Inventor · disambiguated record
Richard John Campbell
Also filed as: CAMPBELL JR RICHARD J · CAMPBELL RICHARD · CAMPBELL RICHARD J · CAMPBELL RICHARD JOHN
47 granted patents·4 pending applications·405 citations·filing 1982–2024
98Inventor score
Files withSHARP LAB OF AMERICA INC22CAMPBELL RICHARD JOHN12CHEN LAWRENCE SHAO-HSIEN3CAMPBELL RICHARD J2FERMAN AHMET MUFIT2
Top patents by PatentIndex Score
51 records- 0194US7864365B2Methods and systems for segmenting a digital image into regionsSHARP LAB OF AMERICA INC·Filed 2006·Granted Jan 4, 2011·21 cites·16 claims
- 0289US7379594B2Methods and systems for automatic detection of continuous-tone regions in document imagesSHARP LAB OF AMERICA INC·Filed 2004·Granted May 27, 2008·53 cites·2 claims
- 0389US7221807B2Methods and systems for digital image characteristic adjustment using a neural networkSHARP LAB OF AMERICA INC·Filed 2002·Granted May 22, 2007·39 cites·10 claims
- 0488US8014596B2Methods and systems for background color extrapolationSHARP LAB OF AMERICA INC·Filed 2007·Granted Sep 6, 2011·10 cites·24 claims
- 0587US9524445B2Methods and systems for suppressing non-document-boundary contours in an imageSHARP LABORATORIES AMERICA INC·Filed 2015·Granted Dec 20, 2016·8 cites·16 claims
- 0686US12081906B2Parallel processing of digital imagesLOGITECH EUROPE SA·Filed 2022·Granted Sep 3, 2024·3 cites·20 claims
- 0786US8368956B2Methods and systems for segmenting a digital image into regionsSHARP LAB OF AMERICA INC·Filed 2010·Granted Feb 5, 2013·6 cites·14 claims
- 0885US7876959B2Methods and systems for identifying text in digital imagesSHARP LAB OF AMERICA INC·Filed 2006·Granted Jan 25, 2011·21 cites·9 claims
- 0985US6807286B1Object recognition using binary image quantization and hough kernelsMICROSOFT CORP·Filed 2000·Granted Oct 19, 2004·54 cites·42 claims
- 1083US10210602B2System and method for normalized focal length profilingSHARP LABORATORIES OF AMERICA SLA INC·Filed 2016·Granted Feb 19, 2019·5 cites·18 claims
- 1183US8189917B2Methods and systems for locating text in a digital imageCAMPBELL RICHARD JOHN·Filed 2008·Granted May 29, 2012·18 cites·20 claims
- 1281US8284467B2Intelligent toner saving for color copyingPATTON RONNIE NEIL·Filed 2007·Granted Oct 9, 2012·8 cites·3 claims
- 1381US8160365B2Methods and systems for identifying digital image characteristicsCAMPBELL RICHARD JOHN·Filed 2008·Granted Apr 17, 2012·16 cites·23 claims
- 1480US10289924B2System and method for scanned document correctionSHARP LABORATORIES OF AMERICA SLA INC·Filed 2016·Granted May 14, 2019·4 cites·24 claims
- 1579US9390342B2Methods, systems and apparatus for correcting perspective distortion in a document imageCAMPBELL RICHARD JOHN·Filed 2011·Granted Jul 12, 2016·8 cites·28 claims
- 1679US7856142B2Methods and systems for detecting character content in a digital imageSHARP LAB OF AMERICA INC·Filed 2007·Granted Dec 21, 2010·15 cites·21 claims
- 1778US8023741B2Methods and systems for detecting numerals in a digital imageSHARP LAB OF AMERICA INC·Filed 2008·Granted Sep 20, 2011·11 cites·11 claims
- 1875US8150166B2Methods and systems for identifying text in digital imagesMATSUDA TOYOHISA·Filed 2011·Granted Apr 3, 2012·5 cites·10 claims
- 1973US8340430B2Methods and systems for identifying digital image characteristicsCAMPBELL RICHARD JOHN·Filed 2007·Granted Dec 25, 2012·10 cites·11 claims
- 2073US8023770B2Methods and systems for identifying the orientation of a digital imageSHARP LAB OF AMERICA INC·Filed 2008·Granted Sep 20, 2011·8 cites·13 claims
- 2171US8229248B2Methods and systems for identifying the orientation of a digital imageFERMAN AHMET MUFIT·Filed 2011·Granted Jul 24, 2012·4 cites·13 claims
- 2271US7835035B2Intelligent toner saving for color printingSHARP LAB OF AMERICA INC·Filed 2007·Granted Nov 16, 2010·3 cites·6 claims
- 2371US4512274ASeam for tube of cloth, fabric or flexible materialCAMPBELL JR RICHARD J·Filed 1982·Granted Apr 23, 1985·10 cites·8 claims
- 2469US8488213B2Methods and systems for no-touch scanningCAMPBELL RICHARD JOHN·Filed 2010·Granted Jul 16, 2013·2 cites·27 claims
- 2568US8773464B2Methods and systems for collaborative-writing-surface image formationCAMPBELL RICHARD JOHN·Filed 2010·Granted Jul 8, 2014·2 cites·16 claims
- 2664US7283645B2Object recognition using binary image quantization and Hough kernelsMICROSOFT CORP·Filed 2004·Granted Oct 16, 2007·15 cites·7 claims
- 2760US8571343B2Methods and systems for document-image correctionCHEN LAWRENCE SHAO-HSIEN·Filed 2011·Granted Oct 29, 2013·2 cites·20 claims
- 2860US7266243B2Methods and systems for complexity-based segmentation refinementSHARP LAB OF AMERICA INC·Filed 2004·Granted Sep 4, 2007·6 cites·31 claims
- 2960US2025008055A1Parallel processing of digital imagesLOGITECH EUROPE SA·Filed 2024·Application pending·0 cites
- 3058US8437054B2Methods and systems for identifying regions of substantially uniform color in a digital imageCAMPBELL RICHARD JOHN·Filed 2006·Granted May 7, 2013·3 cites·22 claims
- 3158US7792359B2Methods and systems for detecting regions in digital imagesSHARP LAB OF AMERICA INC·Filed 2006·Granted Sep 7, 2010·3 cites·20 claims
- 3255US8947453B2Methods and systems for mobile document acquisition and enhancementCHEN LAWRENCE SHAO-HSIEN·Filed 2011·Granted Feb 3, 2015·1 cites·31 claims
- 3353US8121403B2Methods and systems for glyph-pixel selectionCAMPBELL RICHARD J·Filed 2007·Granted Feb 21, 2012·0 cites·22 claims
- 3453US2011141278A1Methods and Systems for Collaborative-Writing-Surface Image SharingCAMPBELL RICHARD JOHN·Filed 2010·Application pending·0 cites
- 3552US7889932B2Methods and systems for detecting regions in digital imagesSHARP LAB OF AMERICA INC·Filed 2006·Granted Feb 15, 2011·1 cites·16 claims
- 3652US7266242B2Methods and systems for complexity-based regional process selectionSHARP LAB OF AMERICA INC·Filed 2004·Granted Sep 4, 2007·3 cites·9 claims
- 3752US7212683B2Method and systems for complexity-based process combinationSHARP LAB OF AMERICA INC·Filed 2004·Granted May 1, 2007·3 cites·24 claims
- 3851US8300945B2Methods and systems for connected-component labelingCAMPBELL RICHARD JOHN·Filed 2008·Granted Oct 30, 2012·1 cites·23 claims
- 3951US2011145725A1Methods and Systems for Attaching Semantics to a Collaborative Writing SurfaceCAMPBELL RICHARD JOHN·Filed 2009·Application pending·0 cites
- 4050US8280157B2Methods and systems for refining text detection in a digital imageCHEN LAWRENCE SHAO-HSIEN·Filed 2007·Granted Oct 2, 2012·1 cites·22 claims
- 4147US7840069B2Methods and systems for alternative, complexity-based process selectionSHARP LAB OF AMERICA INC·Filed 2004·Granted Nov 23, 2010·1 cites·22 claims
- 4247US7266253B2Methods and systems for complexity-based process selectionSHARP LAB OF AMERICA INC·Filed 2004·Granted Sep 4, 2007·1 cites·25 claims
- 4347US7266252B2Methods and systems for complexity-based variable process selection and applicationSHARP LAB OF AMERICA INC·Filed 2004·Granted Sep 4, 2007·1 cites·20 claims
- 4447US7260276B2Methods and systems for complexity estimation and complexity-based selectionSHARP LAB OF AMERICA INC·Filed 2004·Granted Aug 21, 2007·1 cites·14 claims
- 4546US8406530B2Methods and systems for detecting numerals in a digital imageFERMAN AHMET MUFIT·Filed 2011·Granted Mar 26, 2013·0 cites·8 claims
- 4646US7292736B2Methods and systems for complexity-based process blendingSHARP LAB OF AMERICA INC·Filed 2004·Granted Nov 6, 2007·1 cites·20 claims
- 4746US7218778B2Methods and system for sectionalized complexity-based process selectionSHARP LAB OF AMERICA INC·Filed 2004·Granted May 15, 2007·1 cites·15 claims
- 4846US7212684B2Methods and systems for cumulative, complexity-based process selectionSHARP LAB OF AMERICA INC·Filed 2004·Granted May 1, 2007·1 cites·18 claims
- 4942US2009041344A1Methods and Systems for Determining a Background Color in a Digital ImageCAMPBELL RICHARD JOHN·Filed 2007·Application pending·0 cites
- 5041US8630498B2Methods and systems for detecting pictorial regions in digital imagesCAMPBELL RICHARD JOHN·Filed 2006·Granted Jan 14, 2014·0 cites·20 claims
Showing the top 50 of 51 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →