Inventor · disambiguated record
Leon C. Williams
Also filed as: WILLIAMS LEON · WILLIAMS LEON C · WILLIAMS LEON CALVIN
64 granted patents·2 pending applications·1,661 citations·filing 1986–2024
99Inventor score
Top patents by PatentIndex Score
66 records- 0197US9914309B2Method and apparatus for single-pass failed nozzle compensationELECTRONICS FOR IMAGING INC·Filed 2014·Granted Mar 13, 2018·20 cites·12 claims
- 0293US5642202AScan image target locator system for calibrating a printing systemXEROX CORP·Filed 1994·Granted Jun 24, 1997·140 cites·17 claims
- 0392US11212421B2Interactive three-dimensional (3D) color histogramsELECTRONICS FOR IMAGING INC·Filed 2019·Granted Dec 28, 2021·5 cites·23 claims
- 0489US10447896B2Interactive three-dimensional (3D) color histogramsELECTRONICS FOR IMAGING INC·Filed 2017·Granted Oct 15, 2019·4 cites·7 claims
- 0589US5513282AMethod and apparatus for controlling the processing of digital image signalsXEROX CORP·Filed 1995·Granted Apr 30, 1996·96 cites·15 claims
- 0688US6594401B1Detection and elimination of scanning artifactsXEROX CORP·Filed 1999·Granted Jul 15, 2003·107 cites·16 claims
- 0784US5959290AImage input device and method for providing scanning artifact detectionXEROX CORP·Filed 1998·Granted Sep 28, 1999·84 cites·23 claims
- 0881US5809177AHybrid error diffusion pattern shifting reduction using programmable threshold perturbationXEROX CORP·Filed 1996·Granted Sep 15, 1998·68 cites·19 claims
- 0980US6181829B1Method and system for classifying and processing of pixels of image dataXEROX CORP·Filed 1998·Granted Jan 30, 2001·64 cites·11 claims
- 1080US5729663AMethod and apparatus for gray screeningXEROX CORP·Filed 1995·Granted Mar 17, 1998·64 cites·20 claims
- 1180US5237432AImage scaling apparatusXEROX CORP·Filed 1991·Granted Aug 17, 1993·65 cites·16 claims
- 1280US2024397014A1Interactive Three-Dimensional (3D) Color HistogramsFIERY LLC·Filed 2024·Application pending·0 cites
- 1378US9891867B2Protocol for interaction between wireless devices and other devicesWILLIAMS LEON·Filed 2011·Granted Feb 13, 2018·6 cites·22 claims
- 1477US12273495B2Interactive three-dimensional (3D) color histogramsFIERY LLC·Filed 2023·Granted Apr 8, 2025·0 cites·13 claims
- 1577US12088772B2Interactive three-dimensional (3D) color histogramsFIERY LLC·Filed 2023·Granted Sep 10, 2024·0 cites·19 claims
- 1677US6678414B1Loose-gray-scale template matchingXEROX CORP·Filed 2000·Granted Jan 13, 2004·29 cites·19 claims
- 1777US5778156AMethod and system for implementing fuzzy image processing of image dataXEROX CORP·Filed 1996·Granted Jul 7, 1998·66 cites·36 claims
- 1877US5327262AAutomatic image segmentation with smoothingXEROX CORP·Filed 1993·Granted Jul 5, 1994·55 cites·20 claims
- 1976US8885181B2Virtual press runWILLIAMS LEON·Filed 2010·Granted Nov 11, 2014·7 cites·40 claims
- 2076US5608821AMethod of high addressability error diffusionXEROX CORP·Filed 1994·Granted Mar 4, 1997·38 cites·13 claims
- 2175US6144775AMethod and system for storing error values for an image conversion process utilizing dynamic error diffusionXEROX CORP·Filed 1997·Granted Nov 7, 2000·43 cites·4 claims
- 2275US5790211APlaten cover for a digital document scanner with electrically switchable reflectance modesXEROX CORP·Filed 1995·Granted Aug 4, 1998·48 cites·15 claims
- 2374US5880857AError diffusion pattern shifting reduction through programmable threshold perturbationXEROX CORP·Filed 1996·Granted Mar 9, 1999·48 cites·21 claims
- 2474US2025061300A1High-Speed Printer Video Interface Using a High-Definition Media Interface (HDMI)FIERY LLC·Filed 2024·Application pending·0 cites
- 2573US12169746B2High-speed printer video interface using a high-definition media interface (HDMI)FIERY LLC·Filed 2023·Granted Dec 17, 2024·0 cites·4 claims
- 2673US6608701B1Compact high addressability renderingXEROX CORP·Filed 1999·Granted Aug 19, 2003·40 cites·21 claims
- 2773US6175427B1System and method of tonal correction of independent regions on a compound documentXEROX CORP·Filed 1998·Granted Jan 16, 2001·57 cites·12 claims
- 2872US12250356B2Interactive three-dimensional (3D) color histogramsFIERY LLC·Filed 2021·Granted Mar 11, 2025·0 cites·13 claims
- 2972US5274472AHigh addressability image generator using pseudo interpolation of video and screen dataXEROX CORP·Filed 1992·Granted Dec 28, 1993·41 cites·7 claims
- 3071US11086246B2Method and apparatus for variable gloss reductionELECTRONICS FOR IMAGING INC·Filed 2019·Granted Aug 10, 2021·0 cites·5 claims
- 3171US11022906B2Method and apparatus for variable gloss reductionELECTRONICS FOR IMAGING INC·Filed 2019·Granted Jun 1, 2021·0 cites·4 claims
- 3271US6449396B1Compact rendering for processing binary high addressability imagesXEROX CORP·Filed 1999·Granted Sep 10, 2002·38 cites·10 claims
- 3371US4878119ASystem for synchronizing integration pulses with integration signal in an asynchronous raster input scannerXEROX CORP·Filed 1988·Granted Oct 31, 1989·25 cites·5 claims
- 3470US7058350B2Copier or scanner platen cover with fluorescent coatingXEROX CORP·Filed 2002·Granted Jun 6, 2006·9 cites·20 claims
- 3569US11169462B2Method and apparatus for variable gloss reductionELECTRONICS FOR IMAGING INC·Filed 2018·Granted Nov 9, 2021·0 cites·6 claims
- 3669US6683702B1Compact-dot reproduction of scanned halftone screensXEROX CORP·Filed 1999·Granted Jan 27, 2004·35 cites·19 claims
- 3769US6647144B2Detection and verification of scanning attributesXEROX CORP·Filed 2000·Granted Nov 11, 2003·9 cites·15 claims
- 3868US5528384ASystem and method for implementing fast high addressability error diffusion processXEROX CORP·Filed 1994·Granted Jun 18, 1996·26 cites·17 claims
- 3967US5390029AMethod for controlling the processing of digital image signalsXEROX CORP·Filed 1994·Granted Feb 14, 1995·26 cites·2 claims
- 4066US6427030B1Method and system for image conversion utilizing dynamic error diffusionXEROX CORP·Filed 1994·Granted Jul 30, 2002·20 cites·15 claims
- 4166US5696601ASystem and method for redistributing error values from an error diffusion processXEROX CORP·Filed 1994·Granted Dec 9, 1997·24 cites·29 claims
- 4266US4757389ACalibration improvement with dither for a raster input scannerXEROX CORP·Filed 1987·Granted Jul 12, 1988·20 cites·5 claims
- 4365US8553286B2Halftoning method and apparatus using templates indexed by codeWILLIAMS LEON·Filed 2012·Granted Oct 8, 2013·1 cites·6 claims
- 4464US5307180AMethod and apparatus for controlling the processing of digital image signalsXEROX CORP·Filed 1991·Granted Apr 26, 1994·24 cites·21 claims
- 4562US8922818B2Mobile print email reply with thumbnailsELECTRONICS FOR IMAGING INC·Filed 2013·Granted Dec 30, 2014·1 cites·12 claims
- 4661US10114307B2Method and apparatus for variable gloss reductionELECTRONICS FOR IMAGING INC·Filed 2013·Granted Oct 30, 2018·0 cites·5 claims
- 4761US5606648AApparatus and method for modulating image signals in a high addressability printing machineXEROX CORP·Filed 1994·Granted Feb 25, 1997·21 cites·28 claims
- 4861US5579418AImage interpolation apparatusXEROX CORP·Filed 1994·Granted Nov 26, 1996·29 cites·12 claims
- 4959US6122393AImage input device and method for providing scanning artifact detectionXEROX CORP·Filed 1998·Granted Sep 19, 2000·22 cites·23 claims
- 5058US6229923B1Method and system for classifying and processing of pixels of image dataXEROX CORP·Filed 1998·Granted May 8, 2001·43 cites·19 claims
Showing the top 50 of 66 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →