Inventor · disambiguated record
Qinghua Zheng
Also filed as: ZHENG QINGHUA
65 granted patents·14 pending applications·619 citations·filing 1997–2025
98Inventor score
Top patents by PatentIndex Score
79 records- 0197US7657644B1Methods and apparatus for streaming media multicastNETAPP INC·Filed 2002·Granted Feb 2, 2010·240 cites·20 claims
- 0296US11036420B2Object store mirroring and resync, during garbage collection operation, first bucket (with deleted first object) with second bucketNETAPP INC·Filed 2019·Granted Jun 15, 2021·20 cites·20 claims
- 0395US11210013B2Object store mirroring and garbage collection during synchronization of the object storeNETAPP INC·Filed 2019·Granted Dec 28, 2021·17 cites·19 claims
- 0495US11048430B2Object store mirroring where during resync of two storage bucket, objects are transmitted to each of the two storage bucketNETAPP INC·Filed 2019·Granted Jun 29, 2021·19 cites·20 claims
- 0595US10360099B2Object format resilient to remote object store errorsNETAPP INC·Filed 2017·Granted Jul 23, 2019·11 cites·20 claims
- 0695US7702873B2Managing common storage by allowing delayed allocation of storage after reclaiming reclaimable space in a logical volumeNETWORK APPLIANCE INC·Filed 2005·Granted Apr 20, 2010·60 cites·20 claims
- 0794US12086116B2Object and sequence number managementNETAPP INC·Filed 2022·Granted Sep 10, 2024·2 cites·20 claims
- 0889US11573855B2Object format resilient to remote object store errorsNETAPP INC·Filed 2022·Granted Feb 7, 2023·1 cites·20 claims
- 0989US9152600B2System and method for caching network file systemsNETAPP INC·Filed 2013·Granted Oct 6, 2015·10 cites·19 claims
- 1087US11960448B2Unified object format for retaining compression and performing additional compression for reduced storage consumption in an object storeNETAPP INC·Filed 2022·Granted Apr 16, 2024·2 cites·20 claims
- 1187US8055702B2System and method for caching network file systemsNETAPP INC·Filed 2006·Granted Nov 8, 2011·15 cites·33 claims
- 1285US11816093B2Storage tier verification checksNETAPP INC·Filed 2021·Granted Nov 14, 2023·1 cites·30 claims
- 1385US11620071B2Object store mirroring with garbage collectionNETAPP INC·Filed 2021·Granted Apr 4, 2023·1 cites·20 claims
- 1485US11609703B2Object store mirroring based on checkpointNETAPP INC·Filed 2021·Granted Mar 21, 2023·1 cites·20 claims
- 1584US11231989B2Object format resilient to remote object store errorsNETAPP INC·Filed 2020·Granted Jan 25, 2022·1 cites·20 claims
- 1684US10621162B2Storage tier verification checksNETAPP INC·Filed 2017·Granted Apr 14, 2020·3 cites·20 claims
- 1783US8297195B2Magnetic levitation railway and method for its operationLOESER FRIEDRICH·Filed 2007·Granted Oct 30, 2012·23 cites·13 claims
- 1883US8281723B2Vehicle having an eddy current brake for a rail-borne transportation system, and a transportation system which is operated therewith, in particular a magnetic levitation trainLOESER FRIEDRICH·Filed 2008·Granted Oct 9, 2012·22 cites·14 claims
- 1983US7699007B2Guideway carrier and magnetic levitation railway manufactured therewithTHYSSENKRUPP TRANSRAPID GMBH·Filed 2005·Granted Apr 20, 2010·9 cites·13 claims
- 2083US2025362825A1Object store mirroringNETAPP INC·Filed 2025·Application pending·0 cites
- 2182US2025005003A1Object and sequence number managementNETAPP INC·Filed 2024·Application pending·0 cites
- 2280US12282677B2Object store mirroring based on checkpointNETAPP INC·Filed 2023·Granted Apr 22, 2025·0 cites·20 claims
- 2380US12265520B2Storage tier verification checksNETAPP INC·Filed 2023·Granted Apr 1, 2025·0 cites·20 claims
- 2480US6862565B1Method and apparatus for validating cross-architecture ISA emulationHEWLETT PACKARD DEVELOPMENT CO·Filed 2000·Granted Mar 1, 2005·32 cites·19 claims
- 2580US2025225122A1Storage tier verification checksNETAPP INC·Filed 2025·Application pending·0 cites
- 2679US11934262B2Object format resilient to remote object store errorsNETAPP INC·Filed 2023·Granted Mar 19, 2024·0 cites·20 claims
- 2779US11487723B2Object and sequence number managementNETAPP INC·Filed 2020·Granted Nov 1, 2022·1 cites·26 claims
- 2879US10853166B2Object format resilient to remote object store errorsNETAPP INC·Filed 2019·Granted Dec 1, 2020·1 cites·20 claims
- 2978US11188520B2Storage tier verification checksNETAPP INC·Filed 2020·Granted Nov 30, 2021·1 cites·38 claims
- 3078US8430039B2Magnetic levitation vehicle and method for lifting and/or lowering the vehicleZHENG QINGHUA·Filed 2008·Granted Apr 30, 2013·8 cites·12 claims
- 3175US12204784B1Zero-copy volume move within a distributed storage systemNETAPP INC·Filed 2024·Granted Jan 21, 2025·0 cites·24 claims
- 3275US10552389B2Object and sequence number managementNETAPP INC·Filed 2017·Granted Feb 4, 2020·1 cites·20 claims
- 3373US8171859B2Magnetic levitation vehicle with at least one magnetic systemLOESER FRIEDRICH·Filed 2007·Granted May 8, 2012·13 cites·20 claims
- 3473US2025328240A1Management of data staging for writing to object based storageNETAPP INC·Filed 2024·Application pending·0 cites
- 3573US2025328285A1Bypass mechanism for writing to object based storageNETAPP INC·Filed 2024·Application pending·0 cites
- 3672US8193886B2Reception unit comprising a receiver coil for the contactless transfer of electric energy and method for the production thereofHAHN WOLFGANG·Filed 2007·Granted Jun 5, 2012·13 cites·22 claims
- 3771US9652601B2Method for plagiarism detection of multithreaded program based on thread slice birthmarkUNIV XIAN JIAOTONG·Filed 2014·Granted May 16, 2017·4 cites·10 claims
- 3868US8402899B2Magnetically levitated railwayLOESER FRIEDRICH·Filed 2008·Granted Mar 26, 2013·10 cites·5 claims
- 3968US8319385B2Method and bearing for supporting rotatable devices, particularly a medical scannerBREUCKER UWE-OTTO·Filed 2008·Granted Nov 27, 2012·6 cites·13 claims
- 4067US12417150B2Mirroring objects between different cloud providers with different data layout requirementsNETAPP INC·Filed 2023·Granted Sep 16, 2025·0 cites·20 claims
- 4167US2025284427A1Zero-copy volume move within a distributed storage systemNETAPP INC·Filed 2025·Application pending·0 cites
- 4266US8430037B2Magnetic levitation trainMILLER LUITPOLD·Filed 2008·Granted Apr 30, 2013·9 cites·9 claims
- 4364US12253923B2Persistent metafile used to cache slot header metadata for improved read performance of objects within an object storeNETAPP INC·Filed 2022·Granted Mar 18, 2025·0 cites·20 claims
- 4464US12210431B2Repair subsystem for persistent metafile repair to improve resiliencyNETAPP INC·Filed 2022·Granted Jan 28, 2025·0 cites·20 claims
- 4564US9355019B2Method for test case reduction based on program behavior slicesUNIV XI AN JIAOTONG·Filed 2013·Granted May 31, 2016·2 cites·7 claims
- 4663US11372807B2Converting storage objects between formats in a copy-free transitionNETAPP INC·Filed 2020·Granted Jun 28, 2022·0 cites·20 claims
- 4763US10578157B2Radial-axial magnetic bearing having an integrated back-up bearing and method for operating the magnetic bearingTHYSSENKRUPP ROTHE ERDE GMBH·Filed 2016·Granted Mar 3, 2020·1 cites·14 claims
- 4863US8118266B2Apparatus for generating position signals for rail-bound vehicles, in particular magnetic levitation vehiclesZHENG QINGHUA·Filed 2007·Granted Feb 21, 2012·11 cites·6 claims
- 4963US7362363B2Sensor device with sensor elements and read-out unit which reads partial measurementsSIEMENS AG·Filed 2002·Granted Apr 22, 2008·5 cites·12 claims
- 5061US7699006B2Carrier and a magnetic levitation railway provided with said deckTHYSSENKRUPP TRANSRAPID GMBH·Filed 2004·Granted Apr 20, 2010·5 cites·22 claims
Showing the top 50 of 79 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →