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Akihiko Yamaguchi
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Security management device and method
Patent number
9,021,480
Issue date
Apr 28, 2015
Hitachi, Ltd.
Akihiko Yamaguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System and method for evaluating application suitability in executi...
Patent number
8,566,391
Issue date
Oct 22, 2013
Hitachi, Ltd.
Kota Saito
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Security management device and method
Patent number
8,321,863
Issue date
Nov 27, 2012
Hitachi, Ltd.
Akihiko Yamaguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for controlling a management computer
Patent number
7,908,314
Issue date
Mar 15, 2011
Hitachi, Ltd.
Akihiko Yamaguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Damage analysis-supporting system
Patent number
7,660,435
Issue date
Feb 9, 2010
Akihiko Yamaguchi
G01 - MEASURING TESTING
Information
Patent Grant
Method of managing a storage area network
Patent number
7,136,923
Issue date
Nov 14, 2006
Hitachi, Ltd.
Akihiko Yamaguchi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and system for retrieving a document and computer readable s...
Patent number
7,054,860
Issue date
May 30, 2006
Hitachi, Ltd.
Yasuhiko Inaba
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Backup method on a hierarchical backup system
Patent number
6,965,976
Issue date
Nov 15, 2005
Hitachi, Ltd.
Akihiko Yamaguchi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Document retrieval method and system and computer readable storage...
Patent number
6,865,571
Issue date
Mar 8, 2005
Hitachi, Ltd.
Yasuhiko Inaba
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Text mining method and apparatus allowing a user to analyze content...
Patent number
6,757,676
Issue date
Jun 29, 2004
Hitachi, Ltd.
Natsuko Sugaya
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Document retrieval method and system and computer readable storage...
Patent number
6,665,668
Issue date
Dec 16, 2003
Hitachi, Ltd.
Natsuko Sugaya
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
SECURITY MANAGEMENT DEVICE AND METHOD
Publication number
20150212848
Publication date
Jul 30, 2015
Hitachi, Ltd
Akihiko Yamaguchi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SECURITY MANAGEMENT DEVICE AND METHOD
Publication number
20130312055
Publication date
Nov 21, 2013
Hitachi, Ltd
Akihiko Yamaguchi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SYSTEM AND METHOD FOR EVALUATING APPLICATION SUITABILITY IN EXECUTI...
Publication number
20110270963
Publication date
Nov 3, 2011
Hitachi, Ltd
Kota Saito
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SECURITY MANAGEMENT DEVICE AND METHOD
Publication number
20110047541
Publication date
Feb 24, 2011
HITACHI LTD.
Akihiko Yamaguchi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Damage analysis-supporting system
Publication number
20070052973
Publication date
Mar 8, 2007
Tsubasa System Co., Ltd.
Akihiko Yamaguchi
G01 - MEASURING TESTING
Information
Patent Application
Method for controlling a management computer
Publication number
20060218279
Publication date
Sep 28, 2006
Akihiko Yamaguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method of managing a storage area network
Publication number
20050268152
Publication date
Dec 1, 2005
Hitachi, Ltd
Akihiko Yamaguchi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Backup method on a hierarchical backup system
Publication number
20040153753
Publication date
Aug 5, 2004
Hitachi, Ltd
Akihiko Yamaguchi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Method and system for retrieving a document and computer readable s...
Publication number
20040068495
Publication date
Apr 8, 2004
Hitachi, Ltd.
Yasuhiko Inaba
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Document retrieval method and system and computer readable storage...
Publication number
20020073065
Publication date
Jun 13, 2002
Yasuhiko Inaba
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
System and method for sending electronic mail and computer readable...
Publication number
20020059382
Publication date
May 16, 2002
Akihiko Yamaguchi
G06 - COMPUTING CALCULATING COUNTING