Inventor · disambiguated record
Ren-Chieh Liu
Also filed as: LIU REN · LIU REN-CHIEH
37 granted patents·10 pending applications·125 citations·filing 2006–2025
96Inventor score
Files withPIXART IMAGING INC26REALTEK SEMICONDUCTOR CORP10GILL PARKASH3UNIV CALIFORNIA3UNIV SOUTHERN CALIFORNIA2
Top patents by PatentIndex Score
47 records- 0198US11792550B2Pixel circuit outputting pulse width signal and optical sensor using the samePIXART IMAGING INC·Filed 2022·Granted Oct 17, 2023·5 cites·16 claims
- 0297US11812176B2Pixel circuit selecting to output time difference data or image dataPIXART IMAGING INC·Filed 2021·Granted Nov 7, 2023·4 cites·10 claims
- 0396US11706542B2Pixel circuit outputting time difference data and image data, and operating method of pixel arrayPIXART IMAGING INC·Filed 2021·Granted Jul 18, 2023·5 cites·20 claims
- 0496US11546540B2Analog operation circuit for operating pulse width signals outputted from pixel circuitPIXART IMAGING INC·Filed 2022·Granted Jan 3, 2023·3 cites·20 claims
- 0596US11290671B2Pixel circuit outputting pulse width signals and performing analog operationPIXART IMAGING INC·Filed 2020·Granted Mar 29, 2022·3 cites·19 claims
- 0695US11153524B1High precision pixel circuit and method thereofPIXART IMAGING INC·Filed 2020·Granted Oct 19, 2021·6 cites·31 claims
- 0795US7622996B2Multi-loop phase locked loop circuitREALTEK SEMICONDUCTOR CORP·Filed 2007·Granted Nov 24, 2009·42 cites·27 claims
- 0894US11055548B1Motion sensor using temporal difference pixels and lift-up detection thereofPIXART IMAGING INC·Filed 2020·Granted Jul 6, 2021·3 cites·20 claims
- 0994US10851161B2Antibodies that bind cell surface GRP78UNIV SOUTHERN CALIFORNIA·Filed 2019·Granted Dec 1, 2020·6 cites·7 claims
- 1091US11849236B2Time delay integration sensor handling defect pixelsPIXART IMAGING INC·Filed 2022·Granted Dec 19, 2023·2 cites·19 claims
- 1186US12058467B2Pixel circuit outputting pulse width signal and optical sensor using the samePIXART IMAGING INC·Filed 2023·Granted Aug 6, 2024·0 cites·20 claims
- 1285US7906116B2Methods for using and identifying modulators of Delta-like 4GILL PARKASH·Filed 2007·Granted Mar 15, 2011·13 cites·6 claims
- 1383US2025024172A1Pixel circuit selecting to output time difference data or image dataPIXART IMAGING INC·Filed 2024·Application pending·0 cites
- 1482US8121572B2Signal strength detecting device and related methodLIN YING-YAO·Filed 2010·Granted Feb 21, 2012·7 cites·22 claims
- 1581US12317604B2Analog operation circuit for processing pixel data in analog phasePIXART IMAGING INC·Filed 2024·Granted May 27, 2025·0 cites·20 claims
- 1681US12137295B2Pixel circuit selecting to output time difference data or image dataPIXART IMAGING INC·Filed 2023·Granted Nov 5, 2024·0 cites·5 claims
- 1779US11336843B2Time delay integration sensorPIXART IMAGING INC·Filed 2021·Granted May 17, 2022·1 cites·31 claims
- 1879US7622992B2Power amplifier circuit having a bias signal inputted into input terminal and method thereofREALTEK SEMICONDUCTOR CORP·Filed 2007·Granted Nov 24, 2009·8 cites·14 claims
- 1977US2025285430A1Neural signal detection circuit outputting time difference data or neural dataPIXART IMAGING INC·Filed 2025·Application pending·0 cites
- 2074US12513429B2Optical sensor outputting partial image data of pixel arrayPIXART IMAGING INC·Filed 2024·Granted Dec 30, 2025·0 cites·20 claims
- 2173US11845792B2Epitope specific antibodies that bind cell surface GRP78 and their use for cancer detectionUNIV SOUTHERN CALIFORNIA·Filed 2020·Granted Dec 19, 2023·0 cites·7 claims
- 2272US12052523B2Pixel circuit outputting time difference data and image data, and operating method thereofPIXART IMAGING INC·Filed 2023·Granted Jul 30, 2024·0 cites·18 claims
- 2370US11363979B2Addressable vertical nanowire probe arrays and fabrication methodsUNIV CALIFORNIA·Filed 2017·Granted Jun 21, 2022·2 cites·20 claims
- 2470US7777546B2DC offset calibration apparatus and method for differential signalsREALTEK SEMICONDUCTOR CORP·Filed 2008·Granted Aug 17, 2010·7 cites·27 claims
- 2568US2023386258A1Motion detection device using temporal difference and spatial difference of pixel dataPIXART IMAGING INC·Filed 2023·Application pending·0 cites
- 2667US12192655B2Time delay integration sensor handling defect pixelsPIXART IMAGING INC·Filed 2023·Granted Jan 7, 2025·0 cites·16 claims
- 2767US11783633B2Motion sensor using temporal difference pixels and lift-up detection thereofPIXART IMAGING INC·Filed 2021·Granted Oct 10, 2023·0 cites·20 claims
- 2867US7830198B2Multi-input mixer, mixer device, and mixing methodREALTEK SEMICONDUCTOR CORP·Filed 2008·Granted Nov 9, 2010·4 cites·24 claims
- 2966US12347181B2Neural signal detection circuit outputting time difference data or neural dataPIXART IMAGING INC·Filed 2021·Granted Jul 1, 2025·0 cites·9 claims
- 3066US12279054B2Time delay integration sensor with multiple sensor arraysPIXART IMAGING INC·Filed 2023·Granted Apr 15, 2025·0 cites·16 claims
- 3161US11863885B2Time delay integration sensor with multiple sensor arraysPIXART IMAGING INC·Filed 2022·Granted Jan 2, 2024·0 cites·20 claims
- 3259US7612600B2DC offset calibration apparatus and methodREALTEK SEMICONDUCTOR CORP·Filed 2008·Granted Nov 3, 2009·4 cites·11 claims
- 3356US2016185853A1Cancer treatment using antibodies that bind cell surface grp78GILL PARKASH·Filed 2014·Application pending·0 cites
- 3454US2025287117A1Time delay integration sensor with increased aperture areaPIXART IMAGING INC·Filed 2024·Application pending·0 cites
- 3552US2018094054A1Antibodies that bind cell surface grp78 and their use for detection of cancerGILL PARKASH·Filed 2017·Application pending·0 cites
- 3647US12157666B2Sharp, vertically aligned nanowire electrode arrays, high-yield fabrication and intracellular recordingUNIV CALIFORNIA·Filed 2019·Granted Dec 3, 2024·0 cites·18 claims
- 3747US11330206B2Image sensing circuit and method capable of obtaining higher image brightness dynamic rangePIXART IMAGING INC·Filed 2020·Granted May 10, 2022·0 cites·8 claims
- 3846US7782160B2Central frequency adjustment device and adjustable inductor layout using trimmable wireREALTEK SEMICONDUCTOR CORP·Filed 2008·Granted Aug 24, 2010·0 cites·7 claims
- 3946US2025392842A1Time delay integration sensor with in-pixel time delay integrationPIXART IMAGING INC·Filed 2024·Application pending·0 cites
- 4045US11233142B2Intrinsically tunable and ultra-linear multi-fin MIS-HEMT devicesUNIV CALIFORNIA·Filed 2018·Granted Jan 25, 2022·0 cites·13 claims
- 4142US7816971B2Switch circuit having adjustable linearity of differential mode resistancesREALTEK SEMICONDUCTOR CORP·Filed 2008·Granted Oct 19, 2010·0 cites·8 claims
- 4242US2009108947A1Voltage Controlled OscillatorLIU REN-CHIEH·Filed 2008·Application pending·0 cites
- 4342US2011213127A1Methods for using and identifying modulators of delta-like 4VASGENE THERAPEUTICS INC·Filed 2011·Application pending·0 cites
- 4442US2008194222A1Mixing apparatus and methodREALTEK SEMICONDUCTOR CORP·Filed 2008·Application pending·0 cites
- 4539US7576618B2Frequency synthesizer with a plurality of frequency locking circuitsREALTEK SEMICONDUCTOR CORP·Filed 2007·Granted Aug 18, 2009·0 cites·17 claims
- 4639US7288976B2Charge pump circuit and method thereofREALTEK SEMICONDUCTOR CORP·Filed 2006·Granted Oct 30, 2007·0 cites·22 claims
- 4738US11343448B2Method of operating an HDR pixel circuit achieving high precisionPIXART IMAGING INC·Filed 2020·Granted May 24, 2022·0 cites·16 claims
Join the waitlist — get patent alerts
Get an alert when Ren-Chieh Liu files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →