Inventor
TAMURA KEISHI
JP39 patents
⚠️ This page may combine multiple inventors who share the name “TAMURA KEISHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
35 patentsUS9152337B2Oct 6, 2015
Storage apparatus and storage apparatus migration method
HITACHI LTD44 citations97
US6728848B2Apr 27, 2004
Method and system for backing up storage system data
HITACHI LTD91 citations97
US7143228B2Nov 28, 2006
Storage control system and method for storing block level data in internal or external storage control system based on control information via networks
HITACHI LTD55 citations96
US7337264B2Feb 26, 2008
Storage control system and method which converts file level data into block level data which is stored at different destinations based on metadata of files being managed
HITACHI LTD28 citations93
US7441095B2Oct 21, 2008
Storage system and storage controller
HITACHI LTD22 citations92
US7124258B2Oct 17, 2006
Storage system and storage device system
HITACHI LTD21 citations92
US7526618B2Apr 28, 2009
Storage control system
HITACHI LTD11 citations84
US7117331B2Oct 3, 2006
Storage control system
HITACHI LTD14 citations84
US8904133B1Dec 2, 2014
Storage apparatus and storage apparatus migration method
HITACHI LTD6 citations83
US7447859B2Nov 4, 2008
Method of performing active data copying processing, and storage subsystem and storage control apparatus for performing active data copying processing
HITACHI LTD6 citations74
US7421553B2Sep 2, 2008
Remote copy operation between different sort of storage system and storage device system
HITACHI LTD8 citations74
US7165157B2Jan 16, 2007
Method of performing active data copying processing, and storage subsystem and storage control apparatus for performing active data copying processing
HITACHI LTD8 citations74
US7424582B2Sep 9, 2008
Storage system, formatting method and computer program to enable high speed physical formatting
HITACHI LTD7 citations73
US7228397B2Jun 5, 2007
Method and system for backing up storage system data
HITACHI LTD6 citations73
US10394662B2Aug 27, 2019
Storage apparatus and storage apparatus migration method
HITACHI LTD1 citations72
US10191685B2Jan 29, 2019
Storage system, storage device, and data transfer method
HITACHI LTD2 citations70
US7636818B2Dec 22, 2009
Storage virtualization system and method
HITACHI LTD5 citations63
US7493466B2Feb 17, 2009
Virtualization system for virtualizing disks drives of a disk array system
HITACHI LTD5 citations63
US7475213B2Jan 6, 2009
Storage control system and storage control method
HITACHI LTD4 citations63
US7237083B2Jun 26, 2007
Storage control system
HITACHI LTD2 citations63
US7966448B2Jun 21, 2011
Storage apparatus and data writing method
HITACHI LTD2 citations62
US7343464B2Mar 11, 2008
Storage controller and storage system
HITACHI LTD3 citations62
US7373474B2May 13, 2008
Storage system, configuration management method, and program
HITACHI LTD4 citations60
US7844794B2Nov 30, 2010
Storage system with cache threshold control
HITACHI LTD0 citations52
US7769968B2Aug 3, 2010
Storage control system
HITACHI LTD0 citations52
US7707357B2Apr 27, 2010
Storage control system and method having first and second channel control sections which convert file level data to block level data, judge whether block level data is to be stored in external storage and identifies save destination address of file level data based on metadata
HITACHI LTD0 citations52
US7587567B2Sep 8, 2009
Storage control system
HITACHI LTD0 citations52
US7519786B2Apr 14, 2009
Storage system, storage access restriction method and computer program product
HITACHI LTD1 citations52
US9846619B2Dec 19, 2017
Storage apparatus and storage apparatus migration method
HITACHI LTD0 citations51
US9003145B2Apr 7, 2015
Management server and data migration method
HITACHI LTD0 citations50
US9311012B2Apr 12, 2016
Storage system and method for migrating the same
HITACHI LTD0 citations42
US7673107B2Mar 2, 2010
Storage system and storage control device
HITACHI LTD0 citations41
US10248511B2Apr 2, 2019
Storage system having multiple local and remote volumes and multiple journal volumes using dummy journals for sequence control
HITACHI LTD0 citations38
US9680933B2Jun 13, 2017
Computer system
HITACHI LTD0 citations38
US10140035B2Nov 27, 2018
Method for appropriately controlling duplicated volumes in virtual volume subsystems
HITACHI LTD0 citations36