Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11457000 | Information intermediating apparatus, information providing apparatus, and information acquiring apparatus | Tsuneo Nakata, Naoki Iwata, Masao Sakai, Masayuki Fukumitsu, Shuji Isobe +2 more | 2022-09-27 |
| 11329819 | Information processing system, method for changing public key, program, and method for building information processing system | Masao Sakai, Junya Iwazaki, Eisuke Koizumi, Shuji Isobe, Masayuki Fukumitsu | 2022-05-10 |
| 10574455 | Information processing system, information processing apparatus, method for information processing, and non-transitory computer-readable recording medium having stored therein information processing program | Junya Iwazaki, Masao Sakai, Daiki Takahashi, Masayuki Fukumitsu | 2020-02-25 |
| 9594909 | Software updating apparatus, software updating system, invalidation method, and invalidation program | Manabu Maeda, Yuichi Futa, Natsume Matsuzaki, Kaoru Yokota, Masao Nonaka +6 more | 2017-03-14 |
| 9166972 | Shared information distributing device, holding device, certificate authority device, and system | Manabu Maeda, Masao Nonaka, Yuichi Futa, Kaoru Yokota, Natsume Matsuzaki +5 more | 2015-10-20 |
| 8930660 | Shared information distributing device, holding device, certificate authority device, and system | Manabu Maeda, Masao Nonaka, Yuichi Futa, Kaoru Yokota, Natsume Matsuzaki +5 more | 2015-01-06 |
| 8800038 | Tampering monitoring system, control device, and tampering control method | Yuichi Futa, Yuji Unagami, Natsume Matsuzaki, Hiroki Shizuya, Masao Sakai +2 more | 2014-08-05 |
| 8769312 | Tampering monitoring system, protection control module, and detection module | Yuji Unagami, Yuichi Futa, Natsume Matsuzaki, Hiroki Shizuya, Eisuke Koizumi | 2014-07-01 |
| 8745735 | Monitoring system, program-executing device, monitoring program, recording medium and integrated circuit | Manabu Maeda, Yuji Unagami, Yuichi Futa, Natsume Matsuzaki, Masao Nonaka +4 more | 2014-06-03 |
| 8726374 | Tampering monitoring system, control device, and tampering control method | Yuji Unagami, Manabu Maeda, Yuichi Futa, Natsume Matsuzaki, Masao Nonaka +5 more | 2014-05-13 |
| 8707430 | Tampering monitoring system, management apparatus, and management method | Yuji Unagami, Yuichi Futa, Natsume Matsuzaki, Hiroki Shizuya, Masao Sakai +2 more | 2014-04-22 |
| 8683214 | Method and device that verifies application program modules | Yuji Unagami, Yuichi Futa, Natsume Matsuzaki, Hiroki Shizuya, Masao Sakai +3 more | 2014-03-25 |
| 8600896 | Software updating apparatus, software updating system, invalidation method, and invalidation program | Manabu Maeda, Yuichi Futa, Natsume Matsuzaki, Kaoru Yokota, Masao Nonaka +6 more | 2013-12-03 |
| 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, Yuichi Futa, Natsume Matsuzaki, Masao Nonaka +5 more | 2013-09-24 |
| 8516574 | Software update system, management apparatus, recording medium, and integrated circuit | Yuji Unagami, Manabu Maeda, Yuichi Futa, Natsume Matsuzaki, Masao Nonaka +4 more | 2013-08-20 |
| 8464347 | Software updating apparatus, software updating system, alteration verification method and alteration verification program | Manabu Maeda, Yuichi Futa, Natsume Matsuzaki, Kaoru Yokota, Masao Nonaka +6 more | 2013-06-11 |
| 8452975 | Signature and verification method, signature generation device, and signature verification device | Yuichi Futa, Hiroki Shizuya, Shuji Isobe | 2013-05-28 |
| 7917764 | Signature generation device and signature verification device | Yuichi Futa, Shuji Isobe, Motoji Ohmori, Hiroki Shizuya | 2011-03-29 |
| 7792286 | Signature generation device and signature verification device | Yuichi Futa, Shuji Isobe, Motoji Ohmori, Hiroki Shizuya | 2010-09-07 |
| 7739504 | Signature generation apparatus and signature verification apparatus | Yuichi Futa, Shuji Isobe, Motoji Ohmori, Hiroki Shizuya | 2010-06-15 |
| 7664260 | Signature generation device, key generation device, and signature generation method | Yuichi Futa, Shuji Isobe, Motoji Ohmori, Hiroki Shizuya | 2010-02-16 |