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AMERICAN EXPRESS INVEST

Overview
  • Total Patents
    27
About

AMERICAN EXPRESS INVEST has a total of 27 patent applications. Its first patent ever was published in 1968. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets optics, measurement and machines are HAINES KENNETH A, RUBENBERGER KARL and PACIFIC HOLOGRAPHICS INC.

Patent filings in countries

World map showing AMERICAN EXPRESS INVESTs patent filings in countries
# Country Total Patents
#1 United States 9
#2 Canada 5
#3 Germany 5
#4 France 5
#5 United Kingdom 3

Patent filings per year

Chart showing AMERICAN EXPRESS INVESTs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Macovski Albert 6
#2 Macovski A 4
#3 Green P 2
#4 Rice P 2
#5 Ramsey S 1
#6 Brain A 1

Latest patents

Publication Filing date Title
US3824393A System for differential particle counting
US3828126A Real time interferometry
CA943384A Hologram reproduction system using an optical grating
US3781474A Hybrid electrostatic-impact printer
CA949795A Real time interferometry
CA974809A Real time interferometry contour mapping system
US3718936A Electrostatic matrix head construction
US3772457A Sonic image transducer using a storage camera
CA935006A Scanned holography systems using temporal modulation
GB1330864A Scanned holography systems using temporal modulation
US3711823A Acoustic to optical image converter using an acoustic grating
US3716826A Acoustic to optical image converter
US3641264A Hologram reproduction system using an optical grating
US3856986A Scanned holography systems using temporal modulation