Assignee
COGNEX TECH & INVESTMENT CORP
US·65 granted patents·1 pending application·2,672 citations·filing 1997–2011
Top patents by PatentIndex Score
66 records- 0198US6681151B1System and method for servoing robots based upon workpieces with fiducial marks using machine visionCOGNEX TECH & INVESTMENT CORP·Filed 2000·Granted Jan 20, 2004·356 cites·37 claims
- 0297US7614563B1System and method for providing diffuse illumination in a symbology readerCOGNEX TECH & INVESTMENT CORP·Filed 2005·Granted Nov 10, 2009·76 cites·29 claims
- 0396US7305114B2Human/machine interface for a machine vision sensor and method for installing and operating the sameCOGNEX TECH & INVESTMENT CORP·Filed 2001·Granted Dec 4, 2007·164 cites·31 claims
- 0495US7221805B1Method for generating a focused image of an objectCOGNEX TECH & INVESTMENT CORP·Filed 2001·Granted May 22, 2007·84 cites·13 claims
- 0593US7874487B2Integrated illumination assembly for symbology readerCOGNEX TECH & INVESTMENT CORP·Filed 2005·Granted Jan 25, 2011·30 cites·41 claims
- 0692US7604174B2Method and apparatus for providing omnidirectional lighting in a scanning deviceCOGNEX TECH & INVESTMENT CORP·Filed 2004·Granted Oct 20, 2009·62 cites·29 claims
- 0792US6636298B1Method and apparatus for focusing an optical inspection systemCOGNEX TECH & INVESTMENT CORP·Filed 2001·Granted Oct 21, 2003·62 cites·25 claims
- 0891US7549582B1Method and apparatus for adjusting focus in a symbology readerCOGNEX TECH & INVESTMENT CORP·Filed 2007·Granted Jun 23, 2009·24 cites·17 claims
- 0991US7162073B1Methods and apparatuses for detecting classifying and measuring spot defects in an image of an objectCOGNEX TECH & INVESTMENT CORP·Filed 2001·Granted Jan 9, 2007·127 cites·21 claims
- 1090US7412106B1Methods for locating and decoding distorted two-dimensional matrix symbolsCOGNEX TECH & INVESTMENT CORP·Filed 2005·Granted Aug 12, 2008·19 cites·31 claims
- 1190US7181066B1Method for locating bar codes and symbols in an imageCOGNEX TECH & INVESTMENT CORP·Filed 2002·Granted Feb 20, 2007·104 cites·23 claims
- 1290US6798515B1Method for calculating a scale relationship for an imaging systemCOGNEX TECH & INVESTMENT CORP·Filed 2001·Granted Sep 28, 2004·29 cites·40 claims
- 1389US7171036B1Method and apparatus for automatic measurement of pad geometry and inspection thereofCOGNEX TECH & INVESTMENT CORP·Filed 2003·Granted Jan 30, 2007·54 cites·13 claims
- 1488US7297969B1Web marking and inspection systemCOGNEX TECH & INVESTMENT CORP·Filed 2003·Granted Nov 20, 2007·66 cites·32 claims
- 1587US8345979B2Methods for finding and characterizing a deformed pattern in an imageCOGNEX TECH & INVESTMENT CORP·Filed 2007·Granted Jan 1, 2013·30 cites·21 claims
- 1687US7175090B2Methods and apparatus for reading bar code identificationsCOGNEX TECH & INVESTMENT CORP·Filed 2004·Granted Feb 13, 2007·44 cites·27 claims
- 1786US7823789B2Low profile illumination for direct part mark readersCOGNEX TECH & INVESTMENT CORP·Filed 2004·Granted Nov 2, 2010·34 cites·23 claims
- 1886US6983065B1Method for extracting features from an image using oriented filtersCOGNEX TECH & INVESTMENT CORP·Filed 2001·Granted Jan 3, 2006·77 cites·27 claims
- 1986US6721461B1Method and apparatus using image subtraction and dynamic thresholdingCOGNEX TECH & INVESTMENT CORP·Filed 2001·Granted Apr 13, 2004·41 cites·1 claims
- 2086US6563324B1Semiconductor device image inspection utilizing rotation invariant scale invariant methodCOGNEX TECH & INVESTMENT CORP·Filed 2000·Granted May 13, 2003·40 cites·8 claims
- 2185US7823783B2Light pipe illumination system and methodCOGNEX TECH & INVESTMENT CORP·Filed 2003·Granted Nov 2, 2010·28 cites·35 claims
- 2285US7397929B2Method and apparatus for monitoring a passageway using 3D imagesCOGNEX TECH & INVESTMENT CORP·Filed 2003·Granted Jul 8, 2008·32 cites·14 claims
- 2385US6678394B1Obstacle detection systemCOGNEX TECH & INVESTMENT CORP·Filed 1999·Granted Jan 13, 2004·146 cites·19 claims
- 2484US7963448B2Hand held machine vision method and apparatusCOGNEX TECH & INVESTMENT CORP·Filed 2005·Granted Jun 21, 2011·12 cites·15 claims
- 2584US7617984B2Hand held symbology reader illumination diffuserCOGNEX TECH & INVESTMENT CORP·Filed 2004·Granted Nov 17, 2009·27 cites·13 claims
- 2683US6987875B1Probe mark inspection method and apparatusCOGNEX TECH & INVESTMENT CORP·Filed 2001·Granted Jan 17, 2006·33 cites·14 claims
- 2782US7878402B2Decoding distorted symbolsCOGNEX TECH & INVESTMENT CORP·Filed 2005·Granted Feb 1, 2011·10 cites·38 claims
- 2882US7636449B2System and method for assigning analysis parameters to vision detector using a graphical interfaceCOGNEX TECH & INVESTMENT CORP·Filed 2004·Granted Dec 22, 2009·30 cites·33 claims
- 2981US6993177B1Gauging based on global alignment and sub-modelsCOGNEX TECH & INVESTMENT CORP·Filed 2001·Granted Jan 31, 2006·48 cites·12 claims
- 3080US7545949B2Method for setting parameters of a vision detector using production line informationCOGNEX TECH & INVESTMENT CORP·Filed 2004·Granted Jun 9, 2009·13 cites·4 claims
- 3180US7400744B2Stereo door sensorCOGNEX TECH & INVESTMENT CORP·Filed 2003·Granted Jul 15, 2008·54 cites·18 claims
- 3279US6914679B2Side light apparatus and methodCOGNEX TECH & INVESTMENT CORP·Filed 2001·Granted Jul 5, 2005·29 cites·13 claims
- 3378US8363942B1Method for fast, robust, multi-dimensional pattern recognitionCOGNEX TECH & INVESTMENT CORP·Filed 2004·Granted Jan 29, 2013·11 cites·27 claims
- 3478US6594623B1Determining three-dimensional orientation of objectsCOGNEX TECH & INVESTMENT CORP·Filed 1999·Granted Jul 15, 2003·73 cites·12 claims
- 3576US7720315B2System and method for displaying and using non-numeric graphic elements to control and monitor a vision systemCOGNEX TECH & INVESTMENT CORP·Filed 2004·Granted May 18, 2010·12 cites·20 claims
- 3676US6959112B1Method for finding a pattern which may fall partially outside an imageCOGNEX TECH & INVESTMENT CORP·Filed 2001·Granted Oct 25, 2005·34 cites·11 claims
- 3776US6859907B1Large data set storage and display for electronic spreadsheets applied to machine visionCOGNEX TECH & INVESTMENT CORP·Filed 1999·Granted Feb 22, 2005·76 cites·17 claims
- 3876US6307210B1Device for imaging object to be inspected and device for inspecting semiconductor packageCOGNEX TECH & INVESTMENT CORP·Filed 1997·Granted Oct 23, 2001·55 cites·13 claims
- 3975US7623674B2Method and system for enhanced portal security through stereoscopyCOGNEX TECH & INVESTMENT CORP·Filed 2003·Granted Nov 24, 2009·40 cites·36 claims
- 4075US6970608B1Method for obtaining high-resolution performance from a single-chip color image sensorCOGNEX TECH & INVESTMENT CORP·Filed 2001·Granted Nov 29, 2005·14 cites·10 claims
- 4174US7639861B2Method and apparatus for backlighting a wafer during alignmentCOGNEX TECH & INVESTMENT CORP·Filed 2005·Granted Dec 29, 2009·6 cites·16 claims
- 4274US6647132B1Methods and apparatuses for identifying regions of similar texture in an imageCOGNEX TECH & INVESTMENT CORP·Filed 1999·Granted Nov 11, 2003·56 cites·38 claims
- 4373US7190834B2Methods for finding and characterizing a deformed pattern in an imageCOGNEX TECH & INVESTMENT CORP·Filed 2003·Granted Mar 13, 2007·27 cites·22 claims
- 4472US7885453B1Image preprocessing for probe mark inspectionCOGNEX TECH & INVESTMENT CORP·Filed 2007·Granted Feb 8, 2011·7 cites·11 claims
- 4572US6975764B1Fast high-accuracy multi-dimensional pattern inspectionCOGNEX TECH & INVESTMENT CORP·Filed 2003·Granted Dec 13, 2005·14 cites·34 claims
- 4671US7970924B2Deterministic triggering over an ethernet networkCOGNEX TECH & INVESTMENT CORP·Filed 2008·Granted Jun 28, 2011·4 cites·18 claims
- 4771US7957554B1Method and apparatus for human interface to a machine vision systemCOGNEX TECH & INVESTMENT CORP·Filed 2002·Granted Jun 7, 2011·15 cites·15 claims
- 4871US7069499B1Spreadsheet having a clocked delay line object, for processing a continuous data streamCOGNEX TECH & INVESTMENT CORP·Filed 2002·Granted Jun 27, 2006·14 cites·7 claims
- 4966US7417803B2Focusing mechanism for a vision detectorCOGNEX TECH & INVESTMENT CORP·Filed 2004·Granted Aug 26, 2008·7 cites·20 claims
- 5066US7242801B1Image preprocessing for probe mark inspectionCOGNEX TECH & INVESTMENT CORP·Filed 2003·Granted Jul 10, 2007·12 cites·16 claims
Showing the top 50 of 66 patent records by PatentIndex Score.
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