Learn more

YOUNG CHANG CHEMICAL CO LTD

Overview
  • Total Patents
    143
  • GoodIP Patent Rank
    11,293
  • Filing trend
    ⇩ 28.0%
About

YOUNG CHANG CHEMICAL CO LTD has a total of 143 patent applications. It decreased the IP activity by 28.0%. Its first patent ever was published in 2001. It filed its patents most often in Republic of Korea, WIPO (World Intellectual Property Organization) and China. Its main competitors in its focus markets optics, basic materials chemistry and semiconductors are FUJIFILM ELECTRONIC MATERIALS, TOKYO APPLIED CHEMICAL INDUSTR and DONG FIN CHEMICAL IND CO LTD.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Lee Seung Hun 120
#2 Lee Seung Hyun 102
#3 Lee Su Jin 79
#4 Kim Gi Hong 50
#5 Ham Gyeong Guk 24
#6 Kim Seong Hwan 22
#7 Choi Young Cheol 19
#8 Yoon Sang Woong 17
#9 Lee Seung-Hun 15
#10 Lee Seung-Hyun 14

Latest patents

Publication Filing date Title
WO2020091242A1 Slurry composition for polishing copper barrier layer
KR102100432B1 Pross liquid composition for photolithography and pattern formation mehtod using the same
KR102080780B1 Pross liquid composition for lithography and pattern formation mehtod using the same
KR20200119053A Spin on carbon hardmask compositions with characteristics of high thickness and patterning method by using the same
KR102053921B1 New fine silicon etching pattern forming method in a semiconductor manufacturing process
KR102062342B1 Cleaning liquid composition for semiconductor wafer and cleaning method using the same
KR102031251B1 Composition for etching a silicone nitride layer and etching method using the same
KR102082922B1 Slurry composition for polishing a silicone oxide layer and polishing method using the same
KR102029127B1 A new method for forming a silicon or silicon compound pattern in a semiconductor manufacturing process
KR102011879B1 Pross liquid for extreme ultraviolet lithography and pattern formation mehtod using the same
KR101910157B1 The process liquid composiition for treating organic/inorganic hybrid photoresist
KR101977886B1 Chemical amplified type positive photoresist composition for pattern profile improvement
KR101957876B1 Process liquid composition for extreme ultraviolet lithography and the method for forming pattern using the same
KR101957875B1 Process liquid composition for extreme ultraviolet lithography and the method for forming pattern using the same
WO2018221972A2 Cutting oil composition
KR20180131977A Cutting oil composition
KR101947517B1 Developer composition for forming photosensitive photoresist pattern for extreme ultraviolet
KR101951456B1 A new etching method for forming a fine silicon pattern in a semiconductor manufacturing process
KR101759571B1 Developer composition for forming photosensitive photoresist pattern for extreme ultraviolet
KR101789251B1 Composition for post chemical mechanical polishing cleaning