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Patent applications and USPTO patent grants for Tsuji; Hirosato.The latest application filed is for "encryption device, encryption system, encryption method, and encryption program".
Patent | Date |
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Communication terminal, communication system, communication method and communication program Grant 9,032,208 - Tsuji , et al. May 12, 2 | 2015-05-12 |
Encryption device, encryption system, encryption method, and encryption program Grant 8,948,377 - Shibata , et al. February 3, 2 | 2015-02-03 |
Encryption Device, Encryption System, Encryption Method, And Encryption Program App 20130142328 - Shibata; Yoichi ;   et al. | 2013-06-06 |
Communication Terminal, Communication System, Communication Method And Communication Program App 20130138961 - Tsuji; Hirosato ;   et al. | 2013-05-30 |
Key Management Server, Terminal, Key Sharing System, Key Delivery Program, Key Reception Program, Key Delivery Method, And Key Reception Method App 20100290627 - Tsuji; Hirosato ;   et al. | 2010-11-18 |
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