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TOHO CHEM IND CO LTD

Overview
  • Total Patents
    851
  • GoodIP Patent Rank
    32,638
  • Filing trend
    ⇩ 14.0%
About

TOHO CHEM IND CO LTD has a total of 851 patent applications. It decreased the IP activity by 14.0%. Its first patent ever was published in 1968. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and United States. Its main competitors in its focus markets macromolecular chemistry and polymers, materials and metallurgy and organic fine chemistry are CHANGZHOU MINGHUA TRANSP CO LTD, WU WEIHUA and TOHO CHEMICAL IND CO LTD.

Patent filings per year

Chart showing TOHO CHEM IND CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nakamura Yoshinobu 83
#2 Akimoto Mikio 60
#3 Nozawa Takuji 57
#4 Shimizu Toshimichi 49
#5 Goto Tadao 45
#6 Hihara Takeshi 43
#7 Mori Yoshihiko 40
#8 Goino Masaya 37
#9 Ikeda Akira 35
#10 Nobuchika Kazuo 34

Latest patents

Publication Filing date Title
JP2020143278A Polypropylene resin composition, molding, and molding for automobile interior component
JP2020138899A Viscosity reducing agent for geopolymers and cured geopolymer product
JP2020090767A Rosin emulsion size agent
JP2020132499A Concrete placing joint surface breaking-off agent and method for constructing concrete structure
JP2019099991A Ketene dimer based emulsion sizing agent and method for producing paper
JP2020059781A Antistatic agent for polyolefin-based resin and polyolefin-based resin composition containing the same
JP2019034880A Additive for cement composition to be extrusion-molded
JP2019031433A Additive for extrusion-molding cement compositions
JP2020015656A Air-entraining agent for hydraulic composition
JP2019218651A Hydrophilizing agent
JP2018043928A Mortar or concrete curing agent
JP2018178278A Softening agent for fiber and nonwoven fabric containing the same
JP2018162381A Polyolefin resin aqueous dispersion
JP2018154948A Permeable agent
JP2018150195A Shrinkage reducing agent for geopolymer and cured geopolymer
JP2018127382A Dispersant for hydraulic composition
JP2018127542A Polycondensation product, and dispersant for hydraulic composition containing the same
JP2018051513A Oil-in-water type emulsion defoaming agent
JP2017066582A Softener for nonwoven fabric
JP2018027927A Method for production of phosphate ester monomer