, Hideki Matsushima, Kouji Kobayashi | 2013-10-08 |
| 8544093 | Illegal module identifying device, information processing device, illegal module identifying method, illegal module identifying program, integrated circuit, illegal module disabling system, and illegal module disabling method | Yuji Unagami, Manabu Maeda, Natsume Matsuzaki, Masao Nonaka, Hiroki Shizuya +5 more | 2013-09-24 |
| 8516574 | Software update system, management apparatus, recording medium, and integrated circuit | Yuji Unagami, Manabu Maeda, Natsume Matsuzaki, Masao Nonaka, Hiroki Shizuya +4 more | 2013-08-20 |
| 8510608 | Generating PUF error correcting code using redundant hardware | Kaoru Yokota, Masao Nonaka, Manabu Maeda, Natsume Matsuzaki | 2013-08-13 |
| 8489873 | Migration apparatus, method and system for transferring data protected within a first terminal device to a second terminal device | Hideki Matsushima, Hisashi Takayama, Takayuki Ito, Tomoyuki Haga, Taichi Sato | 2013-07-16 |
| 8484485 | Encryption device and encryption system | Masao Nonaka, Kaoru Yokota, Natsume Matsuzaki | 2013-07-09 |
| 8479018 | System for making program difficult to read, device for making program difficult to read, and method for making program difficult to read | Taichi Sato, Rieko Asai, Motoji Ohmori, Masahiro Mambo | 2013-07-02 |
| 8464347 | Software updating apparatus, software updating system, alteration verification method and alteration verification program | Manabu Maeda, Natsume Matsuzaki, Kaoru Yokota, Masao Nonaka, Yuji Unagami +6 more | 2013-06-11 |
| 8464043 | Information security device and information security system | Hideki Matsushima, Hisashi Takayama, Takayuki Ito, Tomoyuki Haga, Taichi Sato | 2013-06-11 |
| 8452975 | Signature and verification method, signature generation device, and signature verification device | Hiroki Shizuya, Shuji Isobe, Shingo Hasegawa | 2013-05-28 |
| 8448259 | Content reproduction device, content reproduction device control method, content reproduction program, recording medium, and integrated circuit | Tomoyuki Haga, Yoshikatsu Ito, Hideki Matsushima, Takayuki Ito | 2013-05-21 |
| 8418256 | Memory control apparatus, content playback apparatus, control method and recording medium | Tomoyuki Haga, Takayuki Ito, Hideki Matsushima, Yoshikatsu Ito | 2013-04-09 |
| 8386606 | Group formation/management system, group management device, and member device | Natsume Matsuzaki, Toshihisa Abe, Toshihisa Nakano, Masaya Miyazaki | 2013-02-26 |
| 8356170 | Management-apparatus card, measuring apparatus, health care system, and method for communicating vital sign data | Natsume Matsuzaki, Kaoru Yokota, Masao Nonaka, Shunji Harada | 2013-01-15 |
| 8347091 | Authenticator apparatus | Masao Nonaka, Natsume Matsuzaki, Yoshikatsu Ito, Kaoru Yokota, Manabu Maeda | 2013-01-01 |
| 8312297 | Program illegiblizing device and method | Taichi Sato, Motoji Ohmori, Rieko Asai, Tomoyuki Haga, Masahiro Mambo | 2012-11-13 |
| 8280039 | Signature generating device, signature generating method and signature generating program | Motoji Ohmori, Masahiro Mambo | 2012-10-02 |
| 8265267 | Information security device | Masao Nonaka, Natsume Matsuzaki | 2012-09-11 |
| 8261084 | Unauthorized contents detection system | Masao Nonaka, Toshihisa Nakano, Kaoru Yokota, Motoji Ohmori, Masaya Miyazaki +3 more | 2012-09-04 |
| 8223972 | Method and device for speeding up key use in key management software with tree structure | Takayuki Ito, Hideki Matsushima, Hisashi Takayama, Tomoyuki Haga, Manabu Maeda | 2012-07-17 |
| 8220064 | Content management system and content management unit | Hiroki Yamauchi, Natsume Matsuzaki, Toshihisa Nakano | 2012-07-10 |
| 8184805 | Program converter, encrypting device, and encrypting method | Kaoru Yokota, Motoji Ohmori | 2012-05-22 |
| 8180060 | Telemedical system | Kazuhiro Aizu, Yosuke Tajika, Daisuke Kobayashi, Hiromichi Nishiyama, Masao Nonaka +2 more | 2012-05-15 |