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SUMMAGRAPHICS CORP

Overview
  • Total Patents
    183
About

SUMMAGRAPHICS CORP has a total of 183 patent applications. Its first patent ever was published in 1972. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets computer technology, measurement and textiles and paper are DIGITEXT INC, YU JIUN-DER and SCRIPTEL CORP.

Patent filings per year

Chart showing SUMMAGRAPHICS CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Mcdermott Robert M 27
#2 Purcell Alexander M 25
#3 Parnell James A 14
#4 Zalenski Thomas C 13
#5 Barbetti Jamie L 12
#6 Zalenski Thomas 11
#7 Venthem John C 10
#8 Lasley Daniel G 10
#9 Snyder Edward J 10
#10 Zinsmeyer Charles D 9

Latest patents

Publication Filing date Title
WO9623662A1 Non-linear edge stitching apparatus and method
WO9621210A1 Dynamic pressure adjustment of a pressure-sensitive pointing device for a digitizer
WO9511185A1 Sheet media curl deflector for stacking device
WO9511184A1 Dual edge contact media stacker
WO9511500A1 Pressure sensitive stylus having resiliently compressible tip element
WO9423274A1 A compliant skirt for a drafting plotter
US5416280A Digitizer tablet using relative phase detection
WO9402319A1 Strip mode printing and plotting method
WO9402320A1 Strip mode printing and plotting apparatus and method
US5383733A Ribbon cassette for a printer
WO9402321A1 Sheet medium transport for printers
WO9402322A1 Thermal strip mode printer components and subassemblies
EP0573136A1 Cordless digitizer with sync signal generator
EP0608377A1 Digitizer tablet with cordless pointing device
US5267802A Ribbon cassette storage and transfer apparatus for a printer
US5267401A Method and apparatus for gauging reel diameters in a reel-to-reel sheet material transport system
US5369227A Stylus switch status determination in a digitizer tablet having a cordless stylus
US5173793A Liquid crystal shutter for backlit digitizer
US5303624A Apparatus for cutting sheet media
CA2063975A1 Apparatus and method for plotting using polyline vector lookahead