Inventor · disambiguated record
Joon Chok Lee
Also filed as: LEE JOON C · LEE JOON-CHOK
44 granted patents·9 pending applications·864 citations·filing 2003–2025
98Inventor score
Files withPIXART IMAGING INC21AVAGO TECH ECBU IP SG PTE LTD12PIXART IMAGING PENANG SDN BHD5LIM KEVIN LEN LI3AGILENT TECHNOLOGIES INC2
Top patents by PatentIndex Score
53 records- 0199US7256557B2System and method for producing white light using a combination of phosphor-converted white LEDs and non-phosphor-converted color LEDsAVAGO TECHNOLOGIES GENERAL IP·Filed 2005·Granted Aug 14, 2007·123 cites·23 claims
- 0298US11422025B2Optical sensor capable of synchronizing to ambient light flickerPIXART IMAGING INC·Filed 2020·Granted Aug 23, 2022·5 cites·20 claims
- 0397US7230222B2Calibrated LED light moduleAVAGO TECH ECBU IP SG PTE LTD·Filed 2005·Granted Jun 12, 2007·84 cites·10 claims
- 0497US7009343B2System and method for producing white light using LEDsLIM KEVIN LEN LI·Filed 2004·Granted Mar 7, 2006·215 cites·20 claims
- 0595US7348949B2Method and apparatus for controlling an LED based light systemAVAGO TECHNOLOGIES ECBU IP PTE·Filed 2004·Granted Mar 25, 2008·77 cites·20 claims
- 0691US7667766B2Adjustable spectrum flash lighting for image acquisitionAVAGO TECH ECBU IP SG PTE LTD·Filed 2003·Granted Feb 23, 2010·38 cites·19 claims
- 0790US7141779B1System and method for emitting and detecting light using light emitting diodeAVAGO TECH ECBU IP SG PTE LTD·Filed 2005·Granted Nov 28, 2006·36 cites·20 claims
- 0889US7718942B2Illumination and color management systemAVAGO TECH ECBU IP SG PTE LTD·Filed 2007·Granted May 18, 2010·30 cites·25 claims
- 0989US6894442B1Luminary control systemAGILENT TECHNOLOGIES INC·Filed 2003·Granted May 17, 2005·93 cites·12 claims
- 1083US7324076B2Methods and apparatus for setting the color point of an LED light sourceAVAGO TECH ECBU IP SG PTE LTD·Filed 2004·Granted Jan 29, 2008·32 cites·19 claims
- 1182US9874943B2Optical navigation device with enhanced tracking speedPIXART IMAGING (PENANG) SDN BHD·Filed 2015·Granted Jan 23, 2018·4 cites·20 claims
- 1282US6967447B2Pre-configured light modulesAGILENT TECHNOLOGIES INC·Filed 2003·Granted Nov 22, 2005·46 cites·12 claims
- 1377US11953371B2Optical sensor synchronizing to ambient light flicker and operating method thereofPIXART IMAGING INC·Filed 2022·Granted Apr 9, 2024·0 cites·20 claims
- 1477US11785359B2Navigation device capable of estimating contamination and determining update thresholdPIXART IMAGING INC·Filed 2023·Granted Oct 10, 2023·0 cites·20 claims
- 1577US7030574B2Luminary control systemLIM KEVIN LEN LI·Filed 2005·Granted Apr 18, 2006·15 cites·3 claims
- 1674US7568815B2Light source having a plurality of white LEDs with different output spectraAVAGO TECH ECBU IP SG PTE LTD·Filed 2007·Granted Aug 4, 2009·11 cites·9 claims
- 1774US7522211B2Studio lightAVAGO TECH ECBU IP SG PTE LTD·Filed 2005·Granted Apr 21, 2009·6 cites·15 claims
- 1873US12229969B2Method and optical motion sensor capable of identifying false motionPIXART IMAGING INC·Filed 2022·Granted Feb 18, 2025·0 cites·5 claims
- 1971US11582413B2Navigation device capable of estimating contamination and denoising image framePIXART IMAGING INC·Filed 2021·Granted Feb 14, 2023·0 cites·20 claims
- 2071US7220017B2Method and system of controlling bicolor luminary systemAVAGO TECH ECBU IP SG PTE LTD·Filed 2005·Granted May 22, 2007·5 cites·11 claims
- 2171US7026769B2Luminary control system adapted for reproducing the color of a known light sourceLEE JOON CHOK·Filed 2003·Granted Apr 11, 2006·18 cites·15 claims
- 2270US9367148B2Selective frame rate switchingPIXART IMAGING PENANG SDN BHD·Filed 2014·Granted Jun 14, 2016·2 cites·3 claims
- 2368US2025132529A1Method and optical motion sensor capable of identifying false motionPIXART IMAGING INC·Filed 2025·Application pending·0 cites
- 2466US7262560B2Regulating a light source using a light-to-frequency converterAVAGO TECH ECBU IP SG PTE LTD·Filed 2004·Granted Aug 28, 2007·9 cites·9 claims
- 2565US11327550B2Sensor chip with reduced operation powerPIXART IMAGING INC·Filed 2020·Granted May 10, 2022·0 cites·14 claims
- 2665US11128825B2Navigation device with adaptive fixed pattern noise update and operating method thereofPIXART IMAGING INC·Filed 2019·Granted Sep 21, 2021·0 cites·19 claims
- 2764US12236019B2Pointing method and pointing devicePIXART IMAGING INC·Filed 2023·Granted Feb 25, 2025·0 cites·16 claims
- 2864US10852848B2Interactive system having angle snapPIXART IMAGING INC·Filed 2020·Granted Dec 1, 2020·0 cites·20 claims
- 2961US11941886B2Object detection method and camera apparatusPIXART IMAGING INC·Filed 2021·Granted Mar 26, 2024·0 cites·19 claims
- 3060US11869226B2Computer readable recording medium which can perform image pattern determining methodPIXART IMAGING INC·Filed 2020·Granted Jan 9, 2024·0 cites·13 claims
- 3160US10928931B2Navigation device with adjustable sample periodPIXART IMAGING INC·Filed 2018·Granted Feb 23, 2021·0 cites·20 claims
- 3260US10775868B2Navigation device with low power consumptionPIXART IMAGING INC·Filed 2018·Granted Sep 15, 2020·0 cites·16 claims
- 3360US7212287B2Providing optical feedback on light colorAVAGO TECH ECBU IP SG PTE LTD·Filed 2004·Granted May 1, 2007·8 cites·20 claims
- 3459US10572033B2Mouse device and interactive system having angle snapPIXART IMAGING INC·Filed 2018·Granted Feb 25, 2020·0 cites·18 claims
- 3558US11965968B2Optical sensing system and optical sensing methodPIXART IMAGING INC·Filed 2020·Granted Apr 23, 2024·0 cites·14 claims
- 3657US9933865B2Navigation device with adjustable sample periodPIXART IMAGING PENANG SDN BHD·Filed 2014·Granted Apr 3, 2018·0 cites·20 claims
- 3756US12175722B2Connected component analysis method which can reuse labelPIXART IMAGING INC·Filed 2021·Granted Dec 24, 2024·0 cites·17 claims
- 3856US11871157B2Optical sensor device and calibration method capable of avoiding false motion alarmPIXART IMAGING INC·Filed 2022·Granted Jan 9, 2024·0 cites·20 claims
- 3956US7214927B2Method and apparatus using liquid crystal light valve to filter incident light on a photodetectorAVAGO TECH ECBU IP SG PTE LTD·Filed 2004·Granted May 8, 2007·5 cites·17 claims
- 4053US11893753B2Security camera and motion detecting method for security cameraPIXART IMAGING INC·Filed 2020·Granted Feb 6, 2024·0 cites·7 claims
- 4153US9342158B2Sub-frame accumulation method and apparatus for keeping reporting errors of an optical navigation sensor consistent across all frame ratesPIXART IMAGING PENANG SDN BHD·Filed 2014·Granted May 17, 2016·0 cites·10 claims
- 4252US9141204B2Dynamic scale for mouse sensor runaway detectionPIXART IMAGING INC·Filed 2014·Granted Sep 22, 2015·0 cites·3 claims
- 4350US11049264B2Marker detecting device and optical tracking devicePIXART IMAGING INC·Filed 2019·Granted Jun 29, 2021·0 cites·8 claims
- 4449US7538755B2System, method and apparatus using addressable light sensorsAVAGO TECH ECBU IP SG PTE LTD·Filed 2004·Granted May 26, 2009·2 cites·11 claims
- 4549US2008204382A1Color management controller for constant color point in a field sequential lighting systemLIM KEVIN LEN LI·Filed 2007·Application pending·0 cites
- 4647US9684384B2System and method for eliminating spurious motion of mousePIXART IMAGING (PENANG) SDN BHD·Filed 2015·Granted Jun 20, 2017·0 cites·12 claims
- 4746US2007103934A1System and method for constructing a backlighted display using dynamically optimized light sourceKEH KEAN L·Filed 2005·Application pending·0 cites
- 4846US2007262731A1Regulating a Light Source Using a Light-to-Frequency ConverterJAFFAR RIZAL·Filed 2007·Application pending·0 cites
- 4943US2006273331A1Two-terminal LED device with tunable colorLIM KEVIN LEN L·Filed 2005·Application pending·0 cites
- 5041US2006097978A1Field-sequential color display with feedback controlNG KEE Y·Filed 2004·Application pending·0 cites
Showing the top 50 of 53 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →