Inventor · disambiguated record
Roy E. Clark
Also filed as: CLARK ROY · CLARK ROY E
73 granted patents·3,352 citations·filing 1996–2016
99Inventor score
Top patents by PatentIndex Score
73 records- 0199US8627138B1Data protection system and methodCLARK ROY E·Filed 2010·Granted Jan 7, 2014·325 cites·18 claims
- 0298US7676628B1Methods, systems, and computer program products for providing access to shared storage by computing grids and clusters with large numbers of nodesEMC CORP·Filed 2006·Granted Mar 9, 2010·119 cites·31 claims
- 0397US7680987B1Sub-page-granular cache coherency using shared virtual memory mechanismEMC CORP·Filed 2006·Granted Mar 16, 2010·105 cites·24 claims
- 0496US8904061B1Managing storage operations in a server cacheO'BRIEN III WALTER A·Filed 2011·Granted Dec 2, 2014·44 cites·20 claims
- 0596US6826582B1Method and system for using file systems for content managementEMC CORP·Filed 2001·Granted Nov 30, 2004·2.2k cites·21 claims
- 0695US10235291B1Methods and apparatus for multiple memory maps and multiple page caches in tiered memoryEMC CORP·Filed 2016·Granted Mar 19, 2019·12 cites·20 claims
- 0794US9478274B1Methods and apparatus for multiple memory maps and multiple page caches in tiered memoryEMC CORP·Filed 2014·Granted Oct 25, 2016·17 cites·20 claims
- 0894US8738857B1System and method for improving cache performanceCLARK ROY E·Filed 2011·Granted May 27, 2014·23 cites·21 claims
- 0993US9176902B1Data migration techniquesLONG MATTHEW·Filed 2012·Granted Nov 3, 2015·26 cites·19 claims
- 1092US9189387B1Combined memory and storage tieringEMC CORP·Filed 2013·Granted Nov 17, 2015·18 cites·20 claims
- 1192US7409525B1Implicit locks in a shared virtual memory systemEMC CORP·Filed 2006·Granted Aug 5, 2008·34 cites·22 claims
- 1291US9053033B1System and method for cache content sharingDERBEKO PHILIP·Filed 2011·Granted Jun 9, 2015·15 cites·21 claims
- 1391US9003106B1Crash consistencyEMC CORP·Filed 2013·Granted Apr 7, 2015·15 cites·15 claims
- 1491US8909886B1System and method for improving cache performance upon detecting a migration eventCLARK ROY E·Filed 2012·Granted Dec 9, 2014·15 cites·21 claims
- 1591US8725939B1System and method for improving cache performanceCLARK ROY E·Filed 2011·Granted May 13, 2014·13 cites·21 claims
- 1691US8099554B1System and method for flash-based data cachingSOLOMON ROBERT C·Filed 2007·Granted Jan 17, 2012·37 cites·17 claims
- 1791US7809888B1Content-aware caching techniquesEMC CORP·Filed 2005·Granted Oct 5, 2010·36 cites·4 claims
- 1891US7774645B1Techniques for mirroring data within a shared virtual memory systemEMC CORP·Filed 2006·Granted Aug 10, 2010·30 cites·22 claims
- 1990US10049046B1Methods and apparatus for memory tier page cache with zero fileEMC CORP·Filed 2014·Granted Aug 14, 2018·8 cites·15 claims
- 2090US9672148B1Methods and apparatus for direct cache-line access to attached storage with cacheEMC CORP·Filed 2014·Granted Jun 6, 2017·9 cites·20 claims
- 2187US9971709B1Data migration techniquesEMC IP HOLDING CO LLC·Filed 2015·Granted May 15, 2018·5 cites·25 claims
- 2286US10509731B1Methods and apparatus for memory tier page cache coloring hintsEMC CORP·Filed 2014·Granted Dec 17, 2019·5 cites·16 claims
- 2386US8738858B1System and method for improving cache performanceCLARK ROY E·Filed 2011·Granted May 27, 2014·8 cites·18 claims
- 2486US7020669B2Apparatus, method and system for writing data to network accessible file system while minimizing risk of cache data loss/ data corruptionEMC CORP·Filed 2001·Granted Mar 28, 2006·45 cites·42 claims
- 2585US9367453B1System and method for migrating cache dataCLARK ROY E·Filed 2011·Granted Jun 14, 2016·9 cites·15 claims
- 2685US8732342B1I/O scheduling system and methodCLARK ROY E·Filed 2011·Granted May 20, 2014·8 cites·15 claims
- 2785US7843866B1System and method for mirroring dataEMC CORP·Filed 2007·Granted Nov 30, 2010·13 cites·10 claims
- 2884US9268711B1System and method for improving cache performanceEMC CORP·Filed 2014·Granted Feb 23, 2016·6 cites·21 claims
- 2984US8977830B1Crash consistencyEMC CORP·Filed 2013·Granted Mar 10, 2015·6 cites·15 claims
- 3083US9104436B1Compile directives for memory managementEMC CORP·Filed 2014·Granted Aug 11, 2015·6 cites·19 claims
- 3182US10235054B1System and method utilizing a cache free list and first and second page caches managed as a single cache in an exclusive mannerEMC CORP·Filed 2014·Granted Mar 19, 2019·6 cites·11 claims
- 3281US8683167B1System and method for improving cache performanceCLARK ROY E·Filed 2010·Granted Mar 25, 2014·5 cites·16 claims
- 3381US8099549B1System and method for erasure encodingMADNANI KIRAN·Filed 2007·Granted Jan 17, 2012·10 cites·20 claims
- 3480US9009416B1System and method for managing cache system content directoriesDERBEKO PHILIP·Filed 2011·Granted Apr 14, 2015·6 cites·18 claims
- 3580US8301853B1System and method for asynchronously mirroring dataMADNANI KIRAN·Filed 2007·Granted Oct 30, 2012·10 cites·16 claims
- 3679US8914583B1System and method for improving cache performanceCLARK ROY E·Filed 2012·Granted Dec 16, 2014·4 cites·21 claims
- 3779US8886845B1I/O scheduling system and methodEMC CORP·Filed 2014·Granted Nov 11, 2014·4 cites·21 claims
- 3879US8099550B1System and method for single instance storageMADNANI KIRAN·Filed 2007·Granted Jan 17, 2012·9 cites·8 claims
- 3978US8527703B1Cache management system and methodCLARK ROY E·Filed 2009·Granted Sep 3, 2013·7 cites·15 claims
- 4073US8929369B1System and method for striping / mirroring dataSHAIN RANDALL H·Filed 2009·Granted Jan 6, 2015·7 cites·20 claims
- 4173US8595438B1System and method for improving cache performanceCLARK ROY E·Filed 2010·Granted Nov 26, 2013·3 cites·21 claims
- 4271US8131930B1System and method for improving cache efficiencyCLARK ROY·Filed 2008·Granted Mar 6, 2012·5 cites·20 claims
- 4371US7600088B1Techniques for providing storage array services to a cluster of nodes using portal devicesEMC CORP·Filed 2006·Granted Oct 6, 2009·7 cites·22 claims
- 4470US9495292B1Cache managementEMC CORP·Filed 2013·Granted Nov 15, 2016·2 cites·20 claims
- 4569US8990533B1Crash consistencyEMC CORP·Filed 2012·Granted Mar 24, 2015·2 cites·20 claims
- 4669US8966190B1System and method for assigning control of a logical unit numberCLARK ROY E·Filed 2012·Granted Feb 24, 2015·2 cites·21 claims
- 4768US10788994B1Disaggregation of flash managementEMC IP HOLDING CO LLC·Filed 2014·Granted Sep 29, 2020·2 cites·20 claims
- 4868US9208098B1System and method for improving cache performanceCLARK ROY E·Filed 2011·Granted Dec 8, 2015·2 cites·18 claims
- 4967US9858193B1System and method for apportioning storageEMC IP HOLDING CO LLC·Filed 2016·Granted Jan 2, 2018·1 cites·20 claims
- 5066US9367452B1System and method for apportioning storageCLARK ROY E·Filed 2011·Granted Jun 14, 2016·2 cites·9 claims
Showing the top 50 of 73 patent records by PatentIndex Score.
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