Inventor · disambiguated record
Chang Yuan
Also filed as: YUAN CHANG · YUAN CHANG-ANN
39 granted patents·18 pending applications·816 citations·filing 2006–2022
98Inventor score
Top patents by PatentIndex Score
57 records- 0197US10268983B2Detecting item interaction and movementAMAZON TECH INC·Filed 2013·Granted Apr 23, 2019·134 cites·28 claims
- 0297US9424461B1Object recognition for three-dimensional bodiesAMAZON TECH INC·Filed 2013·Granted Aug 23, 2016·165 cites·17 claims
- 0396US9160993B1Using projection for visual recognitionAMAZON TECH INC·Filed 2013·Granted Oct 13, 2015·56 cites·20 claims
- 0496US9007490B1Approaches for creating high quality imagesAMAZON TECH INC·Filed 2013·Granted Apr 14, 2015·47 cites·22 claims
- 0596US8073196B2Detection and tracking of moving objects from a moving platform in presence of strong parallaxYUAN CHANG·Filed 2007·Granted Dec 6, 2011·73 cites·24 claims
- 0695US8780097B2Newton ring mura detection systemXU XINYU·Filed 2011·Granted Jul 15, 2014·15 cites·18 claims
- 0794US9912847B1Image capture guidance to reduce specular reflection effectsAMAZON TECH INC·Filed 2012·Granted Mar 6, 2018·31 cites·24 claims
- 0894US9177224B1Object recognition and trackingAMAZON TECH INC·Filed 2013·Granted Nov 3, 2015·41 cites·20 claims
- 0992US9843689B1Self stabilizing projectorAMAZON TECH INC·Filed 2013·Granted Dec 12, 2017·12 cites·20 claims
- 1092US8965117B1Image pre-processing for reducing consumption of resourcesAMAZON TECH INC·Filed 2013·Granted Feb 24, 2015·33 cites·20 claims
- 1191US9058536B1Image-based character recognitionAMAZON TECH INC·Filed 2012·Granted Jun 16, 2015·29 cites·20 claims
- 1289US9298980B1Image preprocessing for character recognitionAMAZON TECH INC·Filed 2013·Granted Mar 29, 2016·16 cites·16 claims
- 1388US11554785B2Driving scenario machine learning network and driving environment simulationFORESIGHT AI INC·Filed 2019·Granted Jan 17, 2023·7 cites·14 claims
- 1487US10970924B2Reconstruction of a scene from a moving cameraFORESIGHT AI INC·Filed 2019·Granted Apr 6, 2021·5 cites·20 claims
- 1586US9053391B2Supervised and semi-supervised online boosting algorithm in machine learning frameworkWANG FAN·Filed 2011·Granted Jun 9, 2015·15 cites·10 claims
- 1686US8774510B2Template matching with histogram of gradient orientationsXU XINYU·Filed 2012·Granted Jul 8, 2014·14 cites·17 claims
- 1786US8284235B2Reduction of viewer discomfort for stereoscopic imagesHELD ROBERT THOMAS·Filed 2009·Granted Oct 9, 2012·14 cites·23 claims
- 1885US11526840B2Detecting inventory changesAMAZON TECH INC·Filed 2019·Granted Dec 13, 2022·2 cites·24 claims
- 1985US9305226B1Semantic boosting rules for improving text recognitionAMAZON TECH INC·Filed 2013·Granted Apr 5, 2016·14 cites·8 claims
- 2085US8368696B2Temporal parallax induced displaySHARP LAB OF AMERICA INC·Filed 2009·Granted Feb 5, 2013·6 cites·33 claims
- 2183US9092842B2System for defect detection and repairXU XINYU·Filed 2011·Granted Jul 28, 2015·7 cites·4 claims
- 2283US8705839B2Electronic devices for defect detectionZHANG QIANG·Filed 2011·Granted Apr 22, 2014·7 cites·34 claims
- 2381US10496163B2Eye and head trackingAPPLE INC·Filed 2017·Granted Dec 3, 2019·5 cites·20 claims
- 2481US7884464B23D electronic packaging structure having a conductive support substrateADVANCED CHIP ENG TECH INC·Filed 2006·Granted Feb 8, 2011·16 cites·21 claims
- 2580US11430145B2Identification of local motions in point cloud dataFORESIGHT AI INC·Filed 2019·Granted Aug 30, 2022·3 cites·18 claims
- 2679US8995747B2Methods, systems and apparatus for defect detection and classificationXU XINYU·Filed 2010·Granted Mar 31, 2015·7 cites·14 claims
- 2779US8483489B2Edge based template matchingVAN BEEK PETRUS J L·Filed 2011·Granted Jul 9, 2013·9 cites·21 claims
- 2879US8331650B2Methods, systems and apparatus for defect detectionYUAN CHANG·Filed 2010·Granted Dec 11, 2012·7 cites·24 claims
- 2979US8189035B2Method and apparatus for rendering virtual see-through scenes on single or tiled displaysYUAN CHANG·Filed 2008·Granted May 29, 2012·4 cites·21 claims
- 3077US12211004B2Detecting inventory changesAMAZON TECH INC·Filed 2022·Granted Jan 28, 2025·0 cites·20 claims
- 3176US11094112B2Intelligent capturing of a dynamic physical environmentFORESIGHT AI INC·Filed 2019·Granted Aug 17, 2021·3 cites·17 claims
- 3272US8547421B2System for adaptive displaysYUAN CHANG·Filed 2010·Granted Oct 1, 2013·2 cites·23 claims
- 3369US9058644B2Local image enhancement for text recognitionAMAZON TECH INC·Filed 2013·Granted Jun 16, 2015·5 cites·25 claims
- 3468US8422783B2Methods and systems for region-based up-scalingYUAN CHANG·Filed 2008·Granted Apr 16, 2013·7 cites·25 claims
- 3565US8867844B2Edge based template matchingVAN BEEK PETRUS J L·Filed 2012·Granted Oct 21, 2014·3 cites·22 claims
- 3658US10326894B1Self stabilizing projectorAMAZON TECH INC·Filed 2017·Granted Jun 18, 2019·0 cites·20 claims
- 3753US8971632B2System for feature detection for low contrast imagesYANASE MASAKAZU·Filed 2010·Granted Mar 3, 2015·2 cites·8 claims
- 3853US2011115766A1Energy efficient display systemSHARP LAB OF AMERICA INC·Filed 2009·Application pending·0 cites
- 3951US2010141552A1Methods and Systems for Imaging Device and Display InteractionFERLITSCH ANDREW RODNEY·Filed 2008·Application pending·0 cites
- 4050US11281288B2Eye and head trackingAPPLE INC·Filed 2019·Granted Mar 22, 2022·0 cites·16 claims
- 4150US2012047455A1System for social networking using an ebook readerYUAN CHANG·Filed 2010·Application pending·0 cites
- 4248US8837813B2Mobile three dimensional imaging systemPAN HAO·Filed 2011·Granted Sep 16, 2014·0 cites·27 claims
- 4347US2009245696A1Method and apparatus for building compound-eye seeing displaysSHARP LAB OF AMERICA INC·Filed 2008·Application pending·0 cites
- 4445US2010110069A1System for rendering virtual see-through scenesSHARP LAB OF AMERICA INC·Filed 2008·Application pending·0 cites
- 4544US2020301015A1Systems and methods for localizationFORESIGHT AI INC·Filed 2019·Application pending·0 cites
- 4643US2012326946A1Three dimensional imaging systemYUAN CHANG·Filed 2011·Application pending·0 cites
- 4743US2014028662A1Viewer reactive stereoscopic display for head detectionLIAO MIAO·Filed 2012·Application pending·0 cites
- 4842US2013093752A1Viewer reactive auto stereoscopic displayYUAN CHANG·Filed 2011·Application pending·0 cites
- 4941US2012224037A1Reducing viewing discomfort for graphical elementsSU YEPING·Filed 2011·Application pending·0 cites
- 5040US2012062548A1Reducing viewing discomfortPAN HAO·Filed 2010·Application pending·0 cites
Showing the top 50 of 57 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →