Inventor · disambiguated record
Shunji Kawamura
Also filed as: KAWAMURA SHUNJI
52 granted patents·13 pending applications·459 citations·filing 2002–2022
98Inventor score
Top patents by PatentIndex Score
65 records- 0198US7640390B2Flash memory storage systemHITACHI LTD·Filed 2006·Granted Dec 29, 2009·82 cites·19 claims
- 0298US7328373B2Data processing systemHITACHI LTD·Filed 2006·Granted Feb 5, 2008·80 cites·39 claims
- 0397US10185624B2Distributed storage systemHITACHI LTD·Filed 2017·Granted Jan 22, 2019·37 cites·14 claims
- 0495US7461196B2Computer system having an expansion device for virtualizing a migration source logical unitHITACHI LTD·Filed 2006·Granted Dec 2, 2008·33 cites·20 claims
- 0590US7861052B2Computer system having an expansion device for virtualizing a migration source logical unitHITACHI LTD·Filed 2008·Granted Dec 28, 2010·16 cites·7 claims
- 0690US7788532B2Storage controller, and control method of the sameHITACHI LTD·Filed 2008·Granted Aug 31, 2010·24 cites·14 claims
- 0790US7469327B2System and method for restricting access to logical volumesHITACHI LTD·Filed 2005·Granted Dec 23, 2008·21 cites·22 claims
- 0888US7802137B2Journaling system switching to another logical volume to store subsequently received update historyHITACHI LTD·Filed 2007·Granted Sep 21, 2010·14 cites·23 claims
- 0983US8832395B1Storage system, and method of storage control for storage systemHITACHI LTD·Filed 2013·Granted Sep 9, 2014·7 cites·7 claims
- 1082US10592268B2Management computer and resource management method configured to combine server resources and storage resources and allocate the combined resources to virtual machinesHITACHI LTD·Filed 2015·Granted Mar 17, 2020·4 cites·8 claims
- 1179US10067882B2Storage system and storage control methodHITACHI LTD·Filed 2015·Granted Sep 4, 2018·3 cites·13 claims
- 1279US8316203B2Storage system and method implementing online volume and snapshot with performance/failure independence and high capacity efficiencyEGUCHI YOSHIAKI·Filed 2009·Granted Nov 20, 2012·8 cites·7 claims
- 1379US7243189B2Data processing system and methodHITACHI LTD·Filed 2005·Granted Jul 10, 2007·10 cites·15 claims
- 1478US11886294B2Distributed storage systemHITACHI LTD·Filed 2022·Granted Jan 30, 2024·0 cites·10 claims
- 1577US8015351B2Computer system having an expansion device for virtualizing a migration source logical unitHITACHI LTD·Filed 2010·Granted Sep 6, 2011·3 cites·4 claims
- 1675US7472173B2Remote data copying among storage systemsHITACHI LTD·Filed 2004·Granted Dec 30, 2008·17 cites·6 claims
- 1774US7454582B2Initial copy systemHITACHI LTD·Filed 2005·Granted Nov 18, 2008·7 cites·20 claims
- 1874US7290108B2Information processing system having volume guard functionHITACHI LTD·Filed 2005·Granted Oct 30, 2007·5 cites·20 claims
- 1973US8195865B2Computer system having an expansion device for virtualizing a migration source logical unitKAWAMURA SHUNJI·Filed 2011·Granted Jun 5, 2012·2 cites·20 claims
- 2072US11487619B2Distributed storage systemHITACHI LTD·Filed 2021·Granted Nov 1, 2022·0 cites·12 claims
- 2172US7509455B2Information processing system having volume guard functionHITACHI LTD·Filed 2007·Granted Mar 24, 2009·4 cites·11 claims
- 2271US8046549B2Storage controller, control method of the same, and information processing systemHITACHI LTD·Filed 2008·Granted Oct 25, 2011·5 cites·11 claims
- 2370US8090923B2Storage system and control method for the sameKAWAMURA SHUNJI·Filed 2008·Granted Jan 3, 2012·4 cites·16 claims
- 2470US8037245B2Storage systemHITACHI LTD·Filed 2008·Granted Oct 11, 2011·4 cites·12 claims
- 2570US7970995B2Storage systemHITACHI LTD·Filed 2008·Granted Jun 28, 2011·4 cites·2 claims
- 2670US7702852B2Storage system for suppressing failures of storage media groupHITACHI LTD·Filed 2006·Granted Apr 20, 2010·5 cites·8 claims
- 2769US7783922B2Storage controller, and storage device failure detection methodHITACHI LTD·Filed 2008·Granted Aug 24, 2010·4 cites·15 claims
- 2868US7124294B2Electronic certificate systemHITACHI LTD·Filed 2002·Granted Oct 17, 2006·13 cites·37 claims
- 2967US11036585B2Distributed storage systemHITACHI LTD·Filed 2019·Granted Jun 15, 2021·0 cites·9 claims
- 3067US7536444B2Remote copying system and remote copying methodHITACHI LTD·Filed 2004·Granted May 19, 2009·12 cites·15 claims
- 3166US8166241B2Method of improving efficiency of capacity of volume used for copy function and apparatus thereofSUGIMOTO SADAHIRO·Filed 2005·Granted Apr 24, 2012·3 cites·19 claims
- 3265US8725981B2Storage system and method implementing online volume and snapshot with performance/failure independence and high capacity efficiencyHITACHI LTD·Filed 2012·Granted May 13, 2014·1 cites·14 claims
- 3364US7987329B2Storage system and method of controlling the sameHITACHI LTD·Filed 2008·Granted Jul 26, 2011·2 cites·10 claims
- 3464US7461224B2Remote copy systemHITACHI LTD·Filed 2006·Granted Dec 2, 2008·6 cites·19 claims
- 3563US10496479B2Distributed storage systemHITACHI LTD·Filed 2018·Granted Dec 3, 2019·0 cites·14 claims
- 3663US8635424B2Storage system and control method for the sameKAWAMURA SHUNJI·Filed 2011·Granted Jan 21, 2014·1 cites·13 claims
- 3762US7908447B2Storage apparatus and volume restoration methodHITACHI LTD·Filed 2008·Granted Mar 15, 2011·2 cites·10 claims
- 3862US7752409B2Storage system and computer system and processing method thereofHITACHI LTD·Filed 2006·Granted Jul 6, 2010·2 cites·6 claims
- 3961US8924637B2Flash memory storage systemHITACHI LTD·Filed 2012·Granted Dec 30, 2014·1 cites·6 claims
- 4061US7143253B2Remote copy systemHITACHI LTD·Filed 2004·Granted Nov 28, 2006·6 cites·18 claims
- 4160US8359426B2Flash memory storage systemHITACHI LTD·Filed 2012·Granted Jan 22, 2013·1 cites·25 claims
- 4260US7899981B2Flash memory storage systemHITACHI LTD·Filed 2009·Granted Mar 1, 2011·2 cites·19 claims
- 4359US8166235B2Flash memory storage systemIWAMURA TAKASHIGE·Filed 2011·Granted Apr 24, 2012·1 cites·51 claims
- 4456US2016371145A1Distributed storage systemHITACHI LTD·Filed 2015·Application pending·0 cites
- 4554US2009150606A1Information processing system having volume guard functionMARUYAMA TETSUYA·Filed 2009·Application pending·0 cites
- 4653US8447924B2Computer system having an expansion device for virtualizing a migration source wherein the operation mode of the computer is set to a cache through or write after modeKAWAMURA SHUNJI·Filed 2012·Granted May 21, 2013·0 cites·7 claims
- 4753US2009106400A1Remote data copying among storage systemsMARUYAMA TETSUYA·Filed 2008·Application pending·0 cites
- 4851US8255646B2Storage apparatus and logical volume migration methodTSUBOKI MASANAO·Filed 2008·Granted Aug 28, 2012·1 cites·8 claims
- 4950US8504765B2Method of improving efficiency of capacity of volume used for copy function and apparatus thereofSUGIMOTO SADAHIRO·Filed 2012·Granted Aug 6, 2013·0 cites·12 claims
- 5050US7594066B2Storage system comprising non-volatile memory devices with internal and external refresh processingHITACHI LTD·Filed 2006·Granted Sep 22, 2009·2 cites·10 claims
Showing the top 50 of 65 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →