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TAOKA CHEMICAL CO LTD

Overview
  • Total Patents
    840
  • GoodIP Patent Rank
    8,403
  • Filing trend
    ⇩ 18.0%
About

TAOKA CHEMICAL CO LTD has a total of 840 patent applications. It decreased the IP activity by 18.0%. Its first patent ever was published in 1974. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and Taiwan. Its main competitors in its focus markets organic fine chemistry, macromolecular chemistry and polymers and basic materials chemistry are RESINOUS PROD & CHEMICAL CO, FUTUREFUEL CHEMICAL CO and HONSHU CHEMICAL IND.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Fujii Katsuhiro 95
#2 Kawashita Hideo 75
#3 Kawamura Yoshinori 57
#4 Sato Nobuyuki 47
#5 Nakada Chiaki 46
#6 Matsuda Eiji 45
#7 Hirabayashi Shunichi 43
#8 Kato Hiroyuki 40
#9 Nishino Yukinori 37
#10 Yamamoto Hiroaki 36

Latest patents

Publication Filing date Title
JP2019108408A Crystal of alcohol compound having fluorene skeleton and method for producing the same
CN111989365A Butyl rubber, resol-type phenol formaldehyde copolycondensation resin and phenol-containing rubber composition
JP2020158401A Method for producing crystal of diol compound having fluorene skeleton
JP2020132532A Tetracarboxylic acid dianhydride, polyamic acid, and polyimide
JP2020128464A Resol type alkylphenol-formaldehyde co-condensation resin and rubber composition containing the resin
JP2020117460A Method of producing bisphenol compound with fluorene skeleton
JP2020117461A Method of producing bisphenol compound with fluorene skeleton
JP2020111643A Epoxy resin composition
JP2020084091A Acid-modified epoxy (meth)acrylate having fluorene skeleton
JP2020079350A One-pack type epoxy resin composition
WO2019116798A1 (meth)acrylate compound having fluorene skeleton
JP2020075876A 9-silafluorene compound having nitro group and production method thereof
JP2020075866A Bisphenol compound having fluorene skeleton
JP2019077672A Bisaryl alcohols having naphthalene skeleton and method for producing the same
JP2020037546A Composition for resin raw material containing alcohol compound having fluorene skeleton
JP2020002294A Rubber, resol type phenol formaldehyde co-condensation resin, and rubber composition containing novolak type phenol formaldehyde co-condensation resin
JP2019001780A Method for producing alcohol having fluorene skeleton
JP2019183060A Novolak type co-condensate for rubber blending, and manufacturing method of rubber composition containing the co-condensate
JP2019183059A Resol type phenol formaldehyde co-condensation resin, resin crosslinking agent containing phenol, and rubber composition containing the resin crosslinking agent
JP2019182894A 2-cyanoacrylate-based adhesive composition