Inventor · disambiguated record
Sai Mun Lee
Also filed as: LEE SAI M · LEE SAI MUN
72 granted patents·10 pending applications·282 citations·filing 2002–2024
98Inventor score
Files withPIXART IMAGING INC44PIXART IMAGING PENANG SDN BHD9AVAGO TECH ECBU IP SG PTE LTD7AVAGO TECHNOLOGIES GENERAL IP4LEONG YAT KHENG4
Top patents by PatentIndex Score
82 records- 0197US11550161B2Illumination system having different light sources adapt to different work surfacesPIXART IMAGING INC·Filed 2021·Granted Jan 10, 2023·5 cites·18 claims
- 0296US11921296B2Electronic device having different light sources adapt to different work surfacesPIXART IMAGING INC·Filed 2022·Granted Mar 5, 2024·3 cites·20 claims
- 0393US11754440B2Opto-mechanical structure design of thin LGA package with glass cover and a thickness of an aperture ceiling is 0.20MMPIXART IMAGING INC·Filed 2022·Granted Sep 12, 2023·2 cites·7 claims
- 0492US10976560B2Navigation device, illumination system and light beam shaping optics thereofPIXART IMAGING INC·Filed 2018·Granted Apr 13, 2021·6 cites·17 claims
- 0591US11886649B2Optical navigation devicePIXART IMAGING INC·Filed 2021·Granted Jan 30, 2024·2 cites·14 claims
- 0691US10937773B2Image module package having flat glass filter flush with transparent layerPIXART IMAGING INC·Filed 2018·Granted Mar 2, 2021·8 cites·18 claims
- 0791US8093545B2Lensless user input device with optical interference based on diffraction with a small apertureLEONG YAT KHENG·Filed 2008·Granted Jan 10, 2012·54 cites·20 claims
- 0891US6967321B2Optical navigation sensor with integrated lensAGILENT TECHNOLOGIES INC·Filed 2002·Granted Nov 22, 2005·75 cites·2 claims
- 0990US11562992B2Image module package having glass filter secured by transparent adhesivePIXART IMAGING INC·Filed 2021·Granted Jan 24, 2023·2 cites·18 claims
- 1089US7045775B2Optical navigation sensor with integrated lensAVAGO TECHNOLOGIES LTD·Filed 2005·Granted May 16, 2006·23 cites·13 claims
- 1188US12039111B1Optical navigation method and optical navigation devicePIXART IMAGING INC·Filed 2023·Granted Jul 16, 2024·1 cites·18 claims
- 1287US10192856B2Optical navigation module capable of performing lateral detection and adjusting tracking distancePIXART IMAGING INC·Filed 2015·Granted Jan 29, 2019·5 cites·12 claims
- 1386US2025085139A1Multi-track optical encoderPIXART IMAGING PENANG SDN BHD·Filed 2024·Application pending·0 cites
- 1485US11942462B2Optical navigation module capable of performing lateral detectionPIXART IMAGING INC·Filed 2021·Granted Mar 26, 2024·1 cites·19 claims
- 1585US11063028B2Optical navigation module capable of performing lateral detection and adjusting tracking distancePIXART IMAGING INC·Filed 2018·Granted Jul 13, 2021·3 cites·18 claims
- 1684US12196584B2Multi-track optical encoderPIXART IMAGING PENANG SDN BHD·Filed 2023·Granted Jan 14, 2025·0 cites·9 claims
- 1783US12468165B2Optical mouse and light pipe thereofPIXART IMAGING INC·Filed 2024·Granted Nov 11, 2025·0 cites·20 claims
- 1883US12230621B2Optical navigation module performing lateral detectionPIXART IMAGING INC·Filed 2024·Granted Feb 18, 2025·0 cites·20 claims
- 1982US12204114B2Electronic device having light sources illuminating at different distancesPIXART IMAGING INC·Filed 2024·Granted Jan 21, 2025·0 cites·20 claims
- 2082US7868281B2Optical navigation system and method of estimating motion with optical lift detectionAVAGO TECH ECBU IP SG PTE LTD·Filed 2006·Granted Jan 11, 2011·12 cites·10 claims
- 2181US8610668B2Computer keyboard with input deviceLEE SAI MUN·Filed 2010·Granted Dec 17, 2013·10 cites·20 claims
- 2280US2025076675A1Lens piece having single wing, lens assembly and imaging device including the samePIXART IMAGING INC·Filed 2024·Application pending·0 cites
- 2379US12117337B2Opto-mechanical structure design of thin LGA package with glass coverPIXART IMAGING INC·Filed 2023·Granted Oct 15, 2024·0 cites·7 claims
- 2479US12105297B2Optical mouse and light pipe thereofPIXART IMAGING INC·Filed 2023·Granted Oct 1, 2024·0 cites·20 claims
- 2579US9735135B2Optical sensor package and optical sensor assemblyPIXART IMAGING (PENANG) SDN BHD·Filed 2014·Granted Aug 15, 2017·5 cites·7 claims
- 2679US9218069B2Optical sensing device to sense displacementAVAGO TECHNOLOGIES GENERAL IP·Filed 2013·Granted Dec 22, 2015·5 cites·18 claims
- 2779US7378643B2Optical projection encoder with patterned maskAVAGO TECHNOLOGIES GENERAL IP·Filed 2006·Granted May 27, 2008·9 cites·20 claims
- 2878US12092890B2Optical lens and optical data capturing devicePIXART IMAGING INC·Filed 2023·Granted Sep 17, 2024·0 cites·18 claims
- 2977US12125835B2Module package with high illumination efficiencySAMSUNG ELECTRONICS CO LTD·Filed 2022·Granted Oct 22, 2024·0 cites·18 claims
- 3077US2024206052A1Method and structure for alignment of lens to optical product at pcba levelPIXART IMAGING INC·Filed 2024·Application pending·0 cites
- 3175US12498797B2Navigation device with improved light utilization efficiency and optical engine thereofPIXART IMAGING INC·Filed 2023·Granted Dec 16, 2025·0 cites·20 claims
- 3275US11828629B2Multi-track optical encoderPIXART IMAGING PENANG SDN BHD·Filed 2021·Granted Nov 28, 2023·0 cites·12 claims
- 3375US11774771B2Optical mouse and light pipe thereofPIXART IMAGING INC·Filed 2022·Granted Oct 3, 2023·0 cites·20 claims
- 3474US12181688B2Lens piece, lens assembly and imaging device including the samePIXART IMAGING INC·Filed 2022·Granted Dec 31, 2024·0 cites·19 claims
- 3574US9456153B2Pixel image non-uniformity compensation method based on capacitance trimming and image sensor having pixels with variable capacitors for non-uniformity compensationPANG KWAI-LEE·Filed 2015·Granted Sep 27, 2016·3 cites·17 claims
- 3674US2025025010A1Mobile robot performing cliff detectionPIXART IMAGING INC·Filed 2024·Application pending·0 cites
- 3772US11956892B2Method and structure for alignment of lens to optical product at PCBA levelPIXART IMAGING INC·Filed 2022·Granted Apr 9, 2024·0 cites·24 claims
- 3870US11372255B2Optical mouse and light pipe thereofPIXART IMAGING INC·Filed 2021·Granted Jun 28, 2022·0 cites·19 claims
- 3969US10514554B2Optical motion detecting device for a flight vehiclePIXART IMAGING INC·Filed 2017·Granted Dec 24, 2019·2 cites·21 claims
- 4068US11048342B2Dual mode optical navigation devicePIXART IMAGING INC·Filed 2019·Granted Jun 29, 2021·0 cites·14 claims
- 4168US8022931B2Self-calibrating optical feedback system in a laser mouseAVAGO TECH ECBU IP SG PTE LTD·Filed 2007·Granted Sep 20, 2011·6 cites·20 claims
- 4267US11822143B2Optical lens and optical data capturing devicePIXART IMAGING INC·Filed 2021·Granted Nov 21, 2023·0 cites·18 claims
- 4367US11372258B2Lens piece, lens assembly and imaging device including the samePIXART IMAGING INC·Filed 2020·Granted Jun 28, 2022·0 cites·19 claims
- 4467US9924055B1Calibration method for tracking sensorPIXART IMAGING PENANG SDN BHD·Filed 2016·Granted Mar 20, 2018·1 cites·8 claims
- 4567US7358958B2Method for locating a light source relative to optics in an optical mouseAVAGO TECHNOLOGIES ECBU IP PTE·Filed 2004·Granted Apr 15, 2008·13 cites·15 claims
- 4666US8279178B2System and method for performing optical navigation using horizontally oriented imaging lensKRISHNAN THINESHWARAN GOPAL·Filed 2007·Granted Oct 2, 2012·6 cites·20 claims
- 4766US7568819B2Utilizing an internal reflection surface to reflect and collimate sidelight in an optical navigation deviceAVAGO TECH ECBU IP SG PTE LTD·Filed 2006·Granted Aug 4, 2009·4 cites·24 claims
- 4866US7399955B2Low profile optical navigation sensorAVAGO TECHNOLOGIES GENERAL IP·Filed 2006·Granted Jul 15, 2008·5 cites·7 claims
- 4965US10558279B2Dual mode optical navigation devicePIXART IMAGING INC·Filed 2019·Granted Feb 11, 2020·0 cites·7 claims
- 5065US10211191B2Image module package with transparent sub-assemblyPIXART IMAGING PENANG SDN BHD·Filed 2014·Granted Feb 19, 2019·1 cites·21 claims
Showing the top 50 of 82 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →