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Hirotaka Nakagawa
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Storage system and control method
Patent number
11,880,589
Issue date
Jan 23, 2024
Hitachi, Ltd.
Junji Koike
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Storage system and storage control method
Patent number
11,740,823
Issue date
Aug 29, 2023
Hitachi, Ltd.
Akira Deguchi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Storage system and storage control method
Patent number
11,474,725
Issue date
Oct 18, 2022
Hitachi, Ltd.
Akira Deguchi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Storage device and method for erasing data of storage device
Patent number
11,360,690
Issue date
Jun 14, 2022
Hitachi, Ltd.
Hirotaka Nakagawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Computer system and resource access control method for securely con...
Patent number
11,048,543
Issue date
Jun 29, 2021
Hitachi, Ltd.
Hirotaka Nakagawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Computer system and method for controlling storage apparatus that h...
Patent number
10,761,767
Issue date
Sep 1, 2020
Hitachi, Ltd.
Azusa Jin
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Information processing system, and control method of information pr...
Patent number
10,762,021
Issue date
Sep 1, 2020
Hitachi, Ltd.
Hirotaka Nakagawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Storage system
Patent number
10,013,216
Issue date
Jul 3, 2018
Hitachi, Ltd.
Nobuhito Mori
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Storage system and management computer
Patent number
9,395,926
Issue date
Jul 19, 2016
Hitachi, Ltd.
Hirotaka Nakagawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Computer system and control method of computer system
Patent number
9,270,742
Issue date
Feb 23, 2016
Hitachi, Ltd.
Etsutaro Akagawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Storage system and control method for storage system
Patent number
9,262,437
Issue date
Feb 16, 2016
Hitachi, Ltd.
Hirotaka Nakagawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Computer system and its management method
Patent number
9,092,158
Issue date
Jul 28, 2015
Hitachi, Ltd.
Hirotaka Nakagawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Virtual storage apparatus providing a plurality of real storage app...
Patent number
9,052,839
Issue date
Jun 9, 2015
Hitachi, Ltd.
Hideo Saito
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Storage device and its control method
Patent number
8,935,537
Issue date
Jan 13, 2015
Hitachi, Ltd.
Hirotaka Nakagawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Storage apparatus and control method of the same
Patent number
8,768,883
Issue date
Jul 1, 2014
Hitachi, Ltd.
Mioko Mori
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Computer system and volume migration control method using the same
Patent number
8,713,307
Issue date
Apr 29, 2014
Hitachi, Ltd.
Hirotaka Nakagawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Computer system and its management method
Patent number
8,639,775
Issue date
Jan 28, 2014
Hitachi, Ltd.
Hirotaka Nakagawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Storage system and storage system communication path management method
Patent number
8,499,098
Issue date
Jul 30, 2013
Hitachi, Ltd.
Hirotaka Nakagawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Storage system and management method thereof
Patent number
8,452,923
Issue date
May 28, 2013
Hitachi, Ltd.
Hirotaka Nakagawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Storage device and its control method
Patent number
8,341,425
Issue date
Dec 25, 2012
Hitachi, Ltd.
Hirotaka Nakagawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Storage system and management method thereof
Patent number
8,151,047
Issue date
Apr 3, 2012
Hitachi, Ltd.
Hirotaka Nakagawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Storage system including plurality of storage apparatuses
Patent number
8,074,090
Issue date
Dec 6, 2011
Hitachi, Ltd.
Hirotaka Nakagawa
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Storage apparatus for power saving and achieving longest mean time...
Patent number
8,074,091
Issue date
Dec 6, 2011
Hitachi, Ltd.
Hirotaka Nakagawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Backup data management system and backup data management method
Patent number
7,996,611
Issue date
Aug 9, 2011
Hitachi, Ltd.
Hirotaka Nakagawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Management computer, power supply control method and computer system
Patent number
7,653,784
Issue date
Jan 26, 2010
Hitachi, Ltd.
Hirotaka Nakagawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method, device and program for managing volume
Patent number
7,502,907
Issue date
Mar 10, 2009
Hitachi, Ltd.
Hirotaka Nakagawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and program for disclosing and providing services on network
Patent number
7,376,746
Issue date
May 20, 2008
Hitachi, Ltd.
Daisuke Shinohara
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Computer system and storage area allocation method
Patent number
7,366,867
Issue date
Apr 29, 2008
Hitachi, Ltd.
Shigeru Abe
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method, device and program for managing volume
Patent number
7,260,699
Issue date
Aug 21, 2007
Hitachi, Ltd.
Hirotaka Nakagawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method, device and program for managing volume
Patent number
7,249,240
Issue date
Jul 24, 2007
Hitachi, Ltd.
Hirotaka Nakagawa
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
STORAGE SYSTEM AND DATA MANAGEMENT METHOD OF STORAGE SYSTEM
Publication number
20240004575
Publication date
Jan 4, 2024
Hitachi, Ltd
Yu Yoshizawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
STORAGE SYSTEM AND CONTROL METHOD
Publication number
20220405010
Publication date
Dec 22, 2022
Hitachi, Ltd
Junji KOIKE
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
STORAGE DEVICE AND METHOD FOR ERASING DATA OF STORAGE DEVICE
Publication number
20200285412
Publication date
Sep 10, 2020
Hitachi, Ltd
Hirotaka Nakagawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
STORAGE SYSTEM AND STORAGE CONTROL METHOD
Publication number
20200117381
Publication date
Apr 16, 2020
Hitachi, Ltd
Akira DEGUCHI
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
COMPUTER SYSTEM AND RESOURCE ACCESS CONTROL METHOD
Publication number
20190361726
Publication date
Nov 28, 2019
Hitachi, Ltd
Hirotaka NAKAGAWA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
INFORMATION PROCESSING SYSTEM, AND CONTROL METHOD OF INFORMATION PR...
Publication number
20190108157
Publication date
Apr 11, 2019
Hitachi, Ltd
Hirotaka NAKAGAWA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
COMPUTER SYSTEM AND METHOD FOR CONTROLLING STORAGE APPARATUS
Publication number
20190065064
Publication date
Feb 28, 2019
Hitachi, Ltd
Azusa JIN
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
STORAGE SYSTEM AND STORAGE SYSTEM CONTROL METHOD
Publication number
20160034721
Publication date
Feb 4, 2016
Hitachi, Ltd
Mioko MORIGUCHI
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
STORAGE SYSTEM
Publication number
20160019005
Publication date
Jan 21, 2016
Hitachi, Ltd
Nobuhito MORI
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
STORAGE SYSTEM AND MANAGEMENT COMPUTER
Publication number
20160011805
Publication date
Jan 14, 2016
Hitachi, Ltd
Hirotaka NAKAGAWA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
COMPUTER SYSTEM AND CONTROL METHOD OF COMPUTER SYSTEM
Publication number
20150067014
Publication date
Mar 5, 2015
Hitachi, Ltd
Etsutaro Akagawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
STORAGE APPARATUS AND CONTROL METHOD OF THE SAME
Publication number
20140297984
Publication date
Oct 2, 2014
Mioko MORI
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
STORAGE SYSTEM, METHOD OF CONTROLLING A STORAGE SYSTEM AND MANAGEME...
Publication number
20140201438
Publication date
Jul 17, 2014
Hitachi, Ltd
Hideo Saito
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
STORAGE SYSTEM AND CONTROL METHOD FOR STORAGE SYSTEM
Publication number
20140195573
Publication date
Jul 10, 2014
Hitachi, Ltd
Hirotaka Nakagawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
COMPUTER SYSTEM AND ITS MANAGEMENT METHOD
Publication number
20140181450
Publication date
Jun 26, 2014
Hitachi, Ltd
Hirotaka Nakagawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
COMPUTER SYSTEM AND COMPUTER SYSTEM CONTROL METHOD
Publication number
20130208892
Publication date
Aug 15, 2013
Hitachi Ltd.
Mioko Moriguchi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
COMPUTER SYSTEM AND VOLUME MIGRATION CONTROL METHOD USING THE SAME
Publication number
20130159700
Publication date
Jun 20, 2013
Hitachi, Ltd
Hirotaka Nakagawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
STORAGE DEVICE AND ITS CONTROL METHOD
Publication number
20130124873
Publication date
May 16, 2013
Hitachi, Ltd
Hirotaka NAKAGAWA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
COMPUTER SYSTEM AND ITS MANAGEMENT METHOD
Publication number
20120278426
Publication date
Nov 1, 2012
Hitachi, Ltd
Hirotaka Nakagawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
STORAGE SYSTEM AND MANAGEMENT METHOD THEREOF
Publication number
20120185645
Publication date
Jul 19, 2012
Hirotaka Nakagawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
STORAGE APPARATUS AND CONTROL METHOD OF THE SAME
Publication number
20120185426
Publication date
Jul 19, 2012
Hitachi, Ltd
Mioko Mori
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
STORAGE APPARATUS AND MANAGEMENT METHOD THEREOF
Publication number
20120102201
Publication date
Apr 26, 2012
Hitachi, Ltd
Hirotaka Nakagawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
COMPUTER SYSTEM AND METHOD FOR MANAGING THE SAME
Publication number
20120072693
Publication date
Mar 22, 2012
Hitachi, Ltd
Mioko Mori
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
STORAGE DEVICE AND ITS CONTROL METHOD
Publication number
20110296195
Publication date
Dec 1, 2011
Hirotaka Nakagawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
STORAGE SYSTEM AND STORAGE SYSTEM COMMUNICATION PATH MANAGEMENT METHOD
Publication number
20110179188
Publication date
Jul 21, 2011
Hitachi, Ltd
Hirotaka Nakagawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
COMPUTER SYSTEM AND STORAGE SYSTEM
Publication number
20100082934
Publication date
Apr 1, 2010
Hitachi, Ltd.
Yuki Naganuma
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Computer System and Method of Managing Backup of Data
Publication number
20100036896
Publication date
Feb 11, 2010
Hitachi Lrd.
Hirotaka Nakagawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
OPERATION METHOD OF STORAGE APPARATUS, STORAGE APPARATUS AND STORAG...
Publication number
20090300387
Publication date
Dec 3, 2009
Hitachi, Ltd.
Hirotaka Nakagawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
COMPUTER SYSTEM AND OPERATION TAKEOVER METHOD
Publication number
20090235046
Publication date
Sep 17, 2009
Hitachi, Ltd.
Masayasu ASANO
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Backup Data Management System and Backup Data Management Method
Publication number
20090228670
Publication date
Sep 10, 2009
Hitachi, Ltd.
Hirotaka Nakagawa
G06 - COMPUTING CALCULATING COUNTING