Inventor · disambiguated record
Akinobu Shimada
Also filed as: SHIMADA AKINOBU
55 granted patents·9 pending applications·1,351 citations·filing 1991–2013
99Inventor score
Top patents by PatentIndex Score
64 records- 0194US7653792B2Disk array apparatus including controller that executes control to move data between storage areas based on a data protection levelHITACHI LTD·Filed 2006·Granted Jan 26, 2010·32 cites·15 claims
- 0294US7051121B2Method for controlling storage system, and storage control apparatusHITACHI LTD·Filed 2003·Granted May 23, 2006·75 cites·5 claims
- 0394US6779078B2Data storage system and method of hierarchical control thereofHITACHI LTD·Filed 2001·Granted Aug 17, 2004·84 cites·5 claims
- 0493US7363446B2Storage system and storage control deviceHITACHI LTD·Filed 2007·Granted Apr 22, 2008·26 cites·26 claims
- 0593US7017076B2Apparatus and storage system for controlling acquisition of snapshotHITACHI LTD·Filed 2004·Granted Mar 21, 2006·66 cites·16 claims
- 0693US5235641AFile encryption method and file cryptographic systemHITACHI LTD·Filed 1991·Granted Aug 10, 1993·259 cites·15 claims
- 0791US7953942B2Storage system and operation method of storage systemHITACHI LTD·Filed 2010·Granted May 31, 2011·11 cites·5 claims
- 0891US7624241B2Storage subsystem and performance tuning methodHITACHI LTD·Filed 2006·Granted Nov 24, 2009·17 cites·7 claims
- 0991US7155587B2Storage subsystem and performance tuning methodHITACHI LTD·Filed 2005·Granted Dec 26, 2006·18 cites·24 claims
- 1089US7331000B2Apparatus and storage system for controlling acquisition of snapshotHITACHI LTD·Filed 2006·Granted Feb 12, 2008·17 cites·19 claims
- 1189US7209986B2Method for controlling storage system, and storage control apparatusHITACHI LTD·Filed 2005·Granted Apr 24, 2007·15 cites·38 claims
- 1288US6754792B2Method and apparatus for resynchronizing paired volumes via communication lineHITACHI LTD·Filed 2001·Granted Jun 22, 2004·48 cites·11 claims
- 1388US5584008AExternal storage unit comprising active and inactive storage wherein data is stored in an active storage if in use and archived to an inactive storage when not accessed in predetermined time by the host processorHITACHI LTD·Filed 1992·Granted Dec 10, 1996·124 cites·22 claims
- 1487US7363455B2Apparatus and method for partitioning and managing subsystem logicsHITACHI LTD·Filed 2005·Granted Apr 22, 2008·16 cites·20 claims
- 1587US6959360B2Data storage system and method of hierarchical control thereofHITACHI LTD·Filed 2004·Granted Oct 25, 2005·39 cites·12 claims
- 1684US8180979B2Storage system and operation method of storage systemINNAN MASATAKA·Filed 2009·Granted May 15, 2012·10 cites·44 claims
- 1784US7461293B2Apparatus and storage system for controlling acquisition of snapshotHITACHI LTD·Filed 2007·Granted Dec 2, 2008·10 cites·20 claims
- 1884US7398363B2Storage system and power source control method thereof, storage apparatus and data processing methodHITACHI LTD·Filed 2006·Granted Jul 8, 2008·14 cites·18 claims
- 1984US6115797AMethod and system for sharing storage device via mutually different interfacesHITACHI LTD·Filed 1997·Granted Sep 5, 2000·120 cites·20 claims
- 2083US7412543B2Method for controlling storage system, and storage control apparatusHITACHI LTD·Filed 2006·Granted Aug 12, 2008·8 cites·21 claims
- 2183US7111138B2Storage system and storage control deviceHITACHI LTD·Filed 2004·Granted Sep 19, 2006·29 cites·10 claims
- 2282US7475206B2Method for hierarchical control of data migration in a storage systemHITACHI LTD·Filed 2005·Granted Jan 6, 2009·9 cites·7 claims
- 2382US7457899B2Method for controlling storage system, and storage control apparatusHITACHI LTD·Filed 2006·Granted Nov 25, 2008·8 cites·20 claims
- 2480US8099387B2Managing consistency groups using heterogeneous replication enginesBOYD KENNETH WAYNE·Filed 2008·Granted Jan 17, 2012·10 cites·24 claims
- 2580US6813683B2Method and apparatus for copying data from a main site to a remote siteHITACHI LTD·Filed 2003·Granted Nov 2, 2004·24 cites·23 claims
- 2679US6981008B2Method for duplicating data of storage subsystem and data duplicating systemHITACHI LTD·Filed 2003·Granted Dec 27, 2005·23 cites·13 claims
- 2779US6978347B2Method and apparatus for re-synchronizing paired volumes via communication lineHITACHI LTD·Filed 2004·Granted Dec 20, 2005·22 cites·7 claims
- 2879US6735676B1Method and system for sharing storing device via mutually different interfacesHITACHI LTD·Filed 2000·Granted May 11, 2004·29 cites·4 claims
- 2978US8281098B2Storage subsystem and performance tuning methodEGUCHI YOSHIAKI·Filed 2011·Granted Oct 2, 2012·3 cites·10 claims
- 3076US7809906B2Device for performance tuning in a systemHITACHI LTD·Filed 2004·Granted Oct 5, 2010·14 cites·16 claims
- 3175US7305462B2Data storage system and control method thereofHITACHI LTD·Filed 2002·Granted Dec 4, 2007·18 cites·20 claims
- 3274US8108337B2Managing consistency groups using heterogeneous replication enginesBOYD KENNETH WAYNE·Filed 2008·Granted Jan 31, 2012·6 cites·29 claims
- 3374US8046554B2Storage subsystem and performance tuning methodHITACHI LTD·Filed 2010·Granted Oct 25, 2011·2 cites·14 claims
- 3474US7380032B2Storage system, and method for controlling the sameHITACHI LTD·Filed 2005·Granted May 27, 2008·5 cites·4 claims
- 3574US7249234B2Storage system and storage control deviceHITACHI LTD·Filed 2006·Granted Jul 24, 2007·5 cites·43 claims
- 3673US8484425B2Storage system and operation method of storage system including first and second virtualization devicesINNAN MASATAKA·Filed 2011·Granted Jul 9, 2013·2 cites·21 claims
- 3773US7069408B2Apparatus and method for partitioning and managing subsystem logicsHITACHI LTD·Filed 2003·Granted Jun 27, 2006·14 cites·16 claims
- 3873US7062629B2Apparatus and method for partitioning and managing subsystem logicsHITACHI LTD·Filed 2005·Granted Jun 13, 2006·5 cites·17 claims
- 3972US7937513B2Method for controlling storage system, and storage control apparatusHITACHI LTD·Filed 2008·Granted May 3, 2011·3 cites·21 claims
- 4071US8375235B2Storage systemHITACHI LTD·Filed 2012·Granted Feb 12, 2013·2 cites·9 claims
- 4171US7930502B2Disk array apparatus and control method for disk array apparatusHITACHI LTD·Filed 2010·Granted Apr 19, 2011·2 cites·12 claims
- 4271US7152149B2Disk array apparatus and control method for disk array apparatusHITACHI LTD·Filed 2004·Granted Dec 19, 2006·12 cites·32 claims
- 4369US7328320B2Storage system and method for acquisition and utilization of snapshotsHITACHI LTD·Filed 2006·Granted Feb 5, 2008·3 cites·20 claims
- 4468US5905995ADisk array subsystem with self-reallocation of logical volumes for reduction of I/O processing loadsHITACHI LTD·Filed 1996·Granted May 18, 1999·52 cites·8 claims
- 4567US8132033B2Storage systemINNAN MASATAKA·Filed 2008·Granted Mar 6, 2012·3 cites·12 claims
- 4666US7739463B2Storage system and method for acquisition and utilization of snapshotsHITACHI LTD·Filed 2008·Granted Jun 15, 2010·2 cites·8 claims
- 4763US7219192B2Storage system and method for a storage control apparatus using information on management of storage resourcesHITACHI LTD·Filed 2004·Granted May 15, 2007·8 cites·11 claims
- 4862US7028140B2Storage system and method for acquisition and utilization of snapshotsHITACHI LTD·Filed 2004·Granted Apr 11, 2006·6 cites·10 claims
- 4961US7167902B1Disk subsystems and their integrated systemHITACHI LTD·Filed 2000·Granted Jan 23, 2007·7 cites·11 claims
- 5060US7231465B2Storage system, and method for controlling the sameHITACHI LTD·Filed 2003·Granted Jun 12, 2007·5 cites·5 claims
Showing the top 50 of 64 patent records by PatentIndex Score.
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