Inventor · disambiguated record
Akira Deguchi
Also filed as: DEGUCHI AKIRA
100 granted patents·28 pending applications·294 citations·filing 2005–2025
99Inventor score
Top patents by PatentIndex Score
128 records- 0198US11836110B2Storage system, computer system, and control methodHITACHI LTD·Filed 2022·Granted Dec 5, 2023·14 cites·12 claims
- 0296US10963485B1Storage system and data replication method in storage systemHITACHI LTD·Filed 2020·Granted Mar 30, 2021·8 cites·8 claims
- 0396US7571348B2Storage system creating a recovery request point enabling execution of a recoveryHITACHI LTD·Filed 2006·Granted Aug 4, 2009·59 cites·16 claims
- 0496US7330948B2Method for remote copy pair migrationHITACHI LTD·Filed 2005·Granted Feb 12, 2008·59 cites·20 claims
- 0593US9760497B2Hierarchy memory managementHITACHI LTD·Filed 2016·Granted Sep 12, 2017·10 cites·20 claims
- 0692US11449263B1Backup system and methodHITACHI LTD·Filed 2021·Granted Sep 20, 2022·2 cites·12 claims
- 0790US12204799B2Storage system and memory control methodHITACHI LTD·Filed 2023·Granted Jan 21, 2025·1 cites·15 claims
- 0889US12229020B2Storage system and method of restoring storage systemHITACHI LTD·Filed 2023·Granted Feb 18, 2025·1 cites·9 claims
- 0989US7650477B2Method for changing a remote copy pairHITACHI LTD·Filed 2007·Granted Jan 19, 2010·18 cites·4 claims
- 1087US7945750B2Storage system and remote copy control method for storage systemHITACHI LTD·Filed 2006·Granted May 17, 2011·14 cites·17 claims
- 1186US8151013B2Storage systemSERIZAWA KAZUYOSHI·Filed 2011·Granted Apr 3, 2012·8 cites·6 claims
- 1284US8819371B2Storage systemHITACHI LTD·Filed 2012·Granted Aug 26, 2014·7 cites·7 claims
- 1383US8060468B2Storage system and data recovery methodDEGUCHI AKIRA·Filed 2008·Granted Nov 15, 2011·13 cites·15 claims
- 1482US11762729B2Apparatus and method for anomaly countermeasure decision, execution and evaluationHITACHI LTD·Filed 2021·Granted Sep 19, 2023·1 cites·9 claims
- 1581US9304828B2Hierarchy memory managementNAKAJIMA AKIO·Filed 2012·Granted Apr 5, 2016·5 cites·20 claims
- 1679US8347053B2Storage system and remote copy control method for storage systemHITACHI LTD·Filed 2012·Granted Jan 1, 2013·4 cites·10 claims
- 1778US11740823B2Storage system and storage control methodHITACHI LTD·Filed 2019·Granted Aug 29, 2023·2 cites·17 claims
- 1878US7529950B2Information processing system, control method for information processing system, and storage systemHITACHI LTD·Filed 2005·Granted May 5, 2009·9 cites·20 claims
- 1977US12298998B2Storage system and data replication method in storage systemHITACHI LTD·Filed 2023·Granted May 13, 2025·0 cites·11 claims
- 2076US12197760B2Backup system and methodHITACHI LTD·Filed 2023·Granted Jan 14, 2025·0 cites·17 claims
- 2175US9329999B2Storage system improving read performance by controlling data cachingHITACHI LTD·Filed 2014·Granted May 3, 2016·3 cites·2 claims
- 2275US8713577B2Storage apparatus and storage apparatus management method performing data I/O processing using a plurality of microprocessorsKUDO SHINTARO·Filed 2011·Granted Apr 29, 2014·5 cites·15 claims
- 2375US8200928B2Storage system and remote copy control method for storage systemARAKAWA HIROSHI·Filed 2011·Granted Jun 12, 2012·3 cites·3 claims
- 2474US10776035B2Storage system and storage control methodHITACHI LTD·Filed 2019·Granted Sep 15, 2020·1 cites·15 claims
- 2574US8380893B2Storage systemHITACHI LTD·Filed 2012·Granted Feb 19, 2013·2 cites·11 claims
- 2673US10050902B2Methods and apparatus for de-duplication and host based QoS in tiered storage systemHITACHI LTD·Filed 2013·Granted Aug 14, 2018·3 cites·10 claims
- 2772US12124726B2Data replication system and data replication methodHITACHI LTD·Filed 2023·Granted Oct 22, 2024·0 cites·7 claims
- 2872US11762574B2Backup system and methodHITACHI LTD·Filed 2022·Granted Sep 19, 2023·0 cites·28 claims
- 2972US9563383B2Storage system with primary and secondary data storage groups and control method thereofHITACHI LTD·Filed 2014·Granted Feb 7, 2017·3 cites·9 claims
- 3072US9400664B2Method and apparatus for offloading storage workloadSAKATA MASAYUKI·Filed 2012·Granted Jul 26, 2016·3 cites·14 claims
- 3172US8719524B2Storage system including flash drives for improving performance by controlling data cachingYOSHIHARA TOMOHIRO·Filed 2011·Granted May 6, 2014·3 cites·15 claims
- 3271US8307178B2Storage system, remote copy and management method thereforMAKI NOBUHIRO·Filed 2011·Granted Nov 6, 2012·2 cites·10 claims
- 3371US7689790B2Storage system, remote copy and management method thereforHITACHI LTD·Filed 2006·Granted Mar 30, 2010·4 cites·5 claims
- 3470US12411740B2Data control apparatus and data control methodHITACHI LTD·Filed 2023·Granted Sep 9, 2025·0 cites·9 claims
- 3570US12216930B2Remote copy system and remote copy methodHITACHI LTD·Filed 2023·Granted Feb 4, 2025·0 cites·14 claims
- 3670US7912996B2Storage systemHITACHI LTD·Filed 2008·Granted Mar 22, 2011·3 cites·16 claims
- 3769US9026754B2Storage apparatus and data management methodMATSUSHITA TAKAKI·Filed 2012·Granted May 5, 2015·3 cites·12 claims
- 3869US8935496B2Management method of virtual storage system and remote copy systemDEGUCHI AKIRA·Filed 2012·Granted Jan 13, 2015·2 cites·20 claims
- 3967US8275937B2Storage system and processing efficiency improving method of storage systemSERIZAWA KAZUYOSHI·Filed 2009·Granted Sep 25, 2012·4 cites·15 claims
- 4067US2025147703A1Storage system and memory control methodHITACHI VANTARA LTD·Filed 2025·Application pending·0 cites
- 4166US11704337B2Storage system and data replication method in storage systemHITACHI LTD·Filed 2021·Granted Jul 18, 2023·0 cites·8 claims
- 4266US10496294B2Data migration method and computer systemHITACHI LTD·Filed 2016·Granted Dec 3, 2019·1 cites·13 claims
- 4366US9170743B2Management method of virtual storage system and remote copy systemHITACHI LTD·Filed 2014·Granted Oct 27, 2015·1 cites·20 claims
- 4465US12293082B2Computer systemHITACHI LTD·Filed 2023·Granted May 6, 2025·0 cites·10 claims
- 4565US12222957B2Storage system and data backup processing method in storage systemHITACHI LTD·Filed 2023·Granted Feb 11, 2025·0 cites·4 claims
- 4665US7594086B2Storage system for copying data and storing in a plurality of storage devicesHITACHI LTD·Filed 2005·Granted Sep 22, 2009·3 cites·22 claims
- 4764US10572175B2Method and apparatus of shared storage between multiple cloud environmentsHITACHI LTD·Filed 2015·Granted Feb 25, 2020·1 cites·18 claims
- 4864US8327183B2Storage system creating a recovery request enabling execution of a recovery and comprising a switch that detects recovery request point eventsDEGUCHI AKIRA·Filed 2009·Granted Dec 4, 2012·2 cites·8 claims
- 4963US11199973B2Storage system, computer system, and control method for storage systemHITACHI LTD·Filed 2019·Granted Dec 14, 2021·0 cites·8 claims
- 5063US10185636B2Method and apparatus to virtualize remote copy pair in three data center configurationHITACHI LTD·Filed 2014·Granted Jan 22, 2019·1 cites·20 claims
Showing the top 50 of 128 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →