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ROBERTS JOHN K

Overview
  • Total Patents
    14
About

ROBERTS JOHN K has a total of 14 patent applications. Its first patent ever was published in 1989. It filed its patents most often in United States and Canada. Its main competitors in its focus markets electrical machinery and energy, audio-visual technology and optics are PLANAR INTERNATIONAL OY LTD, QUANTUM PAPER INC and KIM TAE-SUNG.

Patent filings in countries

World map showing ROBERTS JOHN Ks patent filings in countries
# Country Total Patents
#1 United States 13
#2 Canada 1

Patent filings per year

Chart showing ROBERTS JOHN Ks patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Roberts John K 14
#2 Vadas Keith J 9
#3 You Chenhua 4
#4 Murugesu Muhinthan 2
#5 Sims Paul E 1
#6 Vilcans Clinton 1

Latest patents

Publication Filing date Title
US2009153450A1 Systems and methods for providing color management control in a lighting panel
US2009040674A1 Systems and methods for protecting display components from adverse operating conditions
US2009033612A1 Correction of temperature induced color drift in solid state lighting displays
US2007216704A1 Systems and methods for calibrating solid state lighting panels using combined light output measurements
US2008225512A1 Apparatus and methods for backlight unit with vertical interior reflectors
US2008191643A1 Systems and methods for split processor control in a solid state lighting panel
CA1297926C Heads up display