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SUMITOMO CHEMICAL CORP

Overview
  • Total Patents
    29
  • GoodIP Patent Rank
    186,896
About

SUMITOMO CHEMICAL CORP has a total of 29 patent applications. Its first patent ever was published in 1995. It filed its patents most often in China and Taiwan. Its main competitors in its focus markets optics, macromolecular chemistry and polymers and basic materials chemistry are KIMOTO KK, 3M INNOVATIVE PROPERTIES CO and TORAY SAEHAN INC.

Patent filings in countries

World map showing SUMITOMO CHEMICAL CORPs patent filings in countries
# Country Total Patents
#1 China 28
#2 Taiwan 1

Patent filings per year

Chart showing SUMITOMO CHEMICAL CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ozawa Mayuko 5
#2 Kiguchi So 5
#3 Tanaka Soichi 5
#4 Iwata Atsushi 5
#5 Pyeon Boram 2
#6 Eida Makoto 2
#7 Masatomo Shirakawa 2
#8 Manabe Yoshihisa 2
#9 Hagiya Koji 2
#10 Ikeuchi Junichi 2

Latest patents

Publication Filing date Title
CN111721502A Inspection method and inspection apparatus
CN110408061A Optical film