Inventor · disambiguated record
Michael L. Federwisch
Also filed as: FEDERWISCH MICHAEL · FEDERWISCH MICHAEL L · Federwisch Michael Lee
27 granted patents·6 pending applications·1,486 citations·filing 1996–2024
97Inventor score
Top patents by PatentIndex Score
33 records- 0199US9110898B1Method and apparatus for automatically detecting replication performance degradationEMC CORP·Filed 2012·Granted Aug 18, 2015·199 cites·22 claims
- 0299US6993539B2System and method for determining changes in two snapshots and for transmitting changes to destination snapshotNETWORK APPLIANCE INC·Filed 2002·Granted Jan 31, 2006·330 cites·20 claims
- 0398US7603391B1System and method for determining changes in two snapshots and for transmitting changes to a destination snapshotNETAPP INC·Filed 2006·Granted Oct 13, 2009·95 cites·15 claims
- 0497US10565230B2Technique for preserving efficiency for replication between clusters of a networkNETAPP INC·Filed 2015·Granted Feb 18, 2020·26 cites·18 claims
- 0597US7818299B1System and method for determining changes in two snapshots and for transmitting changes to a destination snapshotNETAPP INC·Filed 2009·Granted Oct 19, 2010·61 cites·37 claims
- 0697US7039663B1System and method for checkpointing and restarting an asynchronous transfer of data between a source and destination snapshotNETWORK APPLIANCE INC·Filed 2002·Granted May 2, 2006·192 cites·46 claims
- 0796US7769717B2System and method for checkpointing and restarting an asynchronous transfer of data between a source and destination snapshotNETAPP INC·Filed 2006·Granted Aug 3, 2010·53 cites·7 claims
- 0894US7203796B1Method and apparatus for synchronous data mirroringNETWORK APPLIANCE INC·Filed 2003·Granted Apr 10, 2007·111 cites·18 claims
- 0994US6668264B1Resynchronization of a target volume with a source volumeNETWORK APPLIANCE INC·Filed 2001·Granted Dec 23, 2003·116 cites·28 claims
- 1093US7631021B2Apparatus and method for data replication at an intermediate nodeNETAPP INC·Filed 2005·Granted Dec 8, 2009·39 cites·39 claims
- 1191US7325109B1Method and apparatus to mirror data at two separate sites without comparing the data at the two sitesNETWORK APPLIANCE INC·Filed 2003·Granted Jan 29, 2008·74 cites·7 claims
- 1289US11921597B2Cross-platform replicationNETAPP INC·Filed 2022·Granted Mar 5, 2024·1 cites·20 claims
- 1388US9477661B1Method and apparatus for predicting potential replication performance degradationEMC CORP·Filed 2012·Granted Oct 25, 2016·17 cites·18 claims
- 1488US6889228B1Cascading support for mirrored volumesNETWORK APPLIANCE INC·Filed 2001·Granted May 3, 2005·50 cites·27 claims
- 1587US11347605B2Cross-platform replicationNETAPP INC·Filed 2020·Granted May 31, 2022·2 cites·20 claims
- 1687US10585768B2Cross-platform replicationNETAPP INC·Filed 2018·Granted Mar 10, 2020·3 cites·20 claims
- 1787US9990260B2Cross-platform replicationNETAPP INC·Filed 2016·Granted Jun 5, 2018·4 cites·20 claims
- 1884US7925749B1System and method for transparent data replication over migrating virtual serversNETAPP INC·Filed 2007·Granted Apr 12, 2011·20 cites·40 claims
- 1981US12346227B2Cross-platform replicationNETAPP INC·Filed 2024·Granted Jul 1, 2025·0 cites·20 claims
- 2081US10108547B2High performance and memory efficient metadata cachingNETAPP INC·Filed 2016·Granted Oct 23, 2018·4 cites·20 claims
- 2180US6915316B1Resynchronization of a target volume with a source volumeNETWORK APPLIANCE INC·Filed 2003·Granted Jul 5, 2005·39 cites·28 claims
- 2277US11288003B2Cross-platform replication of logical unitsNETAPP INC·Filed 2020·Granted Mar 29, 2022·1 cites·20 claims
- 2370US5953522ATemporary computer file system implementing using anonymous storage allocated for virtual memorySUN MICROSYSTEMS INC·Filed 1996·Granted Sep 14, 1999·40 cites·40 claims
- 2469US12032847B2Cross-platform replication of logical unitsNETAPP INC·Filed 2022·Granted Jul 9, 2024·0 cites·20 claims
- 2566US10587685B2Cross-platform replication of logical unitsNETAPP INC·Filed 2017·Granted Mar 10, 2020·1 cites·17 claims
- 2666US8024518B1Optimizing reads for verification of a mirrored file systemNETAPP INC·Filed 2007·Granted Sep 20, 2011·4 cites·19 claims
- 2760US8301791B2System and method for non-disruptive check of a mirrorMALAIYANDI PRASANNA KUMAR·Filed 2008·Granted Oct 30, 2012·4 cites·23 claims
- 2848US2021117274A1Data structure of a protection store for storing snapshotsNUVOLOSO INC·Filed 2019·Application pending·0 cites
- 2948US2021117276A1Garbage collection of unreferenced data objects in a protection storeNUVOLOSO INC·Filed 2019·Application pending·0 cites
- 3048US2021117120A1Data movement between heterogeneous storage devicesNUVOLOSO INC·Filed 2019·Application pending·0 cites
- 3143US2009006792A1System and Method to Identify Changed Data BlocksFEDERWISCH MICHAEL L·Filed 2007·Application pending·0 cites
- 3238US2017212891A1Scheduling technique to smooth metadata processing latencyNETAPP INC·Filed 2016·Application pending·0 cites
- 3337US2017315740A1Technique for pacing and balancing processing of internal and external i/o requests in a storage systemNETAPP INC·Filed 2016·Application pending·0 cites
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