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DONGWOO FINE CHEMICAL CO LTD

Overview
  • Total Patents
    19
  • GoodIP Patent Rank
    101,443
  • Filing trend
    ⇧ 133.0%
About

DONGWOO FINE CHEMICAL CO LTD has a total of 19 patent applications. It increased the IP activity by 133.0%. Its first patent ever was published in 2000. It filed its patents most often in China, Japan and Taiwan. Its main competitors in its focus markets optics, computer technology and semiconductors are MIZUMURA MICHINOBU, FUJIFILM ARCH CO LTD and OPTO FINETECH CO LTD.

Patent filings in countries

World map showing DONGWOO FINE CHEMICAL CO LTDs patent filings in countries
# Country Total Patents
#1 China 17
#2 Japan 1
#3 Taiwan 1

Patent filings per year

Chart showing DONGWOO FINE CHEMICAL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yang Don Sik 2
#2 Jang Sang Hoon 2
#3 Cho Yong Hwan 1
#4 Kim Han Shan 1
#5 Choi Hyung Sub 1
#6 Yang Min-Soo 1
#7 Ahn Yumi 1
#8 Choi Sehwa 1
#9 Yoon Jong Won 1
#10 Li Wei 1

Latest patents

Publication Filing date Title
CN110359049A Argentiferous film etching liquid composition, array substrate for display device and its manufacturing method using its manufacture
TWI291498B Etching solution for aluminum metal layer