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TOYO KASEI KOGYO CO LTD

Overview
  • Total Patents
    325
About

TOYO KASEI KOGYO CO LTD has a total of 325 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets macromolecular chemistry and polymers, basic materials chemistry and organic fine chemistry are VINYL PRODUCTS LTD, CELANESE EMULSIONS GMBH and SHIN NAKAMURA CHEMICAL CO LTD.

Patent filings per year

Chart showing TOYO KASEI KOGYO CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Oda Ryozo 46
#2 Maekawa Shoji 33
#3 Ashihara Teruaki 33
#4 Tanaka Hiroaki 31
#5 Tone Shingo 29
#6 Orita Ryozo 25
#7 Mitsui Jun 23
#8 Oonishi Akihisa 22
#9 Kashihara Kenji 21
#10 Sato Yasuhiro 20

Latest patents

Publication Filing date Title
JP2010143845A Method for producing dialkoxythiophene, and alkylenedioxythiophene
JP2010138140A Process for producing 3,4-dihydroxythiophene-2,5-dicarboxylic acid diester and salt thereof
JP2010059126A Triphenylmethyl mercaptan and method for producing the same
JP2009298722A Method for producing dialkoxythiophene and alkylenedioxythiophene
JP2009249368A Sulfur-containing sugar derivative having polymerizable substituent, method for producing the sulfur-containing sugar derivative having polymerizable substituent, and polymer
JP2009249357A 1-vinyl-4-[(4-vinylphenyl)disulfanyl]benzene derivative
WO2008102661A1 Method for producing trialkylsilylnitrile
JP2009114076A Method for producing ester group-having sulfonamide
JP2009114077A Method for producing alkylcarbonylthio-substituted alkane
JP2008105750A Packaging container
JP2008208111A Bis(2-alkoxyethyl) azodicarboxylate ester compound and intermediate for producing the same
WO2008038723A1 Packaging container
JP2009079078A Production method of aqueous resin dispersion composition
JP2009040758A Method for producing 2-(4-vinylarylsulfanyl)tetrahydropyran compound and aromatic hydrocarbon solution of the same
JP2008290985A Method for producing 3-sulfanylphenol compound and production intermediate
JP2008285360A Method for manufacturing gas generator for air bag
JP2008285359A Method for manufacturing gas generator for air bag
JP2008230973A Sugar derivative containing acrylic (methacrylic) group and method for producing sugar derivative containing acrylic (methacrylic) group
JP2010143825A Bis-[1(2)h-tetrazol-5-yl]amine compound and reaction intermediate, and its production method
JP2008174534A Method for producing bis(2-mercaptoethyl)silane compound