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DONGJIN SEMICHEM CO LTD

Overview
  • Total Patents
    2,305
  • GoodIP Patent Rank
    2,201
  • Filing trend
    ⇩ 13.0%
About

DONGJIN SEMICHEM CO LTD has a total of 2,305 patent applications. It decreased the IP activity by 13.0%. Its first patent ever was published in 1999. It filed its patents most often in Republic of Korea, China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets optics, semiconductors and basic materials chemistry are ROHM & HAAS ELECTRONIC MAT KOREA LTD, DONGJIN SEMICOHEM CO LTD and ROHM & HAAS ELECT MATERIALS.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Kim Byung Uk 214
#2 An Hyun Cheol 202
#3 Kim Jae Hyun 186
#4 Ham Ho Wan 158
#5 Kim Dong Jun 154
#6 Kim Byung-Uk 132
#7 Lee Hyung Jin 110
#8 Han Jeong Woo 110
#9 Park Chan Seok 109
#10 Kim Jae-Hyun 108

Latest patents

Publication Filing date Title
WO2021071281A1 Positive photosensitive resin composition and display device using same
WO2021066628A1 Coating composition and laminate comprising coating layer
KR20210029676A organic electroluminescent device comprising a capping layer and compound for capping layer applied to the same
KR20210035041A New organic compound for capping layer and electroluminescent device comprising to the same
KR20210024969A organic electroluminescent device comprising a capping layer and compound for capping layer applied to the same
CN112241107A Positive photosensitive resin composition, photosensitive resin film, and display device using same
KR20210010336A Positive photosensitive resin composition, positive photosensitive resin film and display device using the same
WO2020141860A1 Electrochromic device and manufacturing method therefor
KR20200083366A Positive photosensitive resin composition
KR20200056938A Transparent electrode and touch panel empolying the same
KR20200054890A Method for preparing purified phosphoric acid from used etchant
KR20200050407A Compound for capping layer and organic electroluminescent divice including the same
KR20210034445A Novel compound and organic electroluminescent device including the same
KR20210034444A Novel compound and organic electroluminescent device including the same
KR20200034584A Novel compound for capping layer and organic electroluminescent device including the same
WO2020017894A1 Chemical-mechanical polishing composition, chemical-mechanical polishing slurry, and method for polishing substrate
KR20200010071A Chemical mechanical polishing composition, polishinbg slurry, and polishing method for substrate
KR20200139397A Compound for capping layer and organic electroluminescent divice including the same
KR20200139398A Compound for capping layer and organic electroluminescent divice including the same
KR20200139426A Photopolymer composition and cured film, display device using the same