Inventor · disambiguated record
Hung-Ching Lai
Also filed as: LAI HUNG-CHING
32 granted patents·15 pending applications·34 citations·filing 2005–2023
94Inventor score
Top patents by PatentIndex Score
47 records- 0189US8913035B2Optical touch panel and light guide module thereofLAI HUNG-CHING·Filed 2011·Granted Dec 16, 2014·15 cites·16 claims
- 0283US12152925B2Optical detection devicePIXART IMAGING INC·Filed 2023·Granted Nov 26, 2024·0 cites·3 claims
- 0376US11703458B2Detecting device and automatic cleanerPIXART IMAGING INC·Filed 2021·Granted Jul 18, 2023·0 cites·6 claims
- 0471US11852519B2Optical detection devicePIXART IMAGING INC·Filed 2020·Granted Dec 26, 2023·0 cites·21 claims
- 0571US2023215020A1Speed detecting method and speed detecting apparatusPIXART IMAGING INC·Filed 2023·Application pending·0 cites
- 0670US8624877B2Optical touch display apparatus and optical operation apparatusLAI HUNG-CHING·Filed 2011·Granted Jan 7, 2014·3 cites·11 claims
- 0770US7416930B2Method for producing an oxide confined semiconductor laserTRUE LIGHT CORP·Filed 2005·Granted Aug 26, 2008·7 cites·23 claims
- 0866US9857576B2Multi-segment optical component and related optical detecting device capable of increasing SNRPIXART IMAGING INC·Filed 2015·Granted Jan 2, 2018·1 cites·28 claims
- 0966US8144124B2Optical scrolling module and optical control moduleCHEN HUI-HSUAN·Filed 2008·Granted Mar 27, 2012·3 cites·15 claims
- 1064US8698781B2Optical touch deviceCHEN HUI-HSUAN·Filed 2010·Granted Apr 15, 2014·2 cites·14 claims
- 1163US12216063B2Electronic device which can determine a dirtiness levelPIXART IMAGING INC·Filed 2021·Granted Feb 4, 2025·0 cites·18 claims
- 1262US9904413B2Optical touch device, and light source assembly and display module thereofPIXART IMAGING INC·Filed 2012·Granted Feb 27, 2018·1 cites·15 claims
- 1358US8854336B2Light guide module, optical touch module, and method of increasing a signal to noise ratio of an optical touch moduleLAI HUNG-CHING·Filed 2010·Granted Oct 7, 2014·1 cites·12 claims
- 1457US8110837B2Sensing moduleLAI HUNG-CHING·Filed 2008·Granted Feb 7, 2012·1 cites·14 claims
- 1554US10156939B2Light source assembly of optical touch devicePIXART IMAGING INC·Filed 2016·Granted Dec 18, 2018·0 cites·6 claims
- 1654US9383253B2Optical touch device having a plurality of light guide components each with an acute angle between light emitting surfacesPIXART IMAGING INC·Filed 2014·Granted Jul 5, 2016·0 cites·5 claims
- 1754US7767955B2Image detecting apparatus having an illumination system and a sensing systemPIXART IMAGING INC·Filed 2008·Granted Aug 3, 2010·0 cites·7 claims
- 1853US9529139B2Light source modulePIXART IMAGING INC·Filed 2014·Granted Dec 27, 2016·0 cites·20 claims
- 1950US2018025497A1Speed detecting method and speed detecting apparatusPIXART IMAGING INC·Filed 2016·Application pending·0 cites
- 2049US10955969B2Access control system and light guide assembly thereofPIXART IMAGING INC·Filed 2019·Granted Mar 23, 2021·0 cites·10 claims
- 2149US8957849B2Optical scrolling module and optical control moduleCHEN HUI-HSUAN·Filed 2012·Granted Feb 17, 2015·0 cites·13 claims
- 2249US8836831B2Image sensorGU REN HAU·Filed 2012·Granted Sep 16, 2014·0 cites·15 claims
- 2348US11049992B2Dual wavelength light emitting device, dual wavelength light transceiving device and displayPIXART IMAGING INC·Filed 2019·Granted Jun 29, 2021·0 cites·12 claims
- 2448US8878124B2Optical touch device having an auxiliary light guide component disposed between the two neighboring ends of first and second light guide componentsLAI HUNG-CHING·Filed 2012·Granted Nov 4, 2014·0 cites·10 claims
- 2548US2013155025A1Optical touch device and light source assemblyLAI HUNG-CHING·Filed 2012·Application pending·0 cites
- 2647US10378952B2Optical detecting device capable of preventing environmental pollutionPIXART IMAGING INC·Filed 2016·Granted Aug 13, 2019·0 cites·7 claims
- 2747US8760403B2Hybrid human-interface devicePIXART IMAGING INC·Filed 2013·Granted Jun 24, 2014·0 cites·20 claims
- 2847US8482012B2Chip module package structureLI KUO-HSIUNG·Filed 2010·Granted Jul 9, 2013·0 cites·9 claims
- 2946US2009195504A1Optical Pointing DeviceCHEN HUI-HSUAN·Filed 2008·Application pending·0 cites
- 3044US9778101B2Optical detecting module with preferred light utilization efficiencyPIXART IMAGING INC·Filed 2015·Granted Oct 3, 2017·0 cites·11 claims
- 3144US9046963B2Reflective mirror and optical touch device using the sameCHEN HUI-HSUAN·Filed 2012·Granted Jun 2, 2015·0 cites·22 claims
- 3244US9046960B2Light path adjusting assembly and optical touch device using the sameLAI HUNG-CHING·Filed 2012·Granted Jun 2, 2015·0 cites·12 claims
- 3344US2014055408A1Electronic button and related panel module and related electronic devicePIXART IMAGING INC·Filed 2013·Application pending·0 cites
- 3444US2013328774A1Optical touch mousePIXART IMAGING INC·Filed 2013·Application pending·0 cites
- 3544US2014354953A1Tracking device and optical assembly thereofPIXART IMAGING INC·Filed 2014·Application pending·0 cites
- 3642US2013009913A1Hyrbid human-interface devicePIXART IMAGING INC·Filed 2012·Application pending·0 cites
- 3742US2012327036A1Light guide assembly and optical touch module using the sameLAI HUNG-CHING·Filed 2012·Application pending·0 cites
- 3841US8207941B2Lens module and optical mouse using the sameLIU TIEN-CHIA·Filed 2008·Granted Jun 26, 2012·0 cites·16 claims
- 3941US2012162072A1Optical Pointing DeviceCHEN HUI-HSUAN·Filed 2012·Application pending·0 cites
- 4041US2012319998A1Reflecting sheet and optical touch device using the sameLAI HUNG-CHING·Filed 2012·Application pending·0 cites
- 4140US9885601B2Optical detecting device having a light tight component to be a direct touch surface capable of preventing light leakagePIXART IMAGING INC·Filed 2015·Granted Feb 6, 2018·0 cites·13 claims
- 4240US2013257808A1Optical touch apparatusCHEN HUI-HSUAN·Filed 2012·Application pending·0 cites
- 4340US2009251415A1Optical Pointing DeviceLIU TIEN-CHIA·Filed 2008·Application pending·0 cites
- 4439US10039453B2Optical detecting module with waterproofing functionPIXART IMAGING INC·Filed 2015·Granted Aug 7, 2018·0 cites·9 claims
- 4539US9151599B2Image sensing module adapted to compensate temperature variationTSAI CHENG NAN·Filed 2011·Granted Oct 6, 2015·0 cites·7 claims
- 4639US2012062517A1Optical touch control apparatus and touch sensing method thereofLAI HUNG-CHING·Filed 2011·Application pending·0 cites
- 4730US2006126691A1Dual platform semiconductor laser deviceTRUE LIGHT CORP·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →