Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8819417 | Validation server, validation method, and program | Yoko Hashimoto, Takahiro Fujishiro, Masahiko Furuya, Masami Uzawa, Akane Sato | 2014-08-26 |
| 8635449 | Method of validation public key certificate and validation server | Akane Sato, Yoko Hashimoto, Takahiro Fujishiro, Masahiko Furuya, Masami Uzawa | 2014-01-21 |
| 8516245 | Method, product and apparatus for accelerating public-key certificate validation | Yoko Kumagai, Takahiro Fujishiro, Tadashi Kaji, Hitoshi Shimonosono | 2013-08-20 |
| 8380985 | Certificate validation method and certificate validation server and storage medium | Akane Sato, Takahiro Fujishiro, Yoko Hashimoto, Masahiko Furuya, Masami Ogawa | 2013-02-19 |
| 8347082 | Method of validation public key certificate and validation server | Akane Sato, Yoko Hashimoto, Takahiro Fujishiro, Masahiko Furuya, Masami Uzawa | 2013-01-01 |
| 8176316 | Validation server, validation method, and program | Yoko Hashimoto, Takahiro Fujishiro, Masahiko Furuya, Masami Uzawa, Akane Sato | 2012-05-08 |
| 7558952 | Method and apparatus for accelerating public-key certificate validation | Yoko Kumagai, Takahiro Fujishiro, Tadashi Kaji, Hitoshi Shimonosono | 2009-07-07 |
| 7533269 | Digital-signed digital document exchange supporting method and information processor | Yoko Kumagai, Takahiro Fujishiro, Tadashi Kaji, Hitoshi Shimonosono | 2009-05-12 |
| 7392380 | Authentication and authorization infrastructure system with CRL issuance notification function | Tadashi Kaji, Takahiro Fujishiro, Yoko Kumagai, Hiromi Nagano | 2008-06-24 |