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QUADRICOLOR TECHNOLOGY

Overview
  • Total Patents
    49
About

QUADRICOLOR TECHNOLOGY has a total of 49 patent applications. Its first patent ever was published in 1977. It filed its patents most often in France, Belgium and Brazil. Its main competitors in its focus markets audio-visual technology, control and organic fine chemistry are FAROUDJA Y C, CHONO KEIICHI and YAMAMOTO TOMOYUKI.

Patent filings in countries

World map showing QUADRICOLOR TECHNOLOGYs patent filings in countries

Patent filings per year

Chart showing QUADRICOLOR TECHNOLOGYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Richman Donald 17
#2 Richman D 9
#3 Donarudo Ritsuchiman 3
#4 Richmond Donald 1

Latest patents

Publication Filing date Title
KR830000420A Color television receiving system utilizing inferred high frequency signal components to reduce color infidelities in regions of color transitions
KR830000398A Color television receiving system utilizing inferred high frequency signal components to reduce color infidelities in regions of high color saturation
KR830000399A Color television receiving system utilizing multimode inferred highs correction to reduce color infidelities
US4183051A Color television receiving system utilizing multimode inferred highs correction to reduce color infidelities
US4181917A Color television receiving system utilizing inferred high frequency signal components to reduce color infidelities in regions of color transitions
US4245239A Color television receiving system utilizing inferred high frequency signal components to reduce color infidelities in regions of high color saturation