Inventor · disambiguated record
Kouji Arai
Also filed as: ARAI KOUJI
65 granted patents·6 pending applications·1,371 citations·filing 1982–2014
99Inventor score
Top patents by PatentIndex Score
71 records- 0196US6725328B2Automated on-line capacity expansion method for storage deviceHITACHI LTD·Filed 2001·Granted Apr 20, 2004·91 cites·6 claims
- 0294US7051121B2Method for controlling storage system, and storage control apparatusHITACHI LTD·Filed 2003·Granted May 23, 2006·75 cites·5 claims
- 0394US6895483B2Method and apparatus for data relocation between storage subsystemsHITACHI LTD·Filed 2002·Granted May 17, 2005·76 cites·17 claims
- 0494US6766430B2Data reallocation among storage systemsHITACHI LTD·Filed 2001·Granted Jul 20, 2004·95 cites·42 claims
- 0594US6658434B1Method of and a system for recovering data in an information processing systemHITACHI LTD·Filed 2000·Granted Dec 2, 2003·92 cites·12 claims
- 0693US6681303B1Storage systemHITACHI LTD·Filed 1999·Granted Jan 20, 2004·176 cites·33 claims
- 0791US7185227B2Data restoring method and an apparatus using journal data and an identification informationHITACHI LTD·Filed 2003·Granted Feb 27, 2007·46 cites·28 claims
- 0891US6763442B2Data reallocation among storage systemsHITACHI LTD·Filed 2002·Granted Jul 13, 2004·53 cites·29 claims
- 0990US6031779ADynamic memoryHITACHI LTD·Filed 1998·Granted Feb 29, 2000·91 cites·18 claims
- 1089US7305584B2Data restoring method and an apparatus using journal data and an identification informationHITACHI LTD·Filed 2006·Granted Dec 4, 2007·14 cites·41 claims
- 1189US7209986B2Method for controlling storage system, and storage control apparatusHITACHI LTD·Filed 2005·Granted Apr 24, 2007·15 cites·38 claims
- 1288US7549083B2Data restoring method and an apparatus using journal data and an identification informationHITACHI LTD·Filed 2006·Granted Jun 16, 2009·13 cites·6 claims
- 1388US6836819B2Automated on-line capacity expansion method for storage deviceHITACHI LTD·Filed 2004·Granted Dec 28, 2004·31 cites·6 claims
- 1488US6259330B1Ring oscillator having variable coarse and fine delaysNEC CORP·Filed 1999·Granted Jul 10, 2001·55 cites·8 claims
- 1585US6643667B1System and method for replicating dataHITACHI LTD·Filed 2000·Granted Nov 4, 2003·50 cites·37 claims
- 1683US7412543B2Method for controlling storage system, and storage control apparatusHITACHI LTD·Filed 2006·Granted Aug 12, 2008·8 cites·21 claims
- 1783US4520405AInsert recording system for a video signalVICTOR COMPANY OF JAPAN·Filed 1982·Granted May 28, 1985·31 cites·13 claims
- 1882US7457899B2Method for controlling storage system, and storage control apparatusHITACHI LTD·Filed 2006·Granted Nov 25, 2008·8 cites·20 claims
- 1980US6922763B2Method and apparatus for storage systemHITACHI LTD·Filed 2002·Granted Jul 26, 2005·28 cites·13 claims
- 2079US8028127B2Automated on-line capacity expansion method for storage deviceHITACHI LTD·Filed 2010·Granted Sep 27, 2011·3 cites·7 claims
- 2179US7930474B2Automated on-line capacity expansion method for storage deviceHITACHI LTD·Filed 2008·Granted Apr 19, 2011·5 cites·38 claims
- 2276US6976140B2Computer system and a method of replicationHITACHI LTD·Filed 2002·Granted Dec 13, 2005·17 cites·10 claims
- 2373US7007147B2Method and apparatus for data relocation between storage subsystemsHITACHI LTD·Filed 2005·Granted Feb 28, 2006·4 cites·8 claims
- 2472US7937513B2Method for controlling storage system, and storage control apparatusHITACHI LTD·Filed 2008·Granted May 3, 2011·3 cites·21 claims
- 2572US7254620B2Storage systemHITACHI LTD·Filed 2002·Granted Aug 7, 2007·15 cites·24 claims
- 2672US6832272B2Clustering storage systemHITACHI LTD·Filed 2001·Granted Dec 14, 2004·21 cites·12 claims
- 2771US7120673B2Computer storage system providing virtualized storageHITACHI LTD·Filed 2001·Granted Oct 10, 2006·16 cites·15 claims
- 2871US6327673B1Storage unit subsystemHITACHI LTD·Filed 2000·Granted Dec 4, 2001·10 cites·1 claims
- 2970US7761677B2Clustered storage system and its control methodHITACHI LTD·Filed 2002·Granted Jul 20, 2010·16 cites·32 claims
- 3070US6834289B2Information processing system and storage area allocating methodHITACHI LTD·Filed 2001·Granted Dec 21, 2004·12 cites·17 claims
- 3168US7689611B2Method of and a system for recovering data in an information processing systemHITACHI LTD·Filed 2003·Granted Mar 30, 2010·11 cites·17 claims
- 3268US7451164B2System and method for replicating dataHITACHI LTD·Filed 2003·Granted Nov 11, 2008·10 cites·33 claims
- 3368US7260696B2Data reallocation among storage systemsHITACHI LTD·Filed 2004·Granted Aug 21, 2007·9 cites·18 claims
- 3467US7337292B2Method and apparatus for data relocation between storage subsystemsHITACHI LTD·Filed 2007·Granted Feb 26, 2008·2 cites·11 claims
- 3566US7167962B2Remote copy for a storage controller with reduced data sizeHITACHI LTD·Filed 2005·Granted Jan 23, 2007·3 cites·5 claims
- 3666US7162598B2Storage systemHITACHI LTD·Filed 2003·Granted Jan 9, 2007·9 cites·8 claims
- 3765US7447832B2Automated on-line capacity expansion method for storage deviceHITACHI LTD·Filed 2004·Granted Nov 4, 2008·6 cites·24 claims
- 3865US7281099B2Computer system and a method of replicationHITACHI LTD·Filed 2005·Granted Oct 9, 2007·2 cites·10 claims
- 3964US5682396AControl unit in storage subsystem with improvement of redundant data updatingHITACHI LTD·Filed 1992·Granted Oct 28, 1997·26 cites·27 claims
- 4062US7953949B2Data reallocation among storage systemsHITACHI LTD·Filed 2007·Granted May 31, 2011·1 cites·7 claims
- 4161US6538946B2Semiconductor integrated circuit deviceHITACHI LTD·Filed 2001·Granted Mar 25, 2003·12 cites·38 claims
- 4261US5564116AArray type storage unit systemHITACHI LTD·Filed 1994·Granted Oct 8, 1996·31 cites·6 claims
- 4360US2014246092A1Silicon substrate and manufacturing method thereofPANASONIC CORP·Filed 2014·Application pending·0 cites
- 4458US6532549B2Storage unit subsystemHITACHI LTD·Filed 2001·Granted Mar 11, 2003·3 cites·6 claims
- 4558US5831910ASemiconductor integrated circuit utilizing overdriven differential amplifiersHITACHI LTD·Filed 1996·Granted Nov 3, 1998·19 cites·18 claims
- 4656US9397242B2Silicon substrate having textured surface, and process for producing sameTANIGUCHI YASUSHI·Filed 2012·Granted Jul 19, 2016·1 cites·11 claims
- 4755US7971097B2Data restoring method and an apparatus using journal data and an identification informationHITACHI LTD·Filed 2008·Granted Jun 28, 2011·0 cites·6 claims
- 4855US7320089B2Storage unit subsystemHITACHI LTD·Filed 2004·Granted Jan 15, 2008·3 cites·15 claims
- 4955US7117329B2Method of managing generation of backup data and storage control device used thereforHITACHI LTD·Filed 2004·Granted Oct 3, 2006·3 cites·20 claims
- 5055US7017019B2Method of managing generation of backup data and storage control device used thereforHITACHI LTD·Filed 2003·Granted Mar 21, 2006·3 cites·15 claims
Showing the top 50 of 71 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →