Inventor · disambiguated record
Kenji Muraoka
Also filed as: MURAOKA KENJI
55 granted patents·4 pending applications·1,792 citations·filing 1993–2025
99Inventor score
Top patents by PatentIndex Score
59 records- 0198US6523096B2Apparatus for and method of accessing a storage region across a networkHITACHI LTD·Filed 2001·Granted Feb 18, 2003·173 cites·19 claims
- 0297US6484245B1Apparatus for and method of accessing a storage region across a networkHITACHI LTD·Filed 1998·Granted Nov 19, 2002·215 cites·24 claims
- 0396US6877073B2Fiber channel connection storage controllerHITACHI LTD·Filed 2004·Granted Apr 5, 2005·85 cites·12 claims
- 0496US6742090B2Fiber channel connection storage controllerHITACHI LTD·Filed 2001·Granted May 25, 2004·90 cites·16 claims
- 0596US6728844B2Method for preventing unauthorized access to storage volumesHITACHI LTD·Filed 2001·Granted Apr 27, 2004·81 cites·4 claims
- 0696US6694413B1Computer system and snapshot data management method thereofHITACHI LTD·Filed 2000·Granted Feb 17, 2004·180 cites·23 claims
- 0796US6507896B2Protocol for use in accessing a storage region across a networkHITACHI LTD·Filed 2001·Granted Jan 14, 2003·94 cites·10 claims
- 0894US7558056B2Disk array deviceHITACHI LTD·Filed 2008·Granted Jul 7, 2009·15 cites·16 claims
- 0994US6912627B2Method of creating a storage area & storage deviceHITACHI LTD·Filed 2001·Granted Jun 28, 2005·94 cites·6 claims
- 1094US6535964B2Fiber channel connection storage controllerHITACHI LTD·Filed 2002·Granted Mar 18, 2003·62 cites·17 claims
- 1193US8275950B2Fiber channel connection storage controllerSANADA AKEMI·Filed 2011·Granted Sep 25, 2012·16 cites·50 claims
- 1293US7352571B2Disk array deviceHITACHI LTD·Filed 2006·Granted Apr 1, 2008·16 cites·28 claims
- 1393US6609180B2Fiber channel connection storage controllerHITACHI LTD·Filed 2001·Granted Aug 19, 2003·56 cites·24 claims
- 1489US7120016B2Disk array deviceHITACHI LTD·Filed 2005·Granted Oct 10, 2006·7 cites·20 claims
- 1587US7747800B2Storage system comprising power saving functionHITACHI LTD·Filed 2007·Granted Jun 29, 2010·13 cites·19 claims
- 1685US6480934B1Storage control unit and method for handling data storage system using thereofHITACHI LTD·Filed 1999·Granted Nov 12, 2002·107 cites·12 claims
- 1784US7953909B2Storage system comprising power saving functionHITACHI LTD·Filed 2010·Granted May 31, 2011·6 cites·20 claims
- 1884US6412078B2External storageHITACHI LTD·Filed 2001·Granted Jun 25, 2002·30 cites·2 claims
- 1983US7876557B2Disk array deviceHITACHI LTD·Filed 2009·Granted Jan 25, 2011·3 cites·17 claims
- 2083US6880058B2Computer system with storage system having re-configurable logical volumesHITACHI LTD·Filed 2001·Granted Apr 12, 2005·31 cites·5 claims
- 2182US7392336B2Connecting device of storage device and computer system including the same connecting deviceHITACHI LTD·Filed 2005·Granted Jun 24, 2008·9 cites·1 claims
- 2281US5720028AExternal storage systemHITACHI LTD·Filed 1996·Granted Feb 17, 1998·106 cites·20 claims
- 2380US6950304B2Disk array deviceHITACHI LTD·Filed 2003·Granted Sep 27, 2005·10 cites·25 claims
- 2480US6907500B2Data storage device management systemHITACHI LTD·Filed 2003·Granted Jun 14, 2005·25 cites·18 claims
- 2579US7299333B2Computer system with storage system having re-configurable logical volumesHITACHI LTD·Filed 2005·Granted Nov 20, 2007·8 cites·4 claims
- 2676US7457916B2Storage system, management server, and method of managing application thereofHITACHI LTD·Filed 2006·Granted Nov 25, 2008·7 cites·18 claims
- 2776US7441083B2Data storage device management systemHITACHI LTD·Filed 2005·Granted Oct 21, 2008·6 cites·21 claims
- 2875US8219748B2Storage system comprising both power saving and diagnostic functionsUEHARA GO·Filed 2007·Granted Jul 10, 2012·8 cites·14 claims
- 2974US8806125B2Storage system comprising power saving functionZIMOTO YOSHIFUMI·Filed 2012·Granted Aug 12, 2014·2 cites·38 claims
- 3074US7117336B2Computer system for managing storage areas in a plurality of storage devicesHITACHI LTD·Filed 2002·Granted Oct 3, 2006·20 cites·13 claims
- 3173US7953940B2Storage system and control method thereofHITACHI LTD·Filed 2008·Granted May 31, 2011·5 cites·12 claims
- 3273US6889286B2Storage control unit and method for handling data storage system using thereofHITACHI LTD·Filed 2002·Granted May 3, 2005·17 cites·20 claims
- 3372US8214606B2Storage system and control method thereofKEZUKA TEIKO·Filed 2011·Granted Jul 3, 2012·3 cites·12 claims
- 3472US7984227B2Connecting device of storage device and computer system including the same connecting deviceHITACHI LTD·Filed 2008·Granted Jul 19, 2011·4 cites·22 claims
- 3572US6052795ARecovery method and system for continued I/O processing upon a controller failureHITACHI LTD·Filed 1996·Granted Apr 18, 2000·51 cites·26 claims
- 3670US7606984B2Fiber channel connection storage controllerHITACHI LTD·Filed 2005·Granted Oct 20, 2009·2 cites·36 claims
- 3770US7020734B2Connecting device of storage device and computer system including the same connecting deviceHITACHI LTD·Filed 2003·Granted Mar 28, 2006·11 cites·17 claims
- 3868US8185667B2Storage system comprising power saving functionZIMOTO YOSHIFUMI·Filed 2011·Granted May 22, 2012·1 cites·14 claims
- 3968US6886075B2Memory device system and method for copying data in memory device systemHITACHI LTD·Filed 2002·Granted Apr 26, 2005·11 cites·7 claims
- 4065US2025211223A1Semiconductor device, electronic device and vehicleROHM CO LTD·Filed 2025·Application pending·0 cites
- 4164US8583877B2Fiber channel connection storage controllerSANADA AKEMI·Filed 2009·Granted Nov 12, 2013·1 cites·55 claims
- 4264US7386598B2Computer system with virtualization functionHITACHI LTD·Filed 2002·Granted Jun 10, 2008·9 cites·20 claims
- 4363US6941439B2Computer systemHITACHI LTD·Filed 2002·Granted Sep 6, 2005·9 cites·8 claims
- 4462US6877110B2Disk array systemHITACHI LTD·Filed 2001·Granted Apr 5, 2005·8 cites·9 claims
- 4561US7246212B2Memory device system and method for copying data in memory device systemHITACHI LTD·Filed 2004·Granted Jul 17, 2007·6 cites·12 claims
- 4661US6573406B2High-purity alkanolamines and their production processNIPPON CATALYTIC CHEM IND·Filed 2002·Granted Jun 3, 2003·2 cites·1 claims
- 4757US5784703AStorage system having logical subsystems configured in accordance with equally divided storage capacities, specified allotment rates, designated boundary positions or designated physical sizeHITACHI LTD·Filed 1993·Granted Jul 21, 1998·30 cites·21 claims
- 4856US11994889B2Overcurrent protection circuit, switch device, electronic apparatus, and vehicleROHM CO LTD·Filed 2022·Granted May 28, 2024·0 cites·10 claims
- 4955US6514908B1Method for exchange of catalystsNIPPON CATALYTIC CHEM IND·Filed 2000·Granted Feb 4, 2003·2 cites·2 claims
- 5052US6321346B1External storageHITACHI LTD·Filed 1999·Granted Nov 20, 2001·18 cites·16 claims
Showing the top 50 of 59 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →