Inventor · Philadelphia, PA, US

Sankar Ghosh

63Patents
28h-index
52Co-inventors
91Inventor score

Filing activity: Mar 22, 1999 → Dec 26, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US7128266B2 Hand-supportable digital imaging-based bar code symbol reader supporting narrow-area and wide-area modes of illumination and image capture Physics 688 Expired
US7527205B2 Automated package dimensioning system Physics 189 Active
US6837432B2 METHOD OF AND APPARATUS FOR AUTOMATICALLY CROPPING CAPTURED LINEAR IMAGES OF A MOVING OBJECT PRIOR TO IMAGE PROCESSING USING REGION OF INTEREST (ROI) COORDINATE SPECIFICATIONS CAPTURED BY AN OBJECT PROFILING SUBSYSTEM Electricity 154 Expired
US7104453B1 Unitary package identification and dimensioning system employing ladar-based scanning methods Physics 133 Expired
US6457642B1 Automated system and method for identifying and measuring packages transported through a laser scanning tunnel Physics 122 Expired
US7086595B2 METHOD OF AND APPARATUS FOR PROCESSING CAPTURED DIGITAL IMAGES OF OBJECTS WITHIN A SEMI-AUTOMATIC HAND-SUPPORTABLE IMAGING-BASED BAR CODE SYMBOL READER SO AS TO READ 1D AND/OR 2D BAR CODE SYMBOLS GRAPHICALLY REPRESENTED THEREIN Physics 71 Expired
US6554189B1 Automated system and method for identifying and measuring packages transported through a laser scanning tunnel Physics 64 Expired
US7240844B2 Hand-suportable imaging-based bar code symbol reader employing an automatic light exposure measurement and illumination control subsystem for measuring illumination exposure on CMOS image sensing array and controlling LED illumination array driver circuitry Physics 62 Expired
US7490774B2 Hand-supportable imaging based bar code symbol reader employing automatic light exposure measurement and illumination control subsystem integrated therein Physics 58 Expired
US7281661B2 Hand-supportable digital imaging-based bar code symbol reading system employing a method of intelligently illuminating an object so as to generate a digital image thereof which is substantially free of noise caused by specular-type reflection Physics 55 Expired
US6978936B2 Method of and system for automatically producing digital images of moving objects, with pixels having a substantially uniform white level independent of the velocities of the moving objects Electricity 53 Expired
US6971577B2 Method of and system for automatically producing digital images of a moving object, with pixels having a substantially uniform white level independent of the velocity of said moving object Electricity 53 Expired
US6830185B2 Method of and system for automatically producing digital images of a moving object, with pixels having a substantially uniform white level independent of the velocity of said moving object Electricity 51 Expired
US6705528B2 Automated system and method for identifying and measuring packages transported through a laser scanning tunnel Physics 46 Expired
US6918541B2 Object identification and attribute information acquisition and linking computer system Electricity 45 Expired
US7185817B2 Hand-supportable digital imaging-based bar codes symbol reader employing multi-mode subsystems Physics 44 Expired
US7237722B2 Hand-supported imaging-based bar code symbol reader employing a multi-mode image-processing based bar code reading subsystem with modular image-processing architecture Physics 40 Expired
US7490778B2 Method of reading code symbols using a hand-supportable digital image capturing and processing device employing a micro-computing platform supporting an event-driven multi-tier modular software architecture Physics 39 Active
US7320431B2 Digital imaging-based bar code symbol reading system employing a multi-mode illumination subsystem with far-field and near field led-based illumination arrays Physics 38 Expired
US7357325B2 Hand-supportable imaging-based bar code symbol reader employing a CMOS-type image sensor using global exposure techniques Physics 37 Expired
US6619550B1 AUTOMATED TUNNEL-TYPE LASER SCANNING SYSTEM EMPLOYING CORNER-PROJECTED ORTHOGONAL LASER SCANNING PATTERNS FOR ENHANCED READING OF LADDER AND PICKET FENCE ORIENTED BAR CODES ON PACKAGES MOVING THERETHROUGH Physics 36 Expired
US7255279B2 Hand-supportable digital imaging-based bar code reading system wherein, during each imaging cycle, a single frame of pixel data is automatically detected by a CMOS area-type image sensing array when substantially all rows of pixels therein are in a state of integration and have a common integration time, and then pixel data is transmitted from said CMOS area-type image sensing array into a FIFO buffer, and then mapped into memory for subsequent image processing Physics 35 Expired
US7513430B2 Digital image capturing and processing system employing an area-type image sensing array exposed to narrow-band illumination from a narrow-band illumination subsystem for a time duration controlled using a photodetector operated independently from said area-type image sensing array Physics 34 Active
US7066391B2 HAND-SUPPORTABLE PLANAR LASER ILLUMINATION AND IMAGING (PLIIM) BASED CAMERA SYSTEM CAPABLE OF PRODUCING DIGITAL LINEAR IMAGES OF AN OBJECT, CONTAINING PIXELS HAVING A SUBSTANTIALLY UNIFORM ASPECT-RATIO INDEPENDENT OF THE MEASURED RELATIVE VELOCITY OF AN OBJECT WHILE MANUALLY MOVING SAID PLIIM BASED CAMERA SYSTEM PAST SAID OBJECT DURING ILLUMINATION AND IMAGING OPERATIONS Electricity 31 Expired
US7360706B2 Hand-supportable imaging-based auto-discriminating 1D/2D bar code symbol reader employing a multi-mode image processing bar code symbol reading subsystem having a plurality of modes of operation which are dynamically reconfigurable in response to real-time image analysis Physics 31 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.