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HEESUNG MATERIAL LTD

Overview
  • Total Patents
    107
  • GoodIP Patent Rank
    39,728
About

HEESUNG MATERIAL LTD has a total of 107 patent applications. Its first patent ever was published in 2005. It filed its patents most often in Republic of Korea, Taiwan and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets organic fine chemistry, basic materials chemistry and semiconductors are NANJING TOPTO MAT CO LTD, WUHAN SHANGSAI OPTOELECTRONICS TECH CO LTD and YANTAI GEM CHEMICALS CO LTD.

Patent filings per year

Chart showing HEESUNG MATERIAL LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lee Joo Dong 69
#2 Eum Sung Jin 54
#3 Kim Kee Yong 33
#4 Choi Jin Seok 29
#5 Lee Joo-Dong 21
#6 Eum Sung-Jin 20
#7 Choi Dae Hyuk 20
#8 No Young Seok 17
#9 Kim Dong Jun 14
#10 Kim Kee-Yong 13

Latest patents

Publication Filing date Title
KR20160052399A Multicyclic compound including nitrogen and organic light emitting device using the same
KR20160041019A Hetero-cyclic compound and organic light emitting device using the same
KR20160041018A Hetero-cyclic compound and organic light emitting device using the same
KR20160007438A Hetero-cyclic compound and organic light emitting device using the same
WO2016003171A1 Heterocyclic compound and organic light emitting element using same
KR20160082067A Compound and organic light emitting device using the same
WO2015099508A1 Heterocyclic compound and organic light emitting device using same
KR20150075378A Pyrazole-based compound and organic light emitting device using the same
KR20160051212A Hetero-cyclic compound and organic light emitting device using the same
KR20160051210A Hetero-cyclic compound and organic light emitting device using the same
KR20160049800A Multicyclic compound including nitrogen and organic light emitting device using the same
KR20150077271A Hetero-cyclic compound and organic light emitting device using the same
KR101558495B1 Polycyclic compound and organic light emitting device using the same
KR101579289B1 Hetero-cyclic compound and organic light emitting device using the same
KR20160008819A Hetero-cyclic compound and organic light emitting device using the same
KR20160001537A Pyrazole-based compound and organic light emitting device using the same
KR20160001508A Hetero-cyclic compound and organic light emitting device using the same
KR20140140513A Aromatic fused ring compound and organic light emitting device using the same
KR20140122680A Phenazine-based compound and organic light emitting device comprising the same
KR20150094009A Apparatus for low temperature sublimation purification