Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8953805 | Authentication information generating system, authentication information generating method, client apparatus, and authentication information generating program for implementing the method | Yoshinao Kikuchi, Tomoo Fukazawa | 2015-02-10 |
| 8775796 | Certificate authenticating method, certificate issuing device, and authentication device | Kei Karasawa, Masahisa Kawashima, Kenji Takahashi, Shingo Orihara | 2014-07-08 |
| 8595816 | User authentication system and method for the same | Kei Karasawa, Nachi Ueno, Kenji Takahashi, Shingo Orihara | 2013-11-26 |
| 8352743 | Client device, key device, service providing apparatus, user authentication system, user authentication method, program, and recording medium | Shingo Orihara, Kei Karasawa, Kenji Takahashi | 2013-01-08 |
| 8291231 | Common key setting method, relay apparatus, and program | Nachi Ueno, Shingo Orihara, Kei Karasawa | 2012-10-16 |
| 7861288 | User authentication system for providing online services based on the transmission address | Yoshinao Kikuchi, Shintaro Mizuno, Kenji Takahashi, Kei Karasawa | 2010-12-28 |
| 7761517 | Address notifying apparatus and address notifying method | Satoshi Ono, Yusuke Hisada | 2010-07-20 |
| 7665132 | Remote access VPN mediation method and mediation device | Yusuke Hisada, Satoshi Ono | 2010-02-16 |
| 7580980 | Email system restoring recipient identifier based on identifier-for-disclosure for establishing communication between sender and recipient | Masahisa Kawashima, Fumitaka Hoshino, Akiko Fujimura, Shingo Kinoshita, Masayoshi Nakao +4 more | 2009-08-25 |