Issued Patents All Time
Showing 26–50 of 125 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9311487 | Tampering monitoring system, management device, protection control module, and detection module | Yuji Unagami, Natsume Matsuzaki, Hiroki Shizuya, Shuji Isobe, Atsushi Umeta | 2016-04-12 |
| 9270470 | Unauthorized contents detection system | Masao Nonaka, Toshihisa Nakano, Kaoru Yokota, Motoji Ohmori, Masaya Miyazaki +3 more | 2016-02-23 |
| 9270673 | Terminal device, verification device, key distribution device, content playback method, key distribution method, and computer program | Takahiro Yamaguchi, Toshihisa Nakano | 2016-02-23 |
| 9166972 | Shared information distributing device, holding device, certificate authority device, and system | Manabu Maeda, Masao Nonaka, Kaoru Yokota, Natsume Matsuzaki, Hiroki Shizuya +5 more | 2015-10-20 |
| 9165146 | Content management device and content management method | Kouji Miura, Natsume Matsuzaki, Shunji Harada, Hideki Matsushima | 2015-10-20 |
| 9138176 | Biological information measuring device and control method thereof | Hideki Matsushima, Masao Nonaka, Natsume Matsuzaki | 2015-09-22 |
| 9037863 | Terminal device, server device, content recording control system, recording method, and recording permission control method | Takahiro Yamaguchi | 2015-05-19 |
| 9021568 | Verification method for verifying validity of program, and verification system | Takahiro Yamaguchi, Natsume Matsuzaki | 2015-04-28 |
| 9003188 | Recording medium device, terminal device, distribution device, control method, and program recording medium | Takahiro Yamaguchi, Toshihisa Nakano | 2015-04-07 |
| 8972737 | Unauthorized contents detection system | Masao Nonaka, Toshihisa Nakano, Kaoru Yokota, Motoji Ohmori, Masaya Miyazaki +3 more | 2015-03-03 |
| 8972300 | Content distribution system | Masao Nonaka, Toshihisa Nakano, Motoji Ohmori, Kazukuni Kobara, Ryo Nojima +1 more | 2015-03-03 |
| 8938620 | Measurement device and method of controlling the same | Natsume Matsuzaki, Masao Nonaka | 2015-01-20 |
| 8930660 | Shared information distributing device, holding device, certificate authority device, and system | Manabu Maeda, Masao Nonaka, Kaoru Yokota, Natsume Matsuzaki, Hiroki Shizuya +5 more | 2015-01-06 |
| 8886936 | Health care system | Masao Nonaka, Natsume Matsuzaki, Hideki Matsushima | 2014-11-11 |
| 8874936 | Terminal device, verification device, key distribution device, content playback method, key distribution method, and recording medium | Takahiro Yamaguchi, Toshihisa Nakano | 2014-10-28 |
| 8800038 | Tampering monitoring system, control device, and tampering control method | Yuji Unagami, Natsume Matsuzaki, Hiroki Shizuya, Masao Sakai, Shuji Isobe +2 more | 2014-08-05 |
| 8769312 | Tampering monitoring system, protection control module, and detection module | Yuji Unagami, Natsume Matsuzaki, Hiroki Shizuya, Eisuke Koizumi, Shingo Hasegawa | 2014-07-01 |
| 8745735 | Monitoring system, program-executing device, monitoring program, recording medium and integrated circuit | Manabu Maeda, Yuji Unagami, Natsume Matsuzaki, Masao Nonaka, Hiroki Shizuya +4 more | 2014-06-03 |
| 8740698 | Game system, game execution apparatus, and portable storage medium | Toshihisa Nakano, Kaoru Yokota, Motoji Ohmori | 2014-06-03 |
| 8726374 | Tampering monitoring system, control device, and tampering control method | Yuji Unagami, Manabu Maeda, Natsume Matsuzaki, Masao Nonaka, Hiroki Shizuya +5 more | 2014-05-13 |
| 8726030 | Terminal device, server device, content recording control system, recording method, and recording permission control method | Takahiro Yamaguchi | 2014-05-13 |
| 8707430 | Tampering monitoring system, management apparatus, and management method | Yuji Unagami, Natsume Matsuzaki, Hiroki Shizuya, Masao Sakai, Shuji Isobe +2 more | 2014-04-22 |
| 8683229 | Data encryption device | Kaoru Yokota, Masao Nonaka, Natsume Matsuzaki | 2014-03-25 |
| 8683214 | Method and device that verifies application program modules | Yuji Unagami, Natsume Matsuzaki, Hiroki Shizuya, Masao Sakai, Shuji Isobe +3 more | 2014-03-25 |
| 8667291 | Unauthorized contents detection system | Masao Nonaka, Toshihisa Nakano, Kaoru Yokota, Motoji Ohmori, Masaya Miyazaki +3 more | 2014-03-04 |