Etsutaro Akagawa

Person

Tokyo, JP

People

Patents Grantslast 30 patents

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
File server for migration of file and method for migrating file
- Patent number 8,868,523
- Issue date Oct 21, 2014
- Hitachi, Ltd.
- Masakuni Agetsuma
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
File server, file server log management system and file server log...
- Patent number 8,869,285
- Issue date Oct 21, 2014
- Hitachi, Ltd.
- Akitsugu Kanda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Computer and data management method by the computer
- Patent number 8,612,495
- Issue date Dec 17, 2013
- Hitachi, Ltd.
- Etsutaro Akagawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
File server for migration of file and method for migrating file
- Patent number 8,583,611
- Issue date Nov 12, 2013
- Hitachi, Ltd.
- Masakuni Agetsuma
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Storage system and its operation method
- Patent number 8,521,693
- Issue date Aug 27, 2013
- Hitachi, Ltd.
- Akira Ito
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Computer, its processing method, and computer system
- Patent number 8,407,185
- Issue date Mar 26, 2013
- Hitachi, Ltd.
- Etsutaro Akagawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
File control system and file control computer for use in said system
- Patent number 8,380,764
- Issue date Feb 19, 2013
- Hitachi, Ltd.
- Etsutaro Akagawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Storage system and method for operating storage system
- Patent number 8,332,600
- Issue date Dec 11, 2012
- Hitachi, Ltd.
- Akira Ito
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Computer system and recording medium
- Patent number 8,285,749
- Issue date Oct 9, 2012
- Hitachi, Ltd.
- Shinya Matsumoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Information processing apparatus and information processing method
- Patent number 7,921,093
- Issue date Apr 5, 2011
- Hitachi, Ltd.
- Etsutaro Akagawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
File server for performing cache prefetching in cooperation with se...
- Patent number 7,827,178
- Issue date Nov 2, 2010
- Hitachi, Ltd.
- Yohsuke Ishii
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and system for controlling access to tape media from a plura...
- Patent number 7,716,417
- Issue date May 11, 2010
- Hitachi, Ltd.
- Etsutaro Akagawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Computer system and data backup method in computer system
- Patent number 7,587,506
- Issue date Sep 8, 2009
- Hitachi, Ltd.
- Takahiro Nakano
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
File server, file server log management system and file server log...
- Patent number 7,506,375
- Issue date Mar 17, 2009
- Hitachi, Ltd.
- Akitsugu Kanda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System for creating a virtual file server to provide data files
- Patent number 7,242,499
- Issue date Jul 10, 2007
- Hitachi, Ltd.
- Akitsugu Kanda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Fault notification based on volume access control information
- Patent number 7,234,020
- Issue date Jun 19, 2007
- Hitachi, Ltd.
- Etsutaro Akagawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Storage system performing remote copying bypassing controller
- Patent number 7,085,954
- Issue date Aug 1, 2006
- Hitachi, Ltd.
- Hiroshi Furukawa
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
STORAGE SYSTEM AND CONTROL METHOD THEREFOR
- Publication number 20180052730
- Publication date Feb 22, 2018
- Hitachi, Ltd
- Mioko MORIGUCHI
- 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
FILE SERVER FOR MIGRATION OF FILE AND METHOD FOR MIGRATING FILE
- Publication number 20140122547
- Publication date May 1, 2014
- Hitachi, Ltd
- Masakuni Agetsuma
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
COMPUTER AND METHOD FOR CONTROLLING COMPUTER
- Publication number 20130290623
- Publication date Oct 31, 2013
- Hitachi ,Ltd.
- Etsutaro Akagawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
COMPUTER AND DATA MANAGEMENT METHOD BY THE COMPUTER
- Publication number 20120311002
- Publication date Dec 6, 2012
- Hitachi, Ltd
- Etsutaro Akagawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
FILE SERVER FOR MIGRATION OF FILE AND METHOD FOR MIGRATING FILE
- Publication number 20120101995
- Publication date Apr 26, 2012
- Hitachi, Ltd.
- Masakuni Agetsuma
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
STORAGE SYSTEM AND ITS OPERATION METHOD
- Publication number 20120101973
- Publication date Apr 26, 2012
- Hitachi, Ltd.
- Akira Ito
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
COMPUTER SYSTEM AND RECORDING MEDIUM
- Publication number 20120005233
- Publication date Jan 5, 2012
- Hitachi, Ltd
- Shinya Matsumoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
COMPUTER, ITS PROCESSING METHOD, AND COMPUTER SYSTEM
- Publication number 20110191306
- Publication date Aug 4, 2011
- Hitachi, Ltd
- Etsutaro Akagawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
HIERARCHICAL STORAGE SYSTEM AND COPY CONTROL METHOD OF FILE FOR HIE...
- Publication number 20110035409
- Publication date Feb 10, 2011
- Hitachi, Ltd.
- Akio SHIMADA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
FILE CONTROL SYSTEM AND FILE CONTROL COMPUTER FOR USE IN SAID SYSTEM
- Publication number 20100262637
- Publication date Oct 14, 2010
- Hitachi, Ltd.
- Etsutaro Akagawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Storage system and method for operating storage system
- Publication number 20100070724
- Publication date Mar 18, 2010
- Hitachi, Ltd.
- Akira ITO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Storage device and method of controlling same
- Publication number 20090240899
- Publication date Sep 24, 2009
- HITACHI LTD.
- Etsutaro Akagawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
File server, file server log management system and file server log...
- Publication number 20090150455
- Publication date Jun 11, 2009
- Hitachi, Ltd.
- Akitsugu Kanda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
FILE SERVER FOR PERFORMING CACHE PREFETCHING IN COOPERATION WITH SE...
- Publication number 20080306917
- Publication date Dec 11, 2008
- Yohsuke ISHII
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INFORMATION PROCESSING APPARATUS AND INFORMATION PROCESSING METHOD
- Publication number 20080294704
- Publication date Nov 27, 2008
- Etsutaro Akagawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
STORAGE SUBSYSTEM, STORAGE SYSTEM, AND COMMUNICATION CONTROL METHOD
- Publication number 20080288825
- Publication date Nov 20, 2008
- Hiroshi FURUKAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMPUTER SYSTEM, ROOT NODE, AND LOG MANAGEMENT METHOD FOR ACCESS PA...
- Publication number 20080263222
- Publication date Oct 23, 2008
- Keiichi MATSUZAWA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and system for controlling access to tape media from a plura...
- Publication number 20080022038
- Publication date Jan 24, 2008
- Hitachi, Ltd
- Etsutaro Akagawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Fault notification based on volume access control information
- Publication number 20070214253
- Publication date Sep 13, 2007
- Hitachi, Ltd
- Etsutaro Akagawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
File server, file server log management system and file server log...
- Publication number 20070118575
- Publication date May 24, 2007
- Hitachi, Ltd.
- Akitsugu Kanda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Storage system and method of controlling storage system
- Publication number 20070094235
- Publication date Apr 26, 2007
- Hitachi, Ltd.
- Etsutaro Akagawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Computer system, log collection method and computer program product
- Publication number 20060225073
- Publication date Oct 5, 2006
- Etsutaro Akagawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Computer system and data backup method in computer system
- Publication number 20060206747
- Publication date Sep 14, 2006
- Takahiro Nakano
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Computer system and storage device
- Publication number 20060190558
- Publication date Aug 24, 2006
- Akitsugu Kanda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Computer system
- Publication number 20060074943
- Publication date Apr 6, 2006
- Takahiro Nakano
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Computer system and computer setting method
- Publication number 20060036716
- Publication date Feb 16, 2006
- Hitachi, Ltd
- Etsutaro Akagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Setting information holding storage system
- Publication number 20060007491
- Publication date Jan 12, 2006
- Hitachi, Ltd
- Akitsugu Kanda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Computer system including file sharing device and a migration method
- Publication number 20050256898
- Publication date Nov 17, 2005
- Etsutaro Akagawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Storage subsystem, storage system, and communication control method
- Publication number 20050120279
- Publication date Jun 2, 2005
- Hitachi, Ltd
- Hiroshi Furukawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Etsutaro Akagawa

Person

Patents Grantslast 30 patents

Computer system and control method of computer system

File server for migration of file and method for migrating file

File server, file server log management system and file server log...

Computer and data management method by the computer

File server for migration of file and method for migrating file

Storage system and its operation method

Computer, its processing method, and computer system

File control system and file control computer for use in said system

Storage system and method for operating storage system

Computer system and recording medium

Information processing apparatus and information processing method

File server for performing cache prefetching in cooperation with se...

Method and system for controlling access to tape media from a plura...

Computer system and data backup method in computer system

File server, file server log management system and file server log...

System for creating a virtual file server to provide data files

Fault notification based on volume access control information

Storage system performing remote copying bypassing controller

Patents Applicationslast 30 patents

STORAGE SYSTEM AND CONTROL METHOD THEREFOR

COMPUTER SYSTEM AND CONTROL METHOD OF COMPUTER SYSTEM

FILE SERVER FOR MIGRATION OF FILE AND METHOD FOR MIGRATING FILE

COMPUTER AND METHOD FOR CONTROLLING COMPUTER

COMPUTER AND DATA MANAGEMENT METHOD BY THE COMPUTER

FILE SERVER FOR MIGRATION OF FILE AND METHOD FOR MIGRATING FILE

STORAGE SYSTEM AND ITS OPERATION METHOD

COMPUTER SYSTEM AND RECORDING MEDIUM

COMPUTER, ITS PROCESSING METHOD, AND COMPUTER SYSTEM

HIERARCHICAL STORAGE SYSTEM AND COPY CONTROL METHOD OF FILE FOR HIE...

FILE CONTROL SYSTEM AND FILE CONTROL COMPUTER FOR USE IN SAID SYSTEM

Storage system and method for operating storage system

Storage device and method of controlling same

File server, file server log management system and file server log...

FILE SERVER FOR PERFORMING CACHE PREFETCHING IN COOPERATION WITH SE...

INFORMATION PROCESSING APPARATUS AND INFORMATION PROCESSING METHOD

STORAGE SUBSYSTEM, STORAGE SYSTEM, AND COMMUNICATION CONTROL METHOD

COMPUTER SYSTEM, ROOT NODE, AND LOG MANAGEMENT METHOD FOR ACCESS PA...

Method and system for controlling access to tape media from a plura...

Fault notification based on volume access control information

File server, file server log management system and file server log...

Storage system and method of controlling storage system

Computer system, log collection method and computer program product

Computer system and data backup method in computer system

Computer system and storage device

Computer system

Computer system and computer setting method

Setting information holding storage system

Computer system including file sharing device and a migration method

Storage subsystem, storage system, and communication control method