Inventor · disambiguated record
Po-Chang Chen
Also filed as: CHEN PO-CHANG · LO CHIH-PING
44 granted patents·17 pending applications·120 citations·filing 2003–2024
97Inventor score
Top patents by PatentIndex Score
61 records- 0195US11252337B1Method and apparatus of performing automatic exposure control for image sensor with context switchingHIMAX IMAGING LTD·Filed 2020·Granted Feb 15, 2022·7 cites·15 claims
- 0291US11252340B1Motion detection system with flicker compensationHIMAX IMAGING LTD·Filed 2021·Granted Feb 15, 2022·3 cites·11 claims
- 0391US9307120B1Image processing system adaptable to a dual-mode image deviceHIMAX IMAGING LTD·Filed 2014·Granted Apr 5, 2016·12 cites·16 claims
- 0490US9467632B1Dual exposure control circuit and associated methodHIMAX IMAGING LTD·Filed 2015·Granted Oct 11, 2016·9 cites·20 claims
- 0588US10205070B2Light-emitting device having dissimilar first and second light-emitting anglesEPISTAR CORP·Filed 2016·Granted Feb 12, 2019·6 cites·14 claims
- 0685US9083900B2Lens shading correction systemHIMAX IMAGING LTD·Filed 2013·Granted Jul 14, 2015·6 cites·17 claims
- 0784USD1011514SNebulizerGALEMED CORP·Filed 2022·Granted Jan 16, 2024·10 cites·1 claims
- 0883US10498972B1High-dynamic-range imaging system and methodHIMAX IMAGING LTD·Filed 2018·Granted Dec 3, 2019·3 cites·5 claims
- 0983US8259066B2Impact force feedback device and interactive system using the sameCHENG KUEN-CHIUAN·Filed 2009·Granted Sep 4, 2012·15 cites·28 claims
- 1077US9525814B2Automatic focus searching using focal sweep techniqueHIMAX IMAGING LTD·Filed 2014·Granted Dec 20, 2016·3 cites·8 claims
- 1176US9185377B1Color processing system and apparatusHIMAX IMAGING LTD·Filed 2014·Granted Nov 10, 2015·3 cites·17 claims
- 1275US8559745B2Image signal processor and method for image enhancementPENG YUAN-CHIH·Filed 2011·Granted Oct 15, 2013·4 cites·14 claims
- 1375US7463082B2Light emitting device and current mirror thereofPRINCETON TECHNOLOGY CORP·Filed 2007·Granted Dec 9, 2008·9 cites·12 claims
- 1474US8878965B1Black level adjustment device and method for CMOS image sensorHIMAX IMAGING LTD·Filed 2013·Granted Nov 4, 2014·2 cites·10 claims
- 1574US8406510B2Methods for evaluating distances in a scene and apparatus and machine readable medium using the sameANGOT LUDOVIC·Filed 2010·Granted Mar 26, 2013·7 cites·17 claims
- 1673US9001238B1Lens shading correction method and image signal processor for performing the sameHIMAX IMAGING LTD·Filed 2013·Granted Apr 7, 2015·2 cites·15 claims
- 1771US7104263B1Detergent supply system for a self-cleaning kitchen hoodCHEN PO-CHANG·Filed 2005·Granted Sep 12, 2006·5 cites·6 claims
- 1868US8408753B2LED lamp with refractive imaging effectCHEN PO-CHANG·Filed 2010·Granted Apr 2, 2013·3 cites·6 claims
- 1966US9871972B2Auto exposure control system and methodHIMAX IMAGING LTD·Filed 2016·Granted Jan 16, 2018·1 cites·19 claims
- 2065US9521385B2Image sensor equipped with additional group of selectively transmissive filters for illuminant estimation, and associated illuminant estimation methodHIMAX IMAGING LTD·Filed 2014·Granted Dec 13, 2016·1 cites·13 claims
- 2165US2025336096A1System and method of image compressionHIMAX TECH LTD·Filed 2024·Application pending·0 cites
- 2263US12272774B2Light-emitting device and the method of manufacturing the sameEPISTAR CORP·Filed 2021·Granted Apr 8, 2025·0 cites·8 claims
- 2363US12225312B2Binning systemHIMAX IMAGING LTD·Filed 2023·Granted Feb 11, 2025·0 cites·14 claims
- 2463US10886201B2Power device having a substrate with metal layers exposed at surfaces of an insulation layer and manufacturing method thereofEPISTAR CORP·Filed 2018·Granted Jan 5, 2021·1 cites·17 claims
- 2562US2023235410A1Identification system of circulating biomarkers for cancer detection, development method of circulating biomarkers for cancer detection, cancer detection method and kitIND TECH RES INST·Filed 2022·Application pending·0 cites
- 2660US8452115B2Method and apparatus for designing restoration filter, and method and apparatus for restoring image using the restoration filterCHEN PO-CHANG·Filed 2009·Granted May 28, 2013·4 cites·23 claims
- 2760US2010022300A1Device with spatially unrestricted force feedbackIND TECH RES INST·Filed 2009·Application pending·0 cites
- 2859US10586902B2Light-emitting device having dissimilar first and second light-emitting anglesEPISTAR CORP·Filed 2018·Granted Mar 10, 2020·0 cites·20 claims
- 2959US9361678B1Compensation method of spectral mismatchUNIV NAT TAIWAN·Filed 2015·Granted Jun 7, 2016·1 cites·16 claims
- 3058US11503217B2System and method of estimating ambient lightHIMAX IMAGING LTD·Filed 2020·Granted Nov 15, 2022·0 cites·19 claims
- 3158US8154974B2Holographic data storing method and storing deviceTSENG CHIEN-FU·Filed 2009·Granted Apr 10, 2012·0 cites·10 claims
- 3258US7944795B2Holographic recording medium and encoding/decoding method thereofIND TECH RES INST·Filed 2008·Granted May 17, 2011·0 cites·27 claims
- 3358US2024420441A1Occupancy Sensing Device and Occupancy Sensing MethodHIMAX IMAGING LTD·Filed 2023·Application pending·0 cites
- 3457US12263297B2Quick-release nebulizerGALEMED CORP·Filed 2022·Granted Apr 1, 2025·0 cites·10 claims
- 3556US12506982B2Correction method and device for handling column fixed pattern noise of image sensor and related image sensing deviceHIMAX IMAGING LTD·Filed 2024·Granted Dec 23, 2025·0 cites·15 claims
- 3656US11382202B2Method and apparatus for controlling a lighting fixture based on motion detection and related lighting fixtureHIMAX IMAGING LTD·Filed 2020·Granted Jul 5, 2022·0 cites·15 claims
- 3755US2009054144A1Force feedback apparatus and system using thereofIND TECH RES INST·Filed 2007·Application pending·0 cites
- 3854US10992348B1Near field communication electronic boltNAT CHUNG SHAN INST SCIENCE & TECH·Filed 2019·Granted Apr 27, 2021·0 cites·13 claims
- 3954US9831307B2Gap fill self planarization on post EPITAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2016·Granted Nov 28, 2017·0 cites·20 claims
- 4054US2023372640A1Nebulizer with detecting structureGALEMED CORP·Filed 2022·Application pending·0 cites
- 4153US11011681B2Light-emitting device and the method of manufacturing the sameEPISTAR CORP·Filed 2014·Granted May 18, 2021·0 cites·9 claims
- 4253US2025285214A1Rgbir image processing systemHIMAX TECH LTD·Filed 2024·Application pending·0 cites
- 4352US9536771B2Gap fill self planarization on post EPITAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2013·Granted Jan 3, 2017·0 cites·20 claims
- 4452US2010061640A1Method and apparatus for detecting code of holographic data pageIND TECH RES INST·Filed 2009·Application pending·0 cites
- 4550US2024235276A9Wireless power transmission device and operation method thereofRICHTEK TECHNOLOGY CORP·Filed 2023·Application pending·0 cites
- 4649US11321850B2Presence detection systemHIMAX IMAGING LTD·Filed 2020·Granted May 3, 2022·0 cites·12 claims
- 4749US8735915B2LED lighting fixture with phosphor-coated coverLIN CHIH-HAO·Filed 2012·Granted May 27, 2014·0 cites·12 claims
- 4848US9438812B2Method for controlling exposure level of frame in image sensor, computer readable recording media for performing the method, and image processing systemHIMAX IMAGING LTD·Filed 2014·Granted Sep 6, 2016·0 cites·21 claims
- 4948US9088740B2System and method of reducing noiseHIMAX IMAGING LTD·Filed 2013·Granted Jul 21, 2015·0 cites·16 claims
- 5047US8654225B2Color interpolation system and method thereofCHEN PO-CHANG·Filed 2011·Granted Feb 18, 2014·0 cites·10 claims
Showing the top 50 of 61 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →