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GRACEL CO LTD

Overview
  • Total Patents
    29
About

GRACEL CO LTD has a total of 29 patent applications. Its first patent ever was published in 2001. It filed its patents most often in Republic of Korea, WIPO (World Intellectual Property Organization) and Australia. Its main competitors in its focus markets semiconductors, basic materials chemistry and electrical machinery and energy are TANAKA TATSUO, FORCE4 CORP and NESS DISPLAY CO LTD.

Patent filings in countries

World map showing GRACEL CO LTDs patent filings in countries

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Kim Bong Ok 25
#2 Kim Sung Min 17
#3 Kwak Mi Young 12
#4 Yoon Seung Soo 8
#5 Kim Seong Min 8
#6 Kim Yeong Gwan 8
#7 Kwak Mi Yeong 7
#8 Choi Kyung Hoon 7
#9 Kwon Hyuck Joo 7
#10 Jung So Young 7

Latest patents

Publication Filing date Title
KR20070078698A Electroluminescent compounds comprising fluorene group and organic electroluminescent device using the same
KR20070054120A Organic electroluminescent compounds and display device using the same
KR20070112631A Blue electroluminescent compounds with high efficiency and display device using the same
KR20070112665A Aromatic electroluminescent compounds with high efficiency and display device using the same
KR20070112317A Organic electroluminescent compounds with hgh efficiency and display device using the same
KR20070088986A Red electroluminescent compounds and organic electroluminescent device using the same
KR100684109B1 Electroluminescent compounds and organic electroluminescent device using the same
KR100707357B1 Precursors of organometallic compounds for electroluminescent materials
KR20060087965A Red phosphors with high luminus efficiency and display device containing them
KR20060086541A Electroluminescent materials comprised with mixture and display device containing the same
KR20060083520A Phosphors with high luminus efficiency and display device containing them
KR20060039460A Organic light emitting diodes
KR20050116279A Red electroluminescent compounds and organic electroluminescent device using the same
KR20050058922A Red-luminescence with high luminus efficiency and display device adopting as light-emitting dopant
KR20050049857A Matrix type display panel
KR20050010682A Electroluminescence iridium compound and display device adopting as light-emitting dopant
KR20050010683A Electroluminescence iridium compound and display device adopting as light-emitting dopant
KR20040106779A Electroluminescence iridium compound and display device adopting as light-emitting dopant
KR20040093679A Organic electroluminescent compoumd, method for preparing the same and organic electroluminescent device comprising the same
KR20030065398A Light emitting device driving circuit and display panel having matrix structure adopting light emitting device driving circuit