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DUPONT TORAY COMPANY LTD

Overview
  • Total Patents
    11
About

DUPONT TORAY COMPANY LTD has a total of 11 patent applications. Its first patent ever was published in 1995. It filed its patents most often in Taiwan, EPO (European Patent Office) and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets macromolecular chemistry and polymers, textiles and paper and audio-visual technology are DU PONT TORAY CO LTD, WORLD PROPERTIES INC and ETERNAL MAT CO LTD.

Patent filings per year

Chart showing DUPONT TORAY COMPANY LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Uhara Kenji 4
#2 Terada Kazuhiko 2
#3 Yasuda Naofumi 2
#4 Sawasaki Kouichi 2
#5 Kagiya Yoshio 2
#6 Yoshio Kagiya 1
#7 Hayashi Shoichi 1
#8 Nishiya Yoshitaka 1
#9 Miyauchi Michiharu 1
#10 Watanabe Tsutomu 1

Latest patents

Publication Filing date Title
EP1616898A1 Polyamic acids, polyimide films and polyimide-metal laminates and methods for making same
EP1614535A1 Multi-layer polyimide films and flexible circuit substrates therefrom
US6240716B1 Stable double covered elastic yarn, process for making same, and fabric comprising same