Inventor · disambiguated record
Dazhong Zhang
Also filed as: ZHANG DAZHONG
57 granted patents·19 pending applications·182 citations·filing 2009–2025
97Inventor score
Top patents by PatentIndex Score
76 records- 0197US9992450B1Systems and methods for background concealment in video conferencing sessionAPPLE INC·Filed 2017·Granted Jun 5, 2018·36 cites·34 claims
- 0297US8874090B2Remote control operations in a video conferenceABUAN JOE S·Filed 2010·Granted Oct 28, 2014·81 cites·27 claims
- 0393US10523913B2Packed image format for multi-directional videoAPPLE INC·Filed 2017·Granted Dec 31, 2019·8 cites·36 claims
- 0491US12096044B2Adaptive coding and streaming of multi-directional videoAPPLE INC·Filed 2023·Granted Sep 17, 2024·1 cites·18 claims
- 0590US10715833B2Adaptive syntax grouping and compression in video data using a default value and an exception valueAPPLE INC·Filed 2014·Granted Jul 14, 2020·8 cites·26 claims
- 0688US10038919B2In loop chroma deblocking filterAPPLE INC·Filed 2014·Granted Jul 31, 2018·6 cites·15 claims
- 0787US10911992B2Multi-device communication managementAPPLE INC·Filed 2018·Granted Feb 2, 2021·3 cites·20 claims
- 0885US10638147B2Gradual decoder refresh techniques with management of reference picturesAPPLE INC·Filed 2018·Granted Apr 28, 2020·4 cites·40 claims
- 0984US10999583B2Scalability of multi-directional video streamingAPPLE INC·Filed 2018·Granted May 4, 2021·3 cites·22 claims
- 1084US10931725B2Multiway audio-video conferencingAPPLE INC·Filed 2018·Granted Feb 23, 2021·5 cites·20 claims
- 1183US11093752B2Object tracking in multi-view videoAPPLE INC·Filed 2017·Granted Aug 17, 2021·5 cites·22 claims
- 1282US11818394B2Sphere projected motion estimation/compensation and mode decisionAPPLE INC·Filed 2021·Granted Nov 14, 2023·1 cites·21 claims
- 1382US11259046B2Processing of equirectangular object data to compensate for distortion by spherical projectionsAPPLE INC·Filed 2017·Granted Feb 22, 2022·3 cites·32 claims
- 1481US12507131B2Multi-device communication managementAPPLE INC·Filed 2024·Granted Dec 23, 2025·0 cites·20 claims
- 1580US12513344B2Adaptive coding and streaming of multi-directional videoAPPLE INC·Filed 2024·Granted Dec 30, 2025·0 cites·20 claims
- 1680US9654727B2Techniques to overcome communication lag between terminals performing video mirroring and annotation operationsAPPLE INC·Filed 2015·Granted May 16, 2017·3 cites·20 claims
- 1778US10999602B2Sphere projected motion estimation/compensation and mode decisionAPPLE INC·Filed 2016·Granted May 4, 2021·2 cites·32 claims
- 1876US10999767B2Multi-device communication managementAPPLE INC·Filed 2018·Granted May 4, 2021·1 cites·20 claims
- 1974US9876964B2Video coding with composition and quality adaptation based on depth derivationsAPPLE INC·Filed 2014·Granted Jan 23, 2018·2 cites·20 claims
- 2071US8842723B2Video coding system using implied reference framesZHANG KE·Filed 2011·Granted Sep 23, 2014·2 cites·23 claims
- 2170US10924747B2Video coding techniques for multi-view videoAPPLE INC·Filed 2017·Granted Feb 16, 2021·1 cites·26 claims
- 2269US10754242B2Adaptive resolution and projection format in multi-direction videoAPPLE INC·Filed 2017·Granted Aug 25, 2020·1 cites·22 claims
- 2368US9967581B2Video quality adaptation with frame rate conversionAPPLE INC·Filed 2014·Granted May 8, 2018·1 cites·36 claims
- 2467US11627343B2Adaptive coding and streaming of multi-directional videoAPPLE INC·Filed 2021·Granted Apr 11, 2023·0 cites·19 claims
- 2567US9769473B2Predictive video coder with low power reference picture transformationAPPLE INC·Filed 2013·Granted Sep 19, 2017·1 cites·27 claims
- 2667US2025220139A1Optimizing media experience in conferencing with diverse participantsAPPLE INC·Filed 2024·Application pending·0 cites
- 2766US11818502B2Systems and methods for perspective shifting in video conferencing sessionAPPLE INC·Filed 2022·Granted Nov 14, 2023·0 cites·21 claims
- 2866US8493499B2Compression-quality driven image acquisition and processing systemZHOU XIAOSONG·Filed 2010·Granted Jul 23, 2013·1 cites·43 claims
- 2963US10992919B2Packed image format for multi-directional videoAPPLE INC·Filed 2019·Granted Apr 27, 2021·0 cites·12 claims
- 3062US10939139B2Adaptive coding and streaming of multi-directional videoAPPLE INC·Filed 2018·Granted Mar 2, 2021·0 cites·32 claims
- 3161US11991566B2Multi-device communication managementAPPLE INC·Filed 2018·Granted May 21, 2024·0 cites·20 claims
- 3261US11102515B2In loop chroma deblocking filterAPPLE INC·Filed 2020·Granted Aug 24, 2021·0 cites·22 claims
- 3360US10708623B2In loop chroma deblocking filterAPPLE INC·Filed 2018·Granted Jul 7, 2020·0 cites·15 claims
- 3460US2025291413A1Distributed foveated renderingAPPLE INC·Filed 2025·Application pending·0 cites
- 3559US10757445B2Techniques for resource conservation during performance of intra block copy prediction searchesAPPLE INC·Filed 2018·Granted Aug 25, 2020·0 cites·21 claims
- 3658US2025379917A1Asset orchestration for communication sessionsAPPLE INC·Filed 2025·Application pending·0 cites
- 3757US11553200B2Applications for decoder-side modeling of objects identified in decoded video dataAPPLE INC·Filed 2020·Granted Jan 10, 2023·0 cites·22 claims
- 3857US10652567B2Applications for decoder-side modeling of objects identified in decoded video dataAPPLE INC·Filed 2018·Granted May 12, 2020·0 cites·23 claims
- 3957US10205953B2Object detection informed encodingPRICE DOUGLAS SCOTT·Filed 2012·Granted Feb 12, 2019·1 cites·30 claims
- 4057US8340194B2High-yield multi-threading method and apparatus for video encoders/transcoders/decoders with dynamic video reordering and multi-level video coding dependency managementSCHMIDT JOCHEN CHRISTIAN·Filed 2009·Granted Dec 25, 2012·1 cites·19 claims
- 4156US12200401B2Optimizing media experience in conferencing with diverse participantsAPPLE INC·Filed 2022·Granted Jan 14, 2025·0 cites·18 claims
- 4256US11394921B2Systems and methods for perspective shifting in video conferencing sessionAPPLE INC·Filed 2017·Granted Jul 19, 2022·0 cites·34 claims
- 4356US2021227236A1Scalability of multi-directional video streamingAPPLE INC·Filed 2021·Application pending·0 cites
- 4454US11206371B2Techniques to overcome communication lag between terminals performing video mirroring and annotation operationsAPPLE INC·Filed 2017·Granted Dec 21, 2021·0 cites·18 claims
- 4554US11165989B2Gesture and prominence in video conferencingAPPLE INC·Filed 2019·Granted Nov 2, 2021·0 cites·26 claims
- 4654US10652578B2Processing of multi-directional images in spatially-ordered video coding applicationsAPPLE INC·Filed 2018·Granted May 12, 2020·0 cites·33 claims
- 4754US9491487B2Error resilient management of picture order count in predictive coding systemsAPPLE INC·Filed 2012·Granted Nov 8, 2016·0 cites·32 claims
- 4854US2020304837A1Adaptive syntax grouping and compression in video dataAPPLE INC·Filed 2020·Application pending·0 cites
- 4954US2025080759A1Backward reference updating for video codingAPPLE INC·Filed 2024·Application pending·0 cites
- 5053US11109042B2Efficient coding of video data in the presence of video annotationsAPPLE INC·Filed 2019·Granted Aug 31, 2021·0 cites·28 claims
Showing the top 50 of 76 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Dazhong Zhang files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →