Inventor · disambiguated record
Yoshiaki Eguchi
Also filed as: EGUCHI YOSHIAKI
215 granted patents·22 pending applications·2,340 citations·filing 1979–2021
99Inventor score
Files withHITACHI LTD144SATOYAMA AI17EGUCHI YOSHIAKI15JANOME SEWING MACHINE CO LTD10IWAMURA TAKASHIGE4
Top patents by PatentIndex Score
237 records- 0199US9606745B2Storage system and method for allocating resourceHITACHI LTD·Filed 2016·Granted Mar 28, 2017·66 cites·18 claims
- 0298US7640390B2Flash memory storage systemHITACHI LTD·Filed 2006·Granted Dec 29, 2009·82 cites·19 claims
- 0398US7328373B2Data processing systemHITACHI LTD·Filed 2006·Granted Feb 5, 2008·80 cites·39 claims
- 0497US8984221B2Method for assigning storage area and computer system using the sameSATOYAMA AI·Filed 2011·Granted Mar 17, 2015·41 cites·4 claims
- 0596US7571348B2Storage system creating a recovery request point enabling execution of a recoveryHITACHI LTD·Filed 2006·Granted Aug 4, 2009·59 cites·16 claims
- 0695US8984248B2Data migration system and data migration methodHITACHI LTD·Filed 2013·Granted Mar 17, 2015·27 cites·6 claims
- 0795US7739540B2Information system, data transfer method and data protection methodHITACHI LTD·Filed 2007·Granted Jun 15, 2010·40 cites·14 claims
- 0895US7461196B2Computer system having an expansion device for virtualizing a migration source logical unitHITACHI LTD·Filed 2006·Granted Dec 2, 2008·33 cites·20 claims
- 0994US7051121B2Method for controlling storage system, and storage control apparatusHITACHI LTD·Filed 2003·Granted May 23, 2006·75 cites·5 claims
- 1094US6895483B2Method and apparatus for data relocation between storage subsystemsHITACHI LTD·Filed 2002·Granted May 17, 2005·76 cites·17 claims
- 1194US6766430B2Data reallocation among storage systemsHITACHI LTD·Filed 2001·Granted Jul 20, 2004·95 cites·42 claims
- 1293US7434017B2Storage system with virtual allocation and virtual relocation of volumesHITACHI LTD·Filed 2006·Granted Oct 7, 2008·34 cites·20 claims
- 1393US6944711B2Cache management method for storage deviceHITACHI LTD·Filed 2003·Granted Sep 13, 2005·86 cites·29 claims
- 1492US11165850B1Storage system and method of storing data in nodesHITACHI LTD·Filed 2020·Granted Nov 2, 2021·3 cites·12 claims
- 1592US9990313B2Storage apparatus and interface apparatusHITACHI LTD·Filed 2014·Granted Jun 5, 2018·22 cites·10 claims
- 1692US9201607B2Computer system and method for balancing usage rate of pool volumesHITACHI LTD·Filed 2014·Granted Dec 1, 2015·13 cites·20 claims
- 1792US7953947B2Creating a snapshot based on a marker transferred from a first storage system to a second storage systemHITACHI LTD·Filed 2010·Granted May 31, 2011·14 cites·10 claims
- 1892US7930509B2Data management method in storage pool and virtual volume in DKCHITACHI LTD·Filed 2010·Granted Apr 19, 2011·12 cites·11 claims
- 1992US7469315B2Storage controller, and method of controlling storage controller to improve the reliability of the storage controllerHITACHI LTD·Filed 2006·Granted Dec 23, 2008·25 cites·19 claims
- 2091US8880810B2Storage system comprising multiple storage apparatuses with both storage virtualization function and capacity virtualization functionHITACHI LTD·Filed 2013·Granted Nov 4, 2014·12 cites·17 claims
- 2191US8769235B2Computing system having a controller for controlling allocation of a storage area of a logical volume in a pool to a virtual volume and controlling methods for the sameHITACHI LTD·Filed 2013·Granted Jul 1, 2014·12 cites·20 claims
- 2291US7761684B2Data management method in storage pool and virtual volume in DKCHITACHI LTD·Filed 2005·Granted Jul 20, 2010·18 cites·16 claims
- 2391US7624241B2Storage subsystem and performance tuning methodHITACHI LTD·Filed 2006·Granted Nov 24, 2009·17 cites·7 claims
- 2491US7237076B2Method of maintaining a plurality of snapshots, server apparatus and storage apparatusHITACHI LTD·Filed 2003·Granted Jun 26, 2007·66 cites·19 claims
- 2591US7185227B2Data restoring method and an apparatus using journal data and an identification informationHITACHI LTD·Filed 2003·Granted Feb 27, 2007·46 cites·28 claims
- 2691US7155587B2Storage subsystem and performance tuning methodHITACHI LTD·Filed 2005·Granted Dec 26, 2006·18 cites·24 claims
- 2791US7127445B2Data mapping management apparatusHITACHI LTD·Filed 2002·Granted Oct 24, 2006·73 cites·6 claims
- 2891US6763442B2Data reallocation among storage systemsHITACHI LTD·Filed 2002·Granted Jul 13, 2004·53 cites·29 claims
- 2990US11496547B2Storage system node communicationHITACHI LTD·Filed 2021·Granted Nov 8, 2022·2 cites·10 claims
- 3090US7861052B2Computer system having an expansion device for virtualizing a migration source logical unitHITACHI LTD·Filed 2008·Granted Dec 28, 2010·16 cites·7 claims
- 3190US7802131B2Information system and data transfer methodHITACHI LTD·Filed 2007·Granted Sep 21, 2010·18 cites·12 claims
- 3290US7594137B2Storage system and data restoration method thereofHITACHI LTD·Filed 2006·Granted Sep 22, 2009·18 cites·23 claims
- 3389US8843724B2Computer system and storage control method of the sameSATOYAMA AI·Filed 2010·Granted Sep 23, 2014·11 cites·17 claims
- 3489US8549247B2Storage system, management method of the storage system, and programSATOYAMA AI·Filed 2010·Granted Oct 1, 2013·13 cites·19 claims
- 3589US8407417B2Storage system providing virtual volumesMATSUDA KEN·Filed 2009·Granted Mar 26, 2013·20 cites·21 claims
- 3689US7702851B2Logical volume transfer method and storage network systemHITACHI LTD·Filed 2006·Granted Apr 20, 2010·15 cites·28 claims
- 3789US7305584B2Data restoring method and an apparatus using journal data and an identification informationHITACHI LTD·Filed 2006·Granted Dec 4, 2007·14 cites·41 claims
- 3889US7209986B2Method for controlling storage system, and storage control apparatusHITACHI LTD·Filed 2005·Granted Apr 24, 2007·15 cites·38 claims
- 3988US8516215B2Computing system having a controller for controlling allocation of a storage area of a logical volume in a pool to a virtual volume and controlling methods for the sameSATOYAMA AI·Filed 2009·Granted Aug 20, 2013·14 cites·13 claims
- 4088US8386839B2Information system and data transfer methodHITACHI LTD·Filed 2011·Granted Feb 26, 2013·9 cites·11 claims
- 4188US8103843B2Snapshot systemSATOYAMA AI·Filed 2011·Granted Jan 24, 2012·8 cites·5 claims
- 4288US7870093B2Storage subsystemHITACHI LTD·Filed 2008·Granted Jan 11, 2011·14 cites·10 claims
- 4388US7802137B2Journaling system switching to another logical volume to store subsequently received update historyHITACHI LTD·Filed 2007·Granted Sep 21, 2010·14 cites·23 claims
- 4488US7549083B2Data restoring method and an apparatus using journal data and an identification informationHITACHI LTD·Filed 2006·Granted Jun 16, 2009·13 cites·6 claims
- 4587US8090979B2Information system and data transfer methodWATANABE YASUO·Filed 2010·Granted Jan 3, 2012·10 cites·15 claims
- 4687US7415586B2Data backup method and systemHITACHI LTD·Filed 2005·Granted Aug 19, 2008·15 cites·3 claims
- 4787US7337353B2Fault recovery method in a system having a plurality of storage systemsHITACHI LTD·Filed 2004·Granted Feb 26, 2008·43 cites·17 claims
- 4887USD285571SSewing machineJANOME SEWING MACHINE CO LTD·Filed 1983·Granted Sep 9, 1986·23 cites·1 claims
- 4986US7925914B2Information system, data transfer method and data protection methodHITACHI LTD·Filed 2010·Granted Apr 12, 2011·7 cites·15 claims
- 5086US7725668B2Computer system and snapshot creation method thereof, delaying snapshot creation until pending transfer between volumes is completeHITACHI LTD·Filed 2006·Granted May 25, 2010·12 cites·18 claims
Showing the top 50 of 237 patent records by PatentIndex Score.
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