Inventor · disambiguated record
Chengwu Cui
Also filed as: CUI CHENGWU · CUI CHENGWU LUKE
50 granted patents·16 pending applications·550 citations·filing 2002–2025
98Inventor score
Files withAMAZON TECH INC24LEXMARK INT INC15CUI CHENGWU12MICROSOFT TECHNOLOGY LICENSING LLC5ALLEN EUGENE DAVID4
Top patents by PatentIndex Score
66 records- 0198US10497129B1Image-based weather condition detectionAMAZON TECH INC·Filed 2016·Granted Dec 3, 2019·47 cites·20 claims
- 0298US10198955B1Drone marker and landing zone verificationAMAZON TECH INC·Filed 2016·Granted Feb 5, 2019·78 cites·18 claims
- 0398US10176722B1Location marker with lightsAMAZON TECH INC·Filed 2016·Granted Jan 8, 2019·23 cites·20 claims
- 0498US10049589B1Obstacle awareness based guidance to clear landing spaceAMAZON TECH INC·Filed 2016·Granted Aug 14, 2018·58 cites·17 claims
- 0597US10853942B1Camera calibration in a mobile environmentAMAZON TECH INC·Filed 2016·Granted Dec 1, 2020·33 cites·18 claims
- 0697US10538326B1Flare detection and avoidance in stereo vision systemsAMAZON TECH INC·Filed 2016·Granted Jan 21, 2020·21 cites·20 claims
- 0797US10182225B1Processing images to remove precipitationAMAZON TECH INC·Filed 2016·Granted Jan 15, 2019·41 cites·20 claims
- 0896US10121117B1Drone location signature filtersAMAZON TECH INC·Filed 2016·Granted Nov 6, 2018·38 cites·18 claims
- 0995US10203476B2Lens assemblyMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2015·Granted Feb 12, 2019·16 cites·20 claims
- 1094US10721375B1Vehicle camera contamination detectionAMAZON TECH INC·Filed 2016·Granted Jul 21, 2020·13 cites·20 claims
- 1194US10281916B1Detection of transparent elements using specular reflectionAMAZON TECH INC·Filed 2016·Granted May 7, 2019·14 cites·20 claims
- 1294US10176378B1Techniques for target detectionAMAZON TECH INC·Filed 2016·Granted Jan 8, 2019·20 cites·20 claims
- 1393US10388172B1Obstacle awareness based guidance to clear landing spaceAMAZON TECH INC·Filed 2018·Granted Aug 20, 2019·11 cites·20 claims
- 1493US10032384B1Location marker with retroreflectorsAMAZON TECH INC·Filed 2016·Granted Jul 24, 2018·12 cites·20 claims
- 1592US10992921B1Self-calibrating stereo camera pairs provided aboard aerial vehiclesAMAZON TECH INC·Filed 2019·Granted Apr 27, 2021·8 cites·20 claims
- 1691US10809309B2Power supply monitoring system using strain gaugesAMAZON TECH INC·Filed 2019·Granted Oct 20, 2020·3 cites·19 claims
- 1787US10573024B1Distance detection based on chromatic aberrationAMAZON TECH INC·Filed 2016·Granted Feb 25, 2020·5 cites·20 claims
- 1886US10196141B1Detection of transparent elements using reflective disparitiesAMAZON TECH INC·Filed 2016·Granted Feb 5, 2019·12 cites·19 claims
- 1985US9888164B1Digital camera focus self-calibrationMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2016·Granted Feb 6, 2018·4 cites·20 claims
- 2081US10922984B1Drone marker and landing zone verificationAMAZON TECH INC·Filed 2018·Granted Feb 16, 2021·3 cites·19 claims
- 2179US6956581B2Gamut mapping algorithm for business graphicsLEXMARK INT INC·Filed 2002·Granted Oct 18, 2005·18 cites·48 claims
- 2277US10812777B1Rolling shutter motion and depth sensingAMAZON TECH INC·Filed 2018·Granted Oct 20, 2020·5 cites·19 claims
- 2376US10482775B1Location marker with retroreflectorsAMAZON TECH INC·Filed 2018·Granted Nov 19, 2019·2 cites·20 claims
- 2475US8485675B2Illumination assembly for a scannerALLEN EUGENE DAVID·Filed 2010·Granted Jul 16, 2013·2 cites·18 claims
- 2573US9696470B2Sensing images and light sources via visible light filtersMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2015·Granted Jul 4, 2017·2 cites·20 claims
- 2673US7388693B2System and methods for multiple imaging element scanning and copyingLEXMARK INT INC·Filed 2003·Granted Jun 17, 2008·11 cites·49 claims
- 2773US6764162B2Shingle masks that reduce banding effect on ink jet printersLEXMARK INT INC·Filed 2002·Granted Jul 20, 2004·18 cites·22 claims
- 2871US11754708B1Object detection using propeller noiseAMAZON TECH INC·Filed 2018·Granted Sep 12, 2023·3 cites·18 claims
- 2971US11238281B1Light source detection in field of viewAMAZON TECH INC·Filed 2017·Granted Feb 1, 2022·4 cites·20 claims
- 3070US8610969B2Illumination assembly for a scanner with thermally conductive heat sinkALLEN EUGENE DAVID·Filed 2010·Granted Dec 17, 2013·2 cites·20 claims
- 3170US8405889B2Raisable scan head for an imaging apparatusCUI CHENGWU·Filed 2010·Granted Mar 26, 2013·2 cites·19 claims
- 3268US8422096B2Method for dissipating heat produced in scan head assembly of imaging apparatusCUI CHENGWU·Filed 2008·Granted Apr 16, 2013·2 cites·10 claims
- 3367US8089663B2Detachable transparent plate for scan head assemblyCUI CHENGWU·Filed 2007·Granted Jan 3, 2012·2 cites·22 claims
- 3463US10393821B2Power supply monitoring system using optical estimationAMAZON TECH INC·Filed 2017·Granted Aug 27, 2019·0 cites·17 claims
- 3563US8400688B2Mounting bracket for image sensing unit of a scannerALLEN EUGENE DAVID·Filed 2010·Granted Mar 19, 2013·1 cites·18 claims
- 3663US2025301111A1Deferred color correction in image processing pipelines for autonomous systems and applicationsNVIDIA CORP·Filed 2025·Application pending·0 cites
- 3761US8228571B2Image scanning apparatus and methodsBEEGLE JAMES THOMAS·Filed 2008·Granted Jul 24, 2012·3 cites·8 claims
- 3860US12363269B2Deferred color correction in image processing pipelines for autonomous systems and applicationsNVIDIA CORP·Filed 2022·Granted Jul 15, 2025·0 cites·20 claims
- 3959US7423789B2Contaminant particle identification and compensation with multichannel information during scanner calibrationLEXMARK INT INC·Filed 2005·Granted Sep 9, 2008·2 cites·21 claims
- 4057US11073829B1Transparent element detection for vehiclesAMAZON TECH INC·Filed 2019·Granted Jul 27, 2021·0 cites·20 claims
- 4157US2006252023A1Methods for automatically identifying user selected answers on a test sheetLEXMARK INT INC·Filed 2005·Application pending·0 cites
- 4255US7911654B2Estimating light output of a lamp in a scannerLEXMARK INT INC·Filed 2005·Granted Mar 22, 2011·2 cites·16 claims
- 4355US7791756B2Methods for identifying marks using a digital master document and scanned image enhancementLEXMARK INT INC·Filed 2005·Granted Sep 7, 2010·2 cites·8 claims
- 4452US8432584B2Scanner and system employing composite illuminationCUI CHENGWU·Filed 2007·Granted Apr 30, 2013·0 cites·18 claims
- 4552US8322872B2Linear light diffusing structure for document scannersCUI CHENGWU·Filed 2009·Granted Dec 4, 2012·1 cites·21 claims
- 4652US7913992B2Methods of moving a media sheet in a scanning deviceLEXMARK INT INC·Filed 2007·Granted Mar 29, 2011·0 cites·19 claims
- 4751US8159732B2Apparatus and method for scanner skew adjustment in an image forming deviceCUI CHENGWU·Filed 2008·Granted Apr 17, 2012·0 cites·25 claims
- 4851US7675641B2Method and device for converting scanned text to audio data via connection lines and lookup tablesLEXMARK INT INC·Filed 2004·Granted Mar 9, 2010·6 cites·6 claims
- 4949US2009180160A1Optical imaging with optimized illumination efficiency and uniformityCUI CHENGWU·Filed 2008·Application pending·0 cites
- 5049US2006119898A1Methods for providing encoded visual borders on a scannable documentLEXMARK INT INC·Filed 2004·Application pending·0 cites
Showing the top 50 of 66 patent records by PatentIndex Score.
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