Inventor · Bristol, GB

Raymond W. Smith

26Patents
11h-index
11Co-inventors
72Inventor score

Filing activity: Nov 5, 1975 → Dec 30, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US5583949A Apparatus and method for use in image processing Physics 83 Expired
US8818033B1 System and method for detecting equations Physics 55 Active
US8111927B2 Shape clustering in post optical character recognition processing Physics 47 Active
US7650035B2 Optical character recognition based on shape clustering and multiple optical character recognition processes Physics 45 Active
US7646921B2 High resolution replication of document based on shape clustering Physics 40 Active
US5460381A Pirate game apparatus Human Necessities 40 Expired
US7697758B2 Shape clustering and cluster-level manual identification in post optical character recognition processing Physics 39 Active
US6337924B1 System and method for accurately recognizing text font in a document processing system Physics 26 Expired
US6226658A Layout code tuning in universally readable document files Physics 20 Expired
US8249356B1 Physical page layout analysis via tab-stop detection for optical character recognition Physics 16 Active
US3971544A Apparatus for guiding a rod into a conduit Electricity 11 Expired
US6022022A Method of playing a card game Human Necessities 9 Expired
US8977057B1 Detection of diacritics in OCR systems with assignment to the correct text line Physics 9 Active
US7567004B2 Motor-generator system with a current control feedback loop Emerging Cross-Sectional Technologies 8 Active
US8744171B1 Text script and orientation recognition Physics 7 Active
US10521715B1 Long short-term memory cells with saturating gating functions Physics 6 Active
US8131085B2 Shape clustering in post optical character recognition processing Physics 3 Active
US8666174B2 Techniques for shape clustering and assignment of character codes in post optical character recognition processing Physics 2 Active
US8787673B2 System and method of determining building numbers Physics 1 Active
US8175394B2 Shape clustering in post optical character recognition processing Physics 1 Active
US7868512B2 Motor-generator system with a current control feedback loop Emerging Cross-Sectional Technologies 1 Active
US9020265B2 System and method of determining building numbers Physics 1 Active
US8170351B2 Shape clustering in post optical character recognition processing Physics 1 Active
US7088011B2 Motor-generator system with a current control feedback loop Emerging Cross-Sectional Technologies 1 Expired
US9436886B2 System and method of determining building numbers Physics 0 Active

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