Inventor
ARAI KOUJI
JP65 patents
⚠️ This page may combine multiple inventors who share the name “ARAI KOUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
47 patentsUS6725328B2Apr 20, 2004
Automated on-line capacity expansion method for storage device
HITACHI LTD91 citations99
US6681303B1Jan 20, 2004
Storage system
HITACHI LTD176 citations99
US7051121B2May 23, 2006
Method for controlling storage system, and storage control apparatus
HITACHI LTD75 citations98
US6895483B2May 17, 2005
Method and apparatus for data relocation between storage subsystems
HITACHI LTD76 citations98
US6766430B2Jul 20, 2004
Data reallocation among storage systems
HITACHI LTD95 citations98
US6658434B1Dec 2, 2003
Method of and a system for recovering data in an information processing system
HITACHI LTD92 citations98
US6031779AFeb 29, 2000
Dynamic memory
HITACHI LTD91 citations98
US7185227B2Feb 27, 2007
Data restoring method and an apparatus using journal data and an identification information
HITACHI LTD46 citations96
US6836819B2Dec 28, 2004
Automated on-line capacity expansion method for storage device
HITACHI LTD31 citations96
US6763442B2Jul 13, 2004
Data reallocation among storage systems
HITACHI LTD53 citations96
US6643667B1Nov 4, 2003
System and method for replicating data
HITACHI LTD50 citations96
US7549083B2Jun 16, 2009
Data restoring method and an apparatus using journal data and an identification information
HITACHI LTD13 citations93
US7305584B2Dec 4, 2007
Data restoring method and an apparatus using journal data and an identification information
HITACHI LTD14 citations93
US7209986B2Apr 24, 2007
Method for controlling storage system, and storage control apparatus
HITACHI LTD15 citations93
US6976140B2Dec 13, 2005
Computer system and a method of replication
HITACHI LTD17 citations93
US5682396AOct 28, 1997
Control unit in storage subsystem with improvement of redundant data updating
HITACHI LTD26 citations93
US5564116AOct 8, 1996
Array type storage unit system
HITACHI LTD31 citations93
US6922763B2Jul 26, 2005
Method and apparatus for storage system
HITACHI LTD28 citations92
US6832272B2Dec 14, 2004
Clustering storage system
HITACHI LTD21 citations89
US7761677B2Jul 20, 2010
Clustered storage system and its control method
HITACHI LTD16 citations84
US7689611B2Mar 30, 2010
Method of and a system for recovering data in an information processing system
HITACHI LTD11 citations84
US7451164B2Nov 11, 2008
System and method for replicating data
HITACHI LTD10 citations84
US7254620B2Aug 7, 2007
Storage system
HITACHI LTD15 citations84
US7120673B2Oct 10, 2006
Computer storage system providing virtualized storage
HITACHI LTD16 citations84
US5831910ANov 3, 1998
Semiconductor integrated circuit utilizing overdriven differential amplifiers
HITACHI LTD19 citations83
US5917999AJun 29, 1999
Storage unit subsystem
HITACHI LTD13 citations82
US8028127B2Sep 27, 2011
Automated on-line capacity expansion method for storage device
HITACHI LTD3 citations74
US7930474B2Apr 19, 2011
Automated on-line capacity expansion method for storage device
HITACHI LTD5 citations74
US7457899B2Nov 25, 2008
Method for controlling storage system, and storage control apparatus
HITACHI LTD8 citations74
US7447832B2Nov 4, 2008
Automated on-line capacity expansion method for storage device
HITACHI LTD6 citations74
US7412543B2Aug 12, 2008
Method for controlling storage system, and storage control apparatus
HITACHI LTD8 citations74
US7260696B2Aug 21, 2007
Data reallocation among storage systems
HITACHI LTD9 citations74
US7162598B2Jan 9, 2007
Storage system
HITACHI LTD9 citations74
US7007147B2Feb 28, 2006
Method and apparatus for data relocation between storage subsystems
HITACHI LTD4 citations74
US6834289B2Dec 21, 2004
Information processing system and storage area allocating method
HITACHI LTD12 citations74
US6538946B2Mar 25, 2003
Semiconductor integrated circuit device
HITACHI LTD12 citations74
US6327673B1Dec 4, 2001
Storage unit subsystem
HITACHI LTD10 citations74
US6145091ANov 7, 2000
Storage unit subsystem
HITACHI LTD6 citations74
US5751937AMay 12, 1998
Array type storage unit system
HITACHI LTD8 citations74
US7953949B2May 31, 2011
Data reallocation among storage systems
HITACHI LTD1 citations63
US7937513B2May 3, 2011
Method for controlling storage system, and storage control apparatus
HITACHI LTD3 citations63
US7337292B2Feb 26, 2008
Method and apparatus for data relocation between storage subsystems
HITACHI LTD2 citations63
US7320089B2Jan 15, 2008
Storage unit subsystem
HITACHI LTD3 citations63
US7281099B2Oct 9, 2007
Computer system and a method of replication
HITACHI LTD2 citations63
US7167962B2Jan 23, 2007
Remote copy for a storage controller with reduced data size
HITACHI LTD3 citations63
US7117329B2Oct 3, 2006
Method of managing generation of backup data and storage control device used therefor
HITACHI LTD3 citations63
US7017019B2Mar 21, 2006
Method of managing generation of backup data and storage control device used therefor
HITACHI LTD3 citations63
NEC CORP
1 patentVICTOR COMPANY OF JAPAN
1 patentTAKAHASHI TSUTOMU
1 patentShowing the top 50 of 65 patents by PatentIndex Score.