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COMPUTER MICROFILM INT

Overview
  • Total Patents
    19
About

COMPUTER MICROFILM INT has a total of 19 patent applications. Its first patent ever was published in 1978. It filed its patents most often in Canada, France and United States. Its main competitors in its focus markets audio-visual technology and computer technology are CAVE ANDREW WILLIAM PETER, SYNECTIX LTD and NGCODEC INC.

Patent filings in countries

World map showing COMPUTER MICROFILM INTs patent filings in countries
# Country Total Patents
#1 Canada 6
#2 France 5
#3 United States 5
#4 Germany 1
#5 United Kingdom 1
#6 Japan 1

Patent filings per year

Chart showing COMPUTER MICROFILM INTs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Smith David L 8
#2 O'Brien Gerald E 6
#3 Jameison John M 2
#4 Smith Dwight H 2
#5 Jiyon Emu Jiyameison 1
#6 Deibitsudo Eru Sumisu 1
#7 Dowaito Eichi Sumisu 1
#8 Jamieson John M 1
#9 Jierarudo Ii Oburaian 1
#10 O'Brien Gerald E Sec 1

Latest patents

Publication Filing date Title
CA1124663A Card retrieval device
CA1128648A Film scanning apparatus for a card retrieval device
CA1129078A Video processing circuit for card retrieval device
US4380776A Image positioning apparatus
FR2436447A1 Computer controlled film data card replacement device - uses storage element frame and replacement arm with sensing switch
FR2436450A1 DEVICE FOR READING INFORMATION RECORDED ON FILM, ESPECIALLY IN THE FORM OF CARDS OR CARDS
US4225217A Film card with reference frame
US4271430A Microfilm display apparatus
US4223212A Card selector device
US4190899A Card retrieval device