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CHANG KANG CHEMICAL CO LTD

Overview
  • Total Patents
    26
  • GoodIP Patent Rank
    202,836
About

CHANG KANG CHEMICAL CO LTD has a total of 26 patent applications. Its first patent ever was published in 2009. It filed its patents most often in Republic of Korea and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets optics, semiconductors and electrical machinery and energy are CT A PHOTONICS INC, GLORY SCIENCE CO LTD and OPTOS KK.

Patent filings in countries

World map showing CHANG KANG CHEMICAL CO LTDs patent filings in countries

Patent filings per year

Chart showing CHANG KANG CHEMICAL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Heo Young Tae 10
#2 Shin Dae Sik 5
#3 Lee Dong Cheol 5
#4 Hwang Woong Lin 5
#5 Lee Jung Min 5
#6 Shin Jun Back 4
#7 Park Jeong Ho 4
#8 Namgung Myoung 3
#9 Kim Gyu Min 2
#10 Park Jeong-Ho 2

Latest patents

Publication Filing date Title
KR20200129408A Back light unit including the finger scan sensor
KR20180068509A Core-shell inorganic particles, preparation method thereof, and optical film containing the same
KR20160110630A Optical member and display apparatus having the same
KR20150134926A Quantum dot Film, Display Including Same and Manufacturing method of Quantum dot Film
KR20150066307A Optical member and display apparatus having the same
KR20130138693A Organic-inorganic hybrid composition, method of manufacturing the composition, optical sheet, and optical device
KR20140127992A Light-blocking film and organic light emitting display including the same
KR20140124211A Multilayer panel and display apparatus having the same
KR20140114608A Optical mask and laser induced thermal imaging apparatus comprising the same
KR101416921B1 Optical mask and laser induced thermal imaging apparatus comprising the same
KR20140105175A Scattering member and organic Lighting Emitting display apparatus having the same
KR20140012453A Lens array comprising scattering member and organic lighting emitting display apparatus having the same
KR20140006359A Optical mask and laser induced thermal imaging apparatus comprising the same
KR20130103031A Optical absorption filter and display device using the same
KR20130081043A Optical absorption filter and display device using the same
KR20130020379A Optical absorption filter and display device using the same
KR20120106394A Optical absorption filter and display device using the same
KR20110103698A Optical device
KR20110101809A Light guide plate for back light unit having unified optical sheet and back light unit having the same
KR20110095553A Light guide plate for back light unit having unified optical sheet and back light unit having the same