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CONTROL INTERFACE CO LTD

Overview
  • Total Patents
    11
About

CONTROL INTERFACE CO LTD has a total of 11 patent applications. Its first patent ever was published in 1981. It filed its patents most often in EPO (European Patent Office), United States and Canada. Its main competitors in its focus markets optics, measurement and electrical machinery and energy are DS LCD CO LTD, KEEWIN DISPLAY CO LTD and Wuhan huaxing photoelectric technology co ltd.

Patent filings in countries

World map showing CONTROL INTERFACE CO LTDs patent filings in countries
# Country Total Patents
#1 EPO (European Patent Office) 5
#2 United States 5
#3 Canada 1

Patent filings per year

Chart showing CONTROL INTERFACE CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Bohmer William 10
#2 Hoffman Louis S 5
#3 Betancourt Walter J 5
#4 Devito Ralph J 1
#5 Hladky Walter 1
#6 Hoffman Louis 1

Latest patents

Publication Filing date Title
EP0205235A2 Method and apparatus for liquid crystal display of analog indicators
US4658188A Apparatus and method for scanning a flat screen cathode ray tube
US4690509A Waveforms on a liquid crystal display
US4641923A Field sensitive optical displays with electrodes with high and low impedance portions
US4493531A Field sensitive optical displays, generation of fields therefor and scanning thereof
US4599070A Aircraft simulator and simulated control system therefor
CA1197638A Field sensitive optical displays, generation of fields therefor and scanning thereof