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JOHOKU CHEMICAL CO LTD

Overview
  • Total Patents
    14
About

JOHOKU CHEMICAL CO LTD has a total of 14 patent applications. Its first patent ever was published in 1997. It filed its patents most often in EPO (European Patent Office), United States and China. Its main competitors in its focus markets organic fine chemistry, macromolecular chemistry and polymers and machines are GREAT LAKES CHEMICAL ITALIA, CRODA SYNTHETIC CHEM LTD and SKAU EVALD L.

Patent filings in countries

World map showing JOHOKU CHEMICAL CO LTDs patent filings in countries

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Yamauchi Toshiyuki 13
#2 Kanagawa Eisuke 10
#3 Osamura Yoshikatsu 6
#4 Aoki Hideo 6
#5 Ishihara Kazuyuki 5
#6 Omichi Masuo 5
#7 Tanino Tomohiro 4
#8 Sugii Naoyuki 2
#9 Kimura Naoetsu 2
#10 Kiko Nagamura 1

Latest patents

Publication Filing date Title
WO2007108109A1 Stabilized polyolefin resin and method of stabilizing polyolefin resin