Kouji Arai

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Storage system
- Patent number 8,560,631
- Issue date Oct 15, 2013
- Hitachi, Ltd.
- Takashige Iwamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data restoring method and an apparatus using journal data and an id...
- Patent number 8,423,825
- Issue date Apr 16, 2013
- Hitachi, Ltd.
- Yoshiaki Eguchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Automated on-line capacity expansion method for storage device
- Patent number 8,266,375
- Issue date Sep 11, 2012
- Hitachi, Ltd.
- Yoshiki Kano
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for replicating data
- Patent number 8,126,846
- Issue date Feb 28, 2012
- Hitachi, Ltd.
- Kouji Arai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Dynamic RAM
- Patent number 8,068,379
- Issue date Nov 29, 2011
- Hitachi, Ltd.
- Tsutomu Takahashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Automated on-line capacity expansion method for storage device
- Patent number 8,028,127
- Issue date Sep 27, 2011
- Hitachi, Ltd.
- Yoshiki Kano
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data restoring method and an apparatus using journal data and an id...
- Patent number 7,971,097
- Issue date Jun 28, 2011
- Hitachi, Ltd.
- Yoshiaki Eguchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data reallocation among storage systems
- Patent number 7,953,949
- Issue date May 31, 2011
- Hitachi, Ltd.
- Hiroshi Arakawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for controlling storage system, and storage control apparatus
- Patent number 7,937,513
- Issue date May 3, 2011
- Hitachi, Ltd.
- Hiroshi Ohno
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Automated on-line capacity expansion method for storage device
- Patent number 7,930,474
- Issue date Apr 19, 2011
- Hitachi, Ltd.
- Yoshiki Kano
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Clustered storage system and its control method
- Patent number 7,761,677
- Issue date Jul 20, 2010
- Hitachi, Ltd.
- Hiroshi Arakawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Computer system and a method of replication
- Patent number 7,694,073
- Issue date Apr 6, 2010
- Hitachi, Ltd.
- Ai Satoyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of and a system for recovering data in an information proces...
- Patent number 7,689,611
- Issue date Mar 30, 2010
- Hitachi, Ltd.
- Haruaki Watanabe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data restoring method and an apparatus using journal data and an id...
- Patent number 7,549,083
- Issue date Jun 16, 2009
- Hitachi, Ltd.
- Yoshiaki Eguchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method for controlling storage system, and storage control apparatus
- Patent number 7,457,899
- Issue date Nov 25, 2008
- Hitachi, Ltd.
- Hiroshi Ohno
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for replicating data
- Patent number 7,451,164
- Issue date Nov 11, 2008
- Hitachi, Ltd.
- Kouji Arai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Automated on-line capacity expansion method for storage device
- Patent number 7,447,832
- Issue date Nov 4, 2008
- Hitachi, Ltd.
- Yoshiki Kano
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method for controlling storage system, and storage control apparatus
- Patent number 7,412,543
- Issue date Aug 12, 2008
- Hitachi, Ltd.
- Hiroshi Ohno
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for data relocation between storage subsystems
- Patent number 7,337,292
- Issue date Feb 26, 2008
- Hitachi, Ltd.
- Yoshiaki Eguchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Storage unit subsystem
- Patent number 7,320,089
- Issue date Jan 15, 2008
- Hitachi, Ltd.
- Akira Yamamoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data restoring method and an apparatus using journal data and an id...
- Patent number 7,305,584
- Issue date Dec 4, 2007
- Hitachi, Ltd.
- Yoshiaki Eguchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data copy method
- Patent number 7,284,103
- Issue date Oct 16, 2007
- Hitachi, Ltd.
- Takashi Kaga
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Computer system and a method of replication
- Patent number 7,281,099
- Issue date Oct 9, 2007
- Hitachi, Ltd.
- Ai Satoyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data reallocation among storage systems
- Patent number 7,260,696
- Issue date Aug 21, 2007
- Hitachi, Ltd.
- Hiroshi Arakawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Storage system
- Patent number 7,254,620
- Issue date Aug 7, 2007
- Hitachi, Ltd.
- Takashige Iwamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for controlling storage system, and storage control apparatus
- Patent number 7,209,986
- Issue date Apr 24, 2007
- Hitachi, Ltd.
- Hiroshi Ohno
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data restoring method and an apparatus using journal data and an id...
- Patent number 7,185,227
- Issue date Feb 27, 2007
- Hitachi, Ltd.
- Yoshiaki Eguchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Remote copy for a storage controller with reduced data size
- Patent number 7,167,962
- Issue date Jan 23, 2007
- Hitachi, Ltd.
- Toshio Nakano
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Storage system
- Patent number 7,162,598
- Issue date Jan 9, 2007
- Hitachi, Ltd.
- Haruaki Watanabe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for data relocation between storage subsystems
- Patent number 7,162,603
- Issue date Jan 9, 2007
- Hitachi, Ltd.
- Yoshiaki Eguchi
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
AUTOMATED ON-LINE CAPACITY EXPANSION METHOD FOR STORAGE DEVICE
- Publication number 20120005427
- Publication date Jan 5, 2012
- Hitachi, Ltd
- Yoshiki Kano
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DATA RESTORING METHOD AND AN APPARATUS USING JOURNAL DATA AND AN ID...
- Publication number 20110225455
- Publication date Sep 15, 2011
- Hitachi, Ltd
- Yoshiaki Eguchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
AUTOMATED ON-LINE CAPACITY EXPANSION METHOD FOR STORAGE DEVICE
- Publication number 20100332745
- Publication date Dec 30, 2010
- Hitachi, Ltd
- Yoshiki Kano
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
System and Method for Replicating Data
- Publication number 20090106515
- Publication date Apr 23, 2009
- Hitachi, Ltd
- Kouji ARAI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DATA RESTORING METHOD AND AN APPARATUS USING JOURNAL DATA AND AN ID...
- Publication number 20090089614
- Publication date Apr 2, 2009
- Hitachi, Ltd.
- Yoshiaki Eguchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD FOR CONTROLLING STORAGE SYSTEM, AND STORAGE CONTROL APPARATUS
- Publication number 20090049241
- Publication date Feb 19, 2009
- Hiroshi Ohno
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
AUTOMATED ON-LINE CAPACITY EXPANSION METHOD FOR STORAGE DEVICE
- Publication number 20090043982
- Publication date Feb 12, 2009
- Yoshiki Kano
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Computer system and a method of replication
- Publication number 20080022042
- Publication date Jan 24, 2008
- Ai Satoyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Storage System
- Publication number 20070283366
- Publication date Dec 6, 2007
- Hitachi, Ltd
- Takashige Iwamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Data reallocation among storage systems
- Publication number 20070266216
- Publication date Nov 15, 2007
- Hitachi, Ltd
- Hiroshi Arakawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and apparatus for data relocation between storage subsystems
- Publication number 20070113037
- Publication date May 17, 2007
- Hitachi, Ltd.
- Yoshiaki Eguchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Data restoring method and an apparatus using journal data and an id...
- Publication number 20070088977
- Publication date Apr 19, 2007
- Hitachi, Ltd.
- Yoshiaki Eguchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Remote copy for a storage controller with reduced data size
- Publication number 20060195668
- Publication date Aug 31, 2006
- Hitachi, Ltd
- Toshio Nakano
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method for controlling storage system, and storage control apparatus
- Publication number 20060168411
- Publication date Jul 27, 2006
- Hitachi, Ltd.
- Hiroshi Ohno
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method for controlling storage system, and storage control apparatus
- Publication number 20060168369
- Publication date Jul 27, 2006
- HITACHI LTD.
- Hiroshi Ohno
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Data restoring method and an apparatus using journal data and an id...
- Publication number 20060150001
- Publication date Jul 6, 2006
- Yoshiaki Eguchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and apparatus for data relocation between storage subsystems
- Publication number 20060095697
- Publication date May 4, 2006
- Hitachi, Ltd.
- Yoshiaki Eguchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Computer system and a method of replication
- Publication number 20050262319
- Publication date Nov 24, 2005
- Ai Satoyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method of and a system for recovering data in an information proces...
- Publication number 20050251517
- Publication date Nov 10, 2005
- Hitachi, Ltd.
- Haruaki Watanabe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method for controlling storage system, and storage control apparatus
- Publication number 20050235107
- Publication date Oct 20, 2005
- Hitachi, Ltd
- Hiroshi Ohno
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and apparatus for data relocation between storage subsystems
- Publication number 20050138315
- Publication date Jun 23, 2005
- Hitachi, Ltd.
- Yoshiaki Eguchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Automated on-line capacity expansion method for storage device
- Publication number 20050091455
- Publication date Apr 28, 2005
- Yoshiki Kano
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method of managing generation of backup data and storage control de...
- Publication number 20050071590
- Publication date Mar 31, 2005
- Hitachi, Ltd
- Haruaki Watanabe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Storage unit subsystem
- Publication number 20050050267
- Publication date Mar 3, 2005
- Hitachi, Ltd.
- Akira Yamamoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Information processing system and storage area allocating method
- Publication number 20050044104
- Publication date Feb 24, 2005
- Hitachi, Ltd
- Yasunori Kaneda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Data reallocation among storage systems
- Publication number 20040236772
- Publication date Nov 25, 2004
- HITACHI, LTD.
- Hiroshi Arakawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Data restoring method and an apparatus using journal data and an id...
- Publication number 20040193945
- Publication date Sep 30, 2004
- Hitachi, Ltd
- Yoshiaki Eguchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Automated on-line capacity expansion method for storage device
- Publication number 20040162958
- Publication date Aug 19, 2004
- Yoshiki Kano
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Storage system
- Publication number 20040107315
- Publication date Jun 3, 2004
- Hitachi, Ltd.
- Haruaki Watanabe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method of managing generation of backup data and storage control de...
- Publication number 20040103257
- Publication date May 27, 2004
- Hitachi, Ltd
- Haruaki Watanabe
- G06 - COMPUTING CALCULATING COUNTING

Person

Patents Grantslast 30 patents

Storage system

Data restoring method and an apparatus using journal data and an id...

Automated on-line capacity expansion method for storage device

System and method for replicating data

Dynamic RAM

Automated on-line capacity expansion method for storage device

Data restoring method and an apparatus using journal data and an id...

Data reallocation among storage systems

Method for controlling storage system, and storage control apparatus

Automated on-line capacity expansion method for storage device

Clustered storage system and its control method

Computer system and a method of replication

Method of and a system for recovering data in an information proces...

Data restoring method and an apparatus using journal data and an id...

Method for controlling storage system, and storage control apparatus

System and method for replicating data

Automated on-line capacity expansion method for storage device

Method for controlling storage system, and storage control apparatus

Method and apparatus for data relocation between storage subsystems

Storage unit subsystem

Data restoring method and an apparatus using journal data and an id...

Data copy method

Computer system and a method of replication

Data reallocation among storage systems

Storage system

Method for controlling storage system, and storage control apparatus

Data restoring method and an apparatus using journal data and an id...

Remote copy for a storage controller with reduced data size

Storage system

Method and apparatus for data relocation between storage subsystems

Patents Applicationslast 30 patents

AUTOMATED ON-LINE CAPACITY EXPANSION METHOD FOR STORAGE DEVICE

DATA RESTORING METHOD AND AN APPARATUS USING JOURNAL DATA AND AN ID...

AUTOMATED ON-LINE CAPACITY EXPANSION METHOD FOR STORAGE DEVICE

System and Method for Replicating Data

DATA RESTORING METHOD AND AN APPARATUS USING JOURNAL DATA AND AN ID...

METHOD FOR CONTROLLING STORAGE SYSTEM, AND STORAGE CONTROL APPARATUS

AUTOMATED ON-LINE CAPACITY EXPANSION METHOD FOR STORAGE DEVICE

Computer system and a method of replication

Storage System

Data reallocation among storage systems

Method and apparatus for data relocation between storage subsystems

Data restoring method and an apparatus using journal data and an id...

Remote copy for a storage controller with reduced data size

Method for controlling storage system, and storage control apparatus

Method for controlling storage system, and storage control apparatus

Data restoring method and an apparatus using journal data and an id...

Method and apparatus for data relocation between storage subsystems

Computer system and a method of replication

Method of and a system for recovering data in an information proces...

Method for controlling storage system, and storage control apparatus

Method and apparatus for data relocation between storage subsystems

Automated on-line capacity expansion method for storage device

Method of managing generation of backup data and storage control de...

Storage unit subsystem

Information processing system and storage area allocating method

Data reallocation among storage systems

Data restoring method and an apparatus using journal data and an id...

Automated on-line capacity expansion method for storage device

Storage system

Method of managing generation of backup data and storage control de...