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Patents Grants
last 30 patents
Information
Patent Grant
High performance storage access environment
Patent number
8,046,421
Issue date
Oct 25, 2011
Hitachi, Ltd.
Akira Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Load distribution of multiple disks
Patent number
7,861,034
Issue date
Dec 28, 2010
Hitachi, Ltd.
Akira Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
High performance storage access environment
Patent number
7,386,596
Issue date
Jun 10, 2008
Fuji Xerox, Co., Ltd.
Akira Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Apparatus and method for online data migration with remote copy
Patent number
7,320,058
Issue date
Jan 15, 2008
Hitachi, Ltd.
Akira Fujibayashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for the takeover of primary volume in multiple...
Patent number
7,281,158
Issue date
Oct 9, 2007
Hitachi, Ltd.
Masayuki Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Distribution of I/O requests across multiple disk units
Patent number
7,254,674
Issue date
Aug 7, 2007
Hitachi, Ltd.
Akira Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for encryption and decryption in remote data s...
Patent number
7,240,197
Issue date
Jul 3, 2007
Hitachi, Ltd.
Kenji Yamagami
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Continuous update of data in a data server system
Patent number
7,188,157
Issue date
Mar 6, 2007
Hitachi, Ltd.
Shoji Kodama
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Direct access storage system having plural interfaces which permit...
Patent number
7,174,399
Issue date
Feb 6, 2007
Hitachi, Ltd.
Akira Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
High performance storage access environment
Patent number
7,152,096
Issue date
Dec 19, 2006
Hitachi, Ltd.
Akira Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
High speed data transfer between mainframe storage systems
Patent number
7,146,494
Issue date
Dec 5, 2006
Hitachi, Ltd.
Akira Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Computer system and data sharing method between computers
Patent number
7,117,249
Issue date
Oct 3, 2006
Hitachi, Ltd.
Manabu Kitamura
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Direct access storage system having plural interfaces which permit...
Patent number
7,016,991
Issue date
Mar 21, 2006
Hitachi, Ltd.
Akira Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and system for time-based storage access services
Patent number
7,010,493
Issue date
Mar 7, 2006
Hitachi, Ltd.
Masayuki Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Apparatus and method for online data migration with remote copy
Patent number
6,938,137
Issue date
Aug 30, 2005
Hitachi, Ltd.
Akira Fujibayashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Storage system connected to a data network with data integrity
Patent number
6,859,824
Issue date
Feb 22, 2005
Hitachi, Ltd.
Akira Yamamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System and method for storage on demand service in a global SAN env...
Patent number
6,839,815
Issue date
Jan 4, 2005
Hitachi, Ltd.
Akira Kagami
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for the takeover of primary volume in multiple...
Patent number
6,810,491
Issue date
Oct 26, 2004
Hitachi America, Ltd.
Masayuki Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Direct access storage system having plural interfaces which permit...
Patent number
6,779,063
Issue date
Aug 17, 2004
Hitachi, Ltd.
Akira Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Computer system and a program install method thereof
Patent number
6,775,830
Issue date
Aug 10, 2004
Hitachi, Ltd.
Naoto Matsunami
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
High speed data transfer between mainframe storage systems
Patent number
6,748,467
Issue date
Jun 8, 2004
Hitachi, Ltd.
Akira Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Virtual volume storage
Patent number
6,748,502
Issue date
Jun 8, 2004
Hitachi, Ltd.
Naoki Watanabe
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Distribution of I/O requests across multiple disk units
Patent number
6,728,832
Issue date
Apr 27, 2004
Hitachi, Ltd.
Akira Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Dynamic reallocation of physical storage
Patent number
6,715,054
Issue date
Mar 30, 2004
Hitachi, Ltd.
Akira Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Remote copy system with data integrity
Patent number
6,701,455
Issue date
Mar 2, 2004
Hitachi, Ltd.
Akira Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Multiple processor data processing system with mirrored data for di...
Patent number
6,694,406
Issue date
Feb 17, 2004
Hitachi, Ltd.
Shoji Kodama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus and method for online data migration with remote copy
Patent number
6,640,291
Issue date
Oct 28, 2003
Hitachi, Ltd.
Akira Fujibayashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Multiple processor data processing system with mirrored data for di...
Patent number
6,542,962
Issue date
Apr 1, 2003
Hitachi, Ltd.
Shoji Kodama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
HIGH PERFORMANCE STORAGE ACCESS ENVIRONMENT
Publication number
20080209148
Publication date
Aug 28, 2008
HITACHI, LTD.
Akira Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Computer system and a program install method thereof
Publication number
20080134171
Publication date
Jun 5, 2008
Naoto Matsunami
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Load distribution of multiple disks
Publication number
20070239958
Publication date
Oct 11, 2007
Hitachi, Ltd
Akira Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
High performance storage access environment
Publication number
20070050506
Publication date
Mar 1, 2007
Hitachi, Ltd
Akira Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Direct access storage system having plural interfaces which permit...
Publication number
20060149868
Publication date
Jul 6, 2006
Hitachi, Ltd.
Akira Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Apparatus and method for online data migration with remote copy
Publication number
20050188166
Publication date
Aug 25, 2005
Hitachi, Ltd
Akira Fujibayashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Method and apparatus for the takeover of primary volume in multiple...
Publication number
20050034013
Publication date
Feb 10, 2005
Hitachi America, Ltd.
Masayuki Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Direct access storage system having plural interfaces which permit...
Publication number
20040243732
Publication date
Dec 2, 2004
Akira Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Computer system and a program install method thereof
Publication number
20040194084
Publication date
Sep 30, 2004
Naoto Matsunami
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Direct access storage system having plural interfaces which permit...
Publication number
20040177181
Publication date
Sep 9, 2004
Akira Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Direct access storage system having plural interfaces which permit...
Publication number
20040177174
Publication date
Sep 9, 2004
Akira Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Distribution of I/O requests across multiple disk units
Publication number
20040177220
Publication date
Sep 9, 2004
Hitachi, Ltd
Akira Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
High speed data transfer between mainframe storage systems
Publication number
20040158659
Publication date
Aug 12, 2004
Akira Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Apparatus and method for online data migration with remote copy
Publication number
20040068629
Publication date
Apr 8, 2004
Hitachi, Ltd
Akira Fujibayashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Multiple processor data processing system with mirrored data for di...
Publication number
20030131193
Publication date
Jul 10, 2003
Hitachi, Ltd
Shoji Kodama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Apparatus and method for online data migration with remote copy
Publication number
20030033494
Publication date
Feb 13, 2003
Akira Fujibayashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
High performance storage access environment
Publication number
20030028729
Publication date
Feb 6, 2003
Akira Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
System and method for storage on demand service in a global SAN env...
Publication number
20020166033
Publication date
Nov 7, 2002
Akira Kagami
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Direct access storage system with combined block interface and file...
Publication number
20020152339
Publication date
Oct 17, 2002
Akira Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Method and system for time-based storage access services
Publication number
20020138691
Publication date
Sep 26, 2002
Masayuki Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Multiple processor data processing system with mirrored data for di...
Publication number
20020138696
Publication date
Sep 26, 2002
Shoji Kodama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and apparatus for storage on demand service
Publication number
20020112043
Publication date
Aug 15, 2002
Akira Kagami
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
High speed data transfer between mainframe storage systems
Publication number
20020112079
Publication date
Aug 15, 2002
Akira Yamamoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Guaranteed data access speed of a storage system
Publication number
20020112030
Publication date
Aug 15, 2002
Naoko Iwami
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Virtual volume storage
Publication number
20020095547
Publication date
Jul 18, 2002
Naoki Watanabe
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Load distribution of multiple disks
Publication number
20010023463
Publication date
Sep 20, 2001
Akira Yamamoto
G06 - COMPUTING CALCULATING COUNTING