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ALPHA CHEM CO LTD

Overview
  • Total Patents
    42
  • GoodIP Patent Rank
    98,323
  • Filing trend
    ⇩ 100.0%
About

ALPHA CHEM CO LTD has a total of 42 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2000. It filed its patents most often in Republic of Korea, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets basic materials chemistry, semiconductors and optics are BEIJING ETERNAL MATERIAL TECHNOLOGY CO LTD, JIANGSU SUNERA TECH CO LTD and SHANGHAI NICHEM FINE CHEMICAL CO LTD.

Patent filings in countries

World map showing ALPHA CHEM CO LTDs patent filings in countries
# Country Total Patents
#1 Republic of Korea 40
#2 United States 1
#3 WIPO (World Intellectual Property Organization) 1

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Cho Kyu Oh 37
#2 Nam Hyun Goog 25
#3 Jang Seung Hee 24
#4 Ham Ju Seok 19
#5 Park Sang Mi 15
#6 Park Sang Jun 12
#7 Baek Yong Gu 12
#8 Kim Jae Yong 9
#9 Lee Sang Youn 9
#10 Kim Hyun Don 9

Latest patents

Publication Filing date Title
KR20190023744A New organic electroluminescent compound and organic electroluminescent device comprising the same
KR20190023746A New organic electroluminescent compound and organic electroluminescent device comprising the same
KR20190023740A New organic electroluminescent compound and organic electroluminescent device comprising the same
KR20180007940A New organic electroluminescent compound and organic electroluminescent device comprising the same
KR20170131122A Novel 9H-indeno[2,1-b]pyridine compound and organic electroluminescent device comprising the same
KR20170131112A Novel 1,2-dihydroindeno[2,1-b]indole compound and organic electroluminescent device comprising the same
KR20170116346A Color millbase composition and color filter including the same
KR20160041768A New host material and organic electroluminescent device using the same
KR20160127187A New material for transporting electron and organic electroluminescent device comprising the same
KR20160126150A New organic electroluminescent compound and organic electroluminescent device comprising the same
KR20160116988A Color millbase composition and color filter using the same
KR101583525B1 electrolytic solution for supercapacitor and supercapacitor use the same
KR20150130646A High hardness, high transmission, high durability optical isotropic film
KR20150121756A New material for transporting electron and organic electroluminescent device using the same
KR20150120725A Dye-hybridized pigment derivatives, pigment dispersion composition, photo-sensitive color composition, and color filte
KR20140039011A Heteroaromatic cycle compound and organic light emitting diode using the same
KR20150083490A New triphenylene derivative and organic light-emitting devices including the same
KR20130131272A New material for transporting electron and organic electroluminescent device using the same
KR20150030294A New material for transporting electron and organic electroluminescent device using the same
KR20150026035A Adhesive composition