Inventor · disambiguated record
En-Feng Hsu
Also filed as: HSU EN FENG
134 granted patents·11 pending applications·316 citations·filing 2008–2024
99Inventor score
Top patents by PatentIndex Score
145 records- 0197US8749764B2Distance-measuring device of measuring distance according to variation of imaging location and calibrating method thereofPIXART IMAGING INC·Filed 2013·Granted Jun 10, 2014·73 cites·9 claims
- 0296US10979656B2Imaging device for distinguishing foregroundPIXART IMAGING INC·Filed 2020·Granted Apr 13, 2021·4 cites·20 claims
- 0395US11418729B2Image sensor having symmetrical opaque layerPIXART IMAGING INC·Filed 2021·Granted Aug 16, 2022·3 cites·20 claims
- 0495US9904369B2Gesture recognition system and glasses with gesture recognition functionPIXART IMAGING INC·Filed 2013·Granted Feb 27, 2018·18 cites·8 claims
- 0594US10148864B2Imaging device having phase detection pixels and regular pixels, and operating method thereofPIXART IMAGING INC·Filed 2016·Granted Dec 4, 2018·9 cites·18 claims
- 0694US10123107B2Headset controllerPIXART IMAGING INC·Filed 2017·Granted Nov 6, 2018·9 cites·10 claims
- 0794US9104910B2Device and method for determining gesture and operation method of gesture determining devicePIXART IMAGING INC·Filed 2013·Granted Aug 11, 2015·25 cites·20 claims
- 0893US10616506B2Imaging device for distinguishing foregroundPIXART IMAGING INC·Filed 2019·Granted Apr 7, 2020·5 cites·20 claims
- 0993US10097773B2Imaging device for distinguishing foreground and operating method thereofPIXART IMAGING INC·Filed 2016·Granted Oct 9, 2018·7 cites·17 claims
- 1093US9888200B2Image sensor and operating method thereofPIXART IMAGING INC·Filed 2016·Granted Feb 6, 2018·8 cites·20 claims
- 1192US10341584B2Imaging device for distinguishing foreground and sensor chip thereofPIXART IMAGING INC·Filed 2018·Granted Jul 2, 2019·5 cites·18 claims
- 1292US9599745B2Package structure of optical apparatusHSU EN-FENG·Filed 2013·Granted Mar 21, 2017·11 cites·9 claims
- 1391US11910101B2Optical sensor cancelling image flickerPIXART IMAGING INC·Filed 2023·Granted Feb 20, 2024·1 cites·20 claims
- 1491US11849236B2Time delay integration sensor handling defect pixelsPIXART IMAGING INC·Filed 2022·Granted Dec 19, 2023·2 cites·19 claims
- 1591US10616467B2Imaging device and operating method thereofPIXART IMAGING INC·Filed 2018·Granted Apr 7, 2020·5 cites·20 claims
- 1691US9618610B2Time of flight system capable of increasing measurement accuracy, saving power and/or increasing motion detection rate and method thereofKAO MING-TSAN·Filed 2011·Granted Apr 11, 2017·20 cites·11 claims
- 1790US11917322B2Optical module having symmetrical opaque layerPIXART IMAGING INC·Filed 2022·Granted Feb 27, 2024·1 cites·20 claims
- 1888US10747995B2Pupil tracking deviceSAMSUNG ELECTRONICS CO LTD·Filed 2019·Granted Aug 18, 2020·3 cites·20 claims
- 1988US9684840B2Detection systemPIXART IMAGING INC·Filed 2013·Granted Jun 20, 2017·6 cites·6 claims
- 2087US9686489B2Image sensor and imaging system adopting analog bufferPIXART IMAGING INC·Filed 2015·Granted Jun 20, 2017·5 cites·16 claims
- 2187US9223407B2Gesture recognition apparatus and complex optical apparatusHSU EN-FENG·Filed 2013·Granted Dec 29, 2015·6 cites·17 claims
- 2286US9978154B2Distance measurement device base on phase difference and distance measurement method thereofPIXART IMAGING INC·Filed 2016·Granted May 22, 2018·3 cites·19 claims
- 2386US9268409B2Method and system for gesture identification based on object tracingPIXART IMAGING INC·Filed 2013·Granted Feb 23, 2016·5 cites·19 claims
- 2486US8878132B2Photosensor device and method for determining incident lightHSU EN-FENG·Filed 2012·Granted Nov 4, 2014·4 cites·23 claims
- 2585US12333857B2Electronic device capable of identifying ineligible objectPIXART IMAGING INC·Filed 2024·Granted Jun 17, 2025·0 cites·17 claims
- 2685US8810719B2Electronic apparatus having camera sensing circuit and object sensing circuit used for switching between two different operation modes and related computer-readable mediumPIXART IMAGING INC·Filed 2012·Granted Aug 19, 2014·6 cites·19 claims
- 2784US11003234B2Sensor array and method of controlling sensing devices generating detection results at different frequencies and related electronic devicePIXART IMAGING INC·Filed 2019·Granted May 11, 2021·2 cites·20 claims
- 2884US9600700B1Portable electronic device and operation method thereofPIXART IMAGING INC·Filed 2016·Granted Mar 21, 2017·4 cites·10 claims
- 2983US12399573B2Interactive system and device with optical sensing functionPIXART IMAGING INC·Filed 2024·Granted Aug 26, 2025·0 cites·20 claims
- 3083US10094661B2Optical sensor and optical sensor systemPIXART IMAGING INC·Filed 2015·Granted Oct 9, 2018·4 cites·14 claims
- 3183US8638425B2Distance-measuring device with increased signal-to-noise ratio and method thereofHSU EN-FENG·Filed 2011·Granted Jan 28, 2014·8 cites·33 claims
- 3282US12273649B2Optical sensor having opaque layerPIXART IMAGING INC·Filed 2024·Granted Apr 8, 2025·0 cites·19 claims
- 3382US12254845B2Brightness control method of portable device and portable device using the samePIXART IMAGING INC·Filed 2023·Granted Mar 18, 2025·0 cites·13 claims
- 3482US9544508B2Image sensor which can adjust brightness information to fall in a predetermined rangePIXART IMAGING INC·Filed 2016·Granted Jan 10, 2017·3 cites·8 claims
- 3582US8514375B2Distance-measuring device of measuring distance according to variation of imaging location and calibrating method thereofHSU EN-FENG·Filed 2010·Granted Aug 20, 2013·8 cites·25 claims
- 3680US10127866B2Automatic detection method for backlight control and portable electronic device using the samePIXART IMAGING INC·Filed 2016·Granted Nov 13, 2018·1 cites·20 claims
- 3780US9274051B2Movement detection device capable of detecting three-dimensional motionsPIXART IMAGING INC·Filed 2013·Granted Mar 1, 2016·2 cites·14 claims
- 3879US12320672B2Sensing element having pixels exposed by apertures increasing along different directionsPIXART IMAGING INC·Filed 2023·Granted Jun 3, 2025·0 cites·20 claims
- 3979US11995916B2Electronic device capable of identifying ineligible objectPIXART IMAGING INC·Filed 2022·Granted May 28, 2024·0 cites·18 claims
- 4079US9350922B2Image sensing method and image sensor utilizing the methodPIXART IMAGING INC·Filed 2013·Granted May 24, 2016·3 cites·18 claims
- 4178US10481670B2Sensor array and method of reducing power consumption of sensing device with auxiliary sensing unit and related electronic devicePIXART IMAGING INC·Filed 2013·Granted Nov 19, 2019·3 cites·19 claims
- 4277US11715429B2Light control method of portable device and portable device using the samePIXART IMAGING INC·Filed 2022·Granted Aug 1, 2023·0 cites·11 claims
- 4377US11073386B2Sensing element and optical distance measurement systemPIXART IMAGING INC·Filed 2018·Granted Jul 27, 2021·1 cites·19 claims
- 4476US12019809B2Method for identifying size of object, optical sensing apparatus and systemPIXART IMAGING INC·Filed 2023·Granted Jun 25, 2024·0 cites·13 claims
- 4576US10600196B2Distance measurement device based on phase differencePIXART IMAGING INC·Filed 2018·Granted Mar 24, 2020·1 cites·16 claims
- 4676US9661250B2Image sensor and operating method thereof, motion sensor including the samePIXART IMAGING INC·Filed 2015·Granted May 23, 2017·2 cites·17 claims
- 4774US12184989B2Optical sensor with sharing transistors in adjacent pixelsPIXART IMAGING INC·Filed 2024·Granted Dec 31, 2024·0 cites·15 claims
- 4874US11747140B2Sensing element having pixels exposed by aperture increasing along predetermined directionPIXART IMAGING INC·Filed 2021·Granted Sep 5, 2023·0 cites·12 claims
- 4974US10033956B2Image sensorPIXART IMAGING INC·Filed 2017·Granted Jul 24, 2018·1 cites·18 claims
- 5074US9989640B2Optical apparatus, light sensitive device with micro-lens and manufacturing method thereofPIXART IMAGING INC·Filed 2013·Granted Jun 5, 2018·4 cites·19 claims
Showing the top 50 of 145 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →