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Masahiko FURUYA
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Narashino, JP
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Patents Grants
last 30 patents
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Patent Grant
Validation server, validation method, and program
Patent number
8,819,417
Issue date
Aug 26, 2014
Hitachi, Ltd.
Yoko Hashimoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method of validation public key certificate and validation server
Patent number
8,635,449
Issue date
Jan 21, 2014
Hitachi, Ltd.
Akane Sato
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Certificate validation method and certificate validation server and...
Patent number
8,380,985
Issue date
Feb 19, 2013
Hitachi, Ltd.
Akane Sato
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method of validation public key certificate and validation server
Patent number
8,347,082
Issue date
Jan 1, 2013
Hitachi, Ltd.
Akane Sato
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Validation server, validation method, and program
Patent number
8,176,316
Issue date
May 8, 2012
Hitachi, Ltd.
Yoko Hashimoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
METHOD OF VALIDATION PUBLIC KEY CERTIFICATE AND VALIDATION SERVER
Publication number
20130061043
Publication date
Mar 7, 2013
Hitachi Ltd.
Akane SATO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
VALIDATION SERVER, VALIDATION METHOD, AND PROGRAM
Publication number
20120159158
Publication date
Jun 21, 2012
Hitachi, Ltd
Yoko HASHIMOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CRYPTOGRAPHIC DEVICE MANAGEMENT METHOD, CRYPTOGRAPHIC DEVICE MANAGE...
Publication number
20120066490
Publication date
Mar 15, 2012
Hitachi, Ltd.
Akane Sato
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
CERTIFICATE VALIDATION METHOD AND VALIDATION SERVER
Publication number
20110231662
Publication date
Sep 22, 2011
Hitachi, Ltd.
AKANE SATO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CERTIFICATE VALIDATION METHOD AND CERTIFICATE VALIDATION SERVER AND...
Publication number
20110004763
Publication date
Jan 6, 2011
Akane SATO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD OF VALIDATION PUBLIC KEY CERTIFICATE AND VALIDATION SERVER
Publication number
20100122081
Publication date
May 13, 2010
Akane SATO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
VALIDATION SERVER, VALIDATION METHOD, AND PROGRAM
Publication number
20090300349
Publication date
Dec 3, 2009
Yoko HASHIMOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Validation Server, Program and Verification Method
Publication number
20080301439
Publication date
Dec 4, 2008
Yoko HASHIMOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE