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PHOTO ELECTRONICS CORP

Overview
  • Total Patents
    22
About

PHOTO ELECTRONICS CORP has a total of 22 patent applications. Its first patent ever was published in 1964. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets optics, audio-visual technology and measurement are NISHIMOTO SANGYO CO LTD, NISHIMOTO SANGYO KK and SUNSTEIN DAVID E.

Patent filings in countries

World map showing PHOTO ELECTRONICS CORPs patent filings in countries
# Country Total Patents
#1 United States 8
#2 Canada 4
#3 Germany 3
#4 United Kingdom 3
#5 Switzerland 2
#6 France 2

Patent filings per year

Chart showing PHOTO ELECTRONICS CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Mergens George W 7
#2 Dreyfoos Alex W Jr 6
#3 Dreyfoos Jr Alex W 3
#4 George W Mergens 2
#5 Nemeth Otto R 2
#6 Alex W Jr Dreyfoos 2
#7 W Mergens George 1
#8 Mergens George William 1
#9 Dreyfoos Alex W 1
#10 Dreyfoos A 1

Latest patents

Publication Filing date Title
US3724954A Logarithmic circuit with automatic compensation for variations in conditions of operations
FR91652E Electronic device for color images
US3490835A Automatic film exposure system for motion picture cameras
FR1482242A Electronic device for color images
US3417196A Electronic color viewer and print timer
US3441663A Non-linear amplifiers and systems
US3351253A Resilient coupling for flywheel film drive
US3351707A Electronic color viewer
US3359424A Compensating system for photocells of exposure control apparatus for making color prints
CA843004A Non-linear amplifiers and systems
CA822323A Method and apparatus for controlling cathode ray tube brightness and contrast
CA789719A Electronic color viewer