Inventor · disambiguated record
Frederick Douglis
Also filed as: DOUGLIS FREDERICK
93 granted patents·5 pending applications·4,795 citations·filing 1994–2021
99Inventor score
Top patents by PatentIndex Score
98 records- 0199US9514146B1System and method for improving data compression of a storage system in an online mannerEMC CORP·Filed 2013·Granted Dec 6, 2016·127 cites·24 claims
- 0299US8712963B1Method and apparatus for content-aware resizing of data chunks for replicationDOUGLIS FREDERICK·Filed 2011·Granted Apr 29, 2014·253 cites·24 claims
- 0399US8639669B1Method and apparatus for determining optimal chunk sizes of a deduplicated storage systemDOUGLIS FREDERICK·Filed 2011·Granted Jan 28, 2014·249 cites·24 claims
- 0499US8554918B1Data migration with load balancing and optimizationDOUGLIS FREDERICK·Filed 2011·Granted Oct 8, 2013·116 cites·22 claims
- 0599US8484356B1System and method for allocating a storage unit for backup in a storage system with load balancingDOUGLIS FREDERICK·Filed 2011·Granted Jul 9, 2013·115 cites·28 claims
- 0699US7657622B1Unified web hosting and content distribution system and method for assuring predetermined performance levelsAT & T IP II LP·Filed 2003·Granted Feb 2, 2010·269 cites·22 claims
- 0799US6366933B1Method and apparatus for tracking and viewing changes on the webAT & T CORP·Filed 1995·Granted Apr 2, 2002·634 cites·10 claims
- 0898US9390116B1Insertion and eviction schemes for deduplicated cache system of a storage systemEMC CORP·Filed 2013·Granted Jul 12, 2016·88 cites·18 claims
- 0998US9336143B1Indexing a deduplicated cache system by integrating fingerprints of underlying deduplicated storage systemEMC CORP·Filed 2013·Granted May 10, 2016·61 cites·22 claims
- 1098US9189402B1Method for packing and storing cached data in deduplicated cache system of a storage systemEMC CORP·Filed 2013·Granted Nov 17, 2015·52 cites·26 claims
- 1198US6596030B2Identifying changes in on-line data repositoriesAT & T CORP·Filed 2002·Granted Jul 22, 2003·171 cites·11 claims
- 1297US10216754B1System and method for balancing compression and read performance in a storage systemEMC CORP·Filed 2013·Granted Feb 26, 2019·45 cites·26 claims
- 1397US9892045B1Methods to select segments of an evicted cache unit for reinsertion into the cacheEMC IP HOLDING CO LLC·Filed 2015·Granted Feb 13, 2018·50 cites·21 claims
- 1497US9430156B1Method to increase random I/O performance with low memory overheadsEMC CORP·Filed 2014·Granted Aug 30, 2016·51 cites·22 claims
- 1597US9189414B1File indexing using an exclusion list of a deduplicated cache system of a storage systemEMC CORP·Filed 2013·Granted Nov 17, 2015·59 cites·18 claims
- 1697US8935446B1Indexing architecture for deduplicated cache system of a storage systemEMC CORP·Filed 2013·Granted Jan 13, 2015·72 cites·25 claims
- 1797US8914338B1Out-of-core similarity matchingWALLACE GRANT·Filed 2011·Granted Dec 16, 2014·54 cites·21 claims
- 1896US11698878B1Highspeed shared-memory optical network interfaces and topologyPERSPECTA LABS INC·Filed 2021·Granted Jul 11, 2023·9 cites·19 claims
- 1996US10007809B1Fine-grained self-shredding data in a secure communication ecosystemEMC CORP·Filed 2015·Granted Jun 26, 2018·25 cites·24 claims
- 2096US9720835B1Methods to efficiently implement coarse granularity cache eviction based on segment deletion hintsEMC IP HOLDING CO LLC·Filed 2015·Granted Aug 1, 2017·26 cites·33 claims
- 2196US9411815B1System and method for improving data compression in a deduplicated storage systemEMC CORP·Filed 2013·Granted Aug 9, 2016·62 cites·24 claims
- 2296US9367557B1System and method for improving data compressionEMC CORP·Filed 2013·Granted Jun 14, 2016·57 cites·24 claims
- 2395US8631052B1Efficient content meta-data collection and trace generation from deduplicated storageSHILANE PHILIP·Filed 2011·Granted Jan 14, 2014·42 cites·18 claims
- 2494US9767154B1System and method for improving data compression of a storage system in an online mannerEMC CORP·Filed 2016·Granted Sep 19, 2017·11 cites·15 claims
- 2594US9110792B1System and method for cache replacement using bloom filter lookahead approachDOUGLIS FREDERICK·Filed 2012·Granted Aug 18, 2015·25 cites·24 claims
- 2693US9304914B1Deduplicated cache system of a storage systemEMC CORP·Filed 2013·Granted Apr 5, 2016·20 cites·16 claims
- 2793US8825626B1Method and system for detecting unwanted content of filesWALLACE GRANT·Filed 2011·Granted Sep 2, 2014·24 cites·17 claims
- 2893US6021426AMethod and apparatus for dynamic data transfer on a web pageAT & T CORP·Filed 1997·Granted Feb 1, 2000·278 cites·13 claims
- 2992US9892044B1Methods to efficiently implement coarse granularity cache evictionEMC IP HOLDING CO LLC·Filed 2015·Granted Feb 13, 2018·10 cites·24 claims
- 3092US8756249B1Method and apparatus for efficiently searching data in a storage systemWALLACE GRANT·Filed 2011·Granted Jun 17, 2014·22 cites·17 claims
- 3191US9389965B1System and method for improving performance of backup storage system with future access predictionDOUGLIS FREDERICK·Filed 2012·Granted Jul 12, 2016·14 cites·24 claims
- 3291US7562153B2Method and apparatus for content distribution network brokering and peeringAT & T IP II LP·Filed 2001·Granted Jul 14, 2009·95 cites·17 claims
- 3391US6249795B1Personalizing the display of changes to records in an on-line repositoryAT & T CORP·Filed 1997·Granted Jun 19, 2001·172 cites·26 claims
- 3490US9880746B1Method to increase random I/O performance with low memory overheadsEMC CORP·Filed 2016·Granted Jan 30, 2018·6 cites·21 claims
- 3590US8667032B1Efficient content meta-data collection and trace generation from deduplicated storageSHILANE PHILIP·Filed 2011·Granted Mar 4, 2014·18 cites·17 claims
- 3690US8219848B2Mechanism for recovery from site failure in a stream processing systemBRANSON MICHAEL JOHN·Filed 2007·Granted Jul 10, 2012·34 cites·20 claims
- 3790US7725536B2Method and apparatus for limiting reuse of domain name system informationAT & T IP II LP·Filed 2008·Granted May 25, 2010·16 cites·20 claims
- 3890US5931904AMethod for reducing the delay between the time a data page is requested and the time the data page is displayedAT & T CORP·Filed 1996·Granted Aug 3, 1999·184 cites·31 claims
- 3990US5493670AAdaptive disk spin-down method for managing the power distributed to a disk drive in a laptop computerPANASONIC TECHNOLOGIES INC·Filed 1994·Granted Feb 20, 1996·127 cites·8 claims
- 4090US5481733AMethod for managing the power distributed to a disk drive in a laptop computerPANASONIC TECHNOLOGIES INC·Filed 1994·Granted Jan 2, 1996·135 cites·12 claims
- 4189US10838990B1System and method for improving data compression of a storage system using coarse and fine grained similarityEMC CORP·Filed 2013·Granted Nov 17, 2020·14 cites·21 claims
- 4289US9189408B1System and method of offline annotation of future accesses for improving performance of backup storage systemDOUGLIS FREDERICK·Filed 2012·Granted Nov 17, 2015·12 cites·29 claims
- 4388US9843802B1Method and system for dynamic compression module selectionWALLACE GRANT R·Filed 2012·Granted Dec 12, 2017·10 cites·20 claims
- 4488US9559999B1Method and system for processing large scale emails and limiting resource consumption and interruption therefromEMC CORP·Filed 2014·Granted Jan 31, 2017·10 cites·16 claims
- 4588US8417762B2Mechanism for execution of multi-site jobs in a data stream processing systemBRANSON MICHAEL J·Filed 2007·Granted Apr 9, 2013·21 cites·20 claims
- 4688US7325034B2Method and apparatus for scalable peer-to-peer inquiries in a network of untrusted partiesIBM·Filed 2003·Granted Jan 29, 2008·61 cites·15 claims
- 4786US9535779B1Method and system for predicting redundant array of independent disks (RAID) vulnerabilityEMC CORP·Filed 2014·Granted Jan 3, 2017·10 cites·18 claims
- 4886US8751448B1State-based directing of segments in a multinode deduplicated storage systemDOUGLIS FREDERICK·Filed 2009·Granted Jun 10, 2014·14 cites·17 claims
- 4986US7958093B2Optimizing a storage system to support short data lifetimesIBM·Filed 2004·Granted Jun 7, 2011·49 cites·29 claims
- 5086US7216297B1Eliding web page contentAT & T CORP·Filed 2001·Granted May 8, 2007·43 cites·30 claims
Showing the top 50 of 98 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →