Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9372995 | Vulnerability countermeasure device and vulnerability countermeasure method | Tomohiro SHIGEMOTO, Hirofumi Nakakoji, Tetsuro Kito, Hisashi Umeki, Satoshi Takemoto +1 more | 2016-06-21 |
| 8516245 | Method, product and apparatus for accelerating public-key certificate validation | Yoko Kumagai, Takahiro Fujishiro, Shingo Hane, Hitoshi Shimonosono | 2013-08-20 |
| 8402524 | ID bridge service system and method thereof | Naoki Hayashi, Akifumi Yato, Shinichi Irube | 2013-03-19 |
| 8238555 | Management server, communication apparatus and program implementing key allocation system for encrypted communication | Osamu Takata, Takahiro Fujishiro, Kazuyoshi Hoshino | 2012-08-07 |
| 8218769 | Encrypted communication system, communication status management server, encrypted communication method, and communication status management method | Osamu Takata, Takahiro Fujishiro, Kazuyoshi Hoshino, Keisuke Takeuchi | 2012-07-10 |
| 8205074 | Data communication method and data communication system | Kazuyoshi Hoshino, Keisuke Takeuchi, Osamu Takata, Takahiro Fujishiro | 2012-06-19 |
| 8095676 | Mediating system and method to establish communication session, allowing private information to be protected | Osamu Takata, Takahiro Fujishiro, Kazuyoshi Hoshino | 2012-01-10 |
| 8094337 | Device and system for assisting printer selection through a network | Yoko Hashimoto, Takahiro Fujishiro, Akifumi Yato, Kazuyoshi Hoshino | 2012-01-10 |
| 8081758 | Communication support server, communication support method, and communication support system | Osamu Takata, Takahiro Fujishiro, Kazuyoshi Hoshino | 2011-12-20 |
| 8041822 | Service network system and server device | Kazuyoshi Hoshino, Osamu Takata, Takahiro Fujishiro, Kohei Sawada | 2011-10-18 |
| 8019996 | Method for encrypted communication with a computer system and system therefor | Yoko Hashimoto, Takahiro Fujishiro, Osamu Takata, Kazuyoshi Hoshino | 2011-09-13 |
| 8010793 | Data communication method and system | Kazuyoshi Hoshino, Keisuke Takeuchi, Osamu Takata, Takahiro Fujishiro | 2011-08-30 |
| 7984290 | System and method for encrypted communication | Yoko Hashimoto, Takahiro Fujishiro, Osamu Takata, Kazuyoshi Hoshino, Shinji Nakamura | 2011-07-19 |
| 7940780 | Data communication system enabling data communication between communication devices through a server | Dan Yamamoto, Akifumi Yato, Takahiro Fujishiro, Shinichi Irube | 2011-05-10 |
| 7720227 | Encryption method for SIP message and encrypted SIP communication system | Osamu Takata, Takahiro Fujishiro, Kazuyoshi Hoshino | 2010-05-18 |
| 7697692 | Cryptographic communication system and method | Osamu Takata, Takahiro Fujishiro, Kazuyoshi Hoshino | 2010-04-13 |
| 7657035 | Encryption communication method and system | Akifumi Yato, Osamu Takata, Takahiro Fujishiro, Kazuyoshi Hoshino | 2010-02-02 |
| 7558952 | Method and apparatus for accelerating public-key certificate validation | Yoko Kumagai, Takahiro Fujishiro, Shingo Hane, Hitoshi Shimonosono | 2009-07-07 |
| 7533269 | Digital-signed digital document exchange supporting method and information processor | Yoko Kumagai, Takahiro Fujishiro, Shingo Hane, Hitoshi Shimonosono | 2009-05-12 |
| 7443986 | Key allocating method and key allocation system for encrypted communication | Osamu Takata, Takahiro Fujishiro, Kazuyoshi Hoshino | 2008-10-28 |
| 7392380 | Authentication and authorization infrastructure system with CRL issuance notification function | Takahiro Fujishiro, Yoko Kumagai, Shingo Hane, Hiromi Nagano | 2008-06-24 |
| 6327658 | Distributed object system and service supply method therein | Seiichi Susaki, Katsuyuki Umezawa, Satoru Tezuka, Ryoichi Sasaki, Kuniaki Tabata +2 more | 2001-12-04 |