Inventor · disambiguated record
Samuel Henry Chang
Also filed as: CHANG SAMUEL HENRY
30 granted patents·569 citations·filing 2004–2022
97Inventor score
Top patents by PatentIndex Score
30 records- 0198US9560446B1Sound source locator with distributed microphone arrayCHANG SAMUEL HENRY·Filed 2012·Granted Jan 31, 2017·64 cites·30 claims
- 0298US8662676B1Automatic projector calibrationRAWLES LLC·Filed 2012·Granted Mar 4, 2014·50 cites·20 claims
- 0398US8619144B1Automatic camera calibrationCHANG SAMUEL HENRY·Filed 2012·Granted Dec 31, 2013·100 cites·20 claims
- 0495US9201499B1Object tracking in a 3-dimensional environmentRAWLES LLC·Filed 2013·Granted Dec 1, 2015·37 cites·20 claims
- 0594US8970693B1Surface modeling with structured lightCHANG SAMUEL HENRY·Filed 2011·Granted Mar 3, 2015·26 cites·19 claims
- 0694US8913037B1Gesture recognition from depth and distortion analysisRAWLES LLC·Filed 2012·Granted Dec 16, 2014·20 cites·18 claims
- 0793US9759994B1Automatic projection focusingAMAZON TECH INC·Filed 2015·Granted Sep 12, 2017·11 cites·20 claims
- 0893US9336602B1Estimating features of occluded objectsRAWLES LLC·Filed 2013·Granted May 10, 2016·30 cites·24 claims
- 0993US9241141B1Projection block extractionCHANG SAMUEL HENRY·Filed 2011·Granted Jan 19, 2016·30 cites·18 claims
- 1093US9055237B1Projection autofocusCHANG SAMUEL HENRY·Filed 2012·Granted Jun 9, 2015·13 cites·17 claims
- 1192US9392264B1Occluded object recognitionAMAZON TECH INC·Filed 2012·Granted Jul 12, 2016·15 cites·17 claims
- 1292US9336607B1Automatic identification of projection surfacesRAWLES LLC·Filed 2012·Granted May 10, 2016·14 cites·19 claims
- 1392US9275302B1Object detection and identificationYAN RENWEI·Filed 2012·Granted Mar 1, 2016·41 cites·23 claims
- 1492US9081418B1Obtaining input from a virtual user interfaceRAWLES LLC·Filed 2013·Granted Jul 14, 2015·17 cites·27 claims
- 1590US9129375B1Pose detectionLIU QIANG·Filed 2012·Granted Sep 8, 2015·11 cites·27 claims
- 1689US9390500B1Pointing finger detectionAMAZON TECH INC·Filed 2013·Granted Jul 12, 2016·17 cites·15 claims
- 1788US8837778B1Pose trackingCHANG SAMUEL HENRY·Filed 2012·Granted Sep 16, 2014·11 cites·20 claims
- 1885US10126820B1Open and closed hand detectionRAWLES LLC·Filed 2012·Granted Nov 13, 2018·12 cites·20 claims
- 1985US9456187B1Edge-based pose detectionLIU QIANG·Filed 2012·Granted Sep 27, 2016·6 cites·23 claims
- 2085US9160904B1Gantry observation feedback controllerCHANG SAMUEL HENRY·Filed 2012·Granted Oct 13, 2015·8 cites·23 claims
- 2185US8970479B1Hand gesture detectionCHANG SAMUEL HENRY·Filed 2012·Granted Mar 3, 2015·9 cites·19 claims
- 2283US9197870B1Automatic projection focusingSOYANNWO OLUSANYA T·Filed 2012·Granted Nov 24, 2015·4 cites·23 claims
- 2379US11317201B1Analyzing audio signals for device selectionAMAZON TECH INC·Filed 2017·Granted Apr 26, 2022·2 cites·20 claims
- 2478US9704027B1Gesture recognitionCHANG SAMUEL HENRY·Filed 2012·Granted Jul 11, 2017·8 cites·17 claims
- 2572US9892666B1Three-dimensional model generationLIU QIANG·Filed 2012·Granted Feb 13, 2018·2 cites·23 claims
- 2672US9632592B1Gesture recognition from depth and distortion analysisAMAZON TECH INC·Filed 2014·Granted Apr 25, 2017·2 cites·16 claims
- 2770US12047756B1Analyzing audio signals for device selectionAMAZON TECH INC·Filed 2022·Granted Jul 23, 2024·0 cites·20 claims
- 2862US10262230B1Object detection and identificationAMAZON TECH INC·Filed 2016·Granted Apr 16, 2019·1 cites·20 claims
- 2953US9703371B1Obtaining input from a virtual user interfaceAMAZON TECH INC·Filed 2015·Granted Jul 11, 2017·0 cites·20 claims
- 3052US7333133B2Recursive least squares approach to calculate motion parameters for a moving cameraSPATIAL INTEGRATED SYSTEMS INC·Filed 2004·Granted Feb 19, 2008·8 cites·17 claims
Join the waitlist — get patent alerts
Get an alert when Samuel Henry Chang 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 →