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WISCHEM CO LTD

Overview
  • Total Patents
    20
  • GoodIP Patent Rank
    178,209
  • Filing trend
    ⇩ 50.0%
About

WISCHEM CO LTD has a total of 20 patent applications. It decreased the IP activity by 50.0%. Its first patent ever was published in 2006. It filed its patents most often in Republic of Korea, WIPO (World Intellectual Property Organization) and China. Its main competitors in its focus markets organic fine chemistry, chemical engineering and pharmaceuticals are JIANGXI KEYUAN BIOPHARM CO LTD, MID CENTURY CORP and HOWARDS & SONS LTD.

Patent filings in countries

World map showing WISCHEM CO LTDs patent filings in countries

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Cho Yang Rai 16
#2 Jeong Seon Yi 7
#3 Kim Byung Hwan 6
#4 Shim Young Ji 5
#5 Lee Sun Young 4
#6 Koo Eon Cheol 4
#7 Lee Suk Won 3
#8 Jeong Hyeon Yun 3
#9 Cho Yang-Rai 3
#10 Heor Jung Hee 2

Latest patents

Publication Filing date Title
KR20190032253A Method of preparing diamine compound
KR20190031187A Diamine compound and method of preparing the same
KR20190050646A Method for preparing 3-aminofluorene
KR20190050645A Method for preparing dinitrobiphenyl
KR101856586B1 Preparation method of 13-Bromo-10H-phenanthro[9,10-b]carbazole
KR20180073886A The preparation method of 4’-formyl-4-biphenylcarboxylic acid
KR20170136165A New preparation method of 4'-Hydroxy-4-biphenylcarboxylic acid
KR20130122384A Manufacturing method of highly pure 2-(tricyclo[5.2.1.02,6] dec-3-en-8-yloxy)ethanol
KR20130082017A A new preparation method of 1-[1'-(carboxymethyl)cyclopropane methyldisulfanylmethyl]cyclopropaneacetic acid and it's derivatives
KR20110035712A A preparative method for 4-hydroxyiminobenzoic acid methyl ester
KR20110035705A A preparative method for 1,4-disubstituted cyclohexane derivatives
KR100833202B1 A preparation method for 7-chloro-(2,2-dimethylcyclopropanecarbox amido)-2-heptenoic acid
KR100817517B1 A preparation method of 2-[(4-bromomethyl)phenyl]propionic acid
KR100666191B1 A preparation method for 4-cyanophenyl isocyanate