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TOTO KASEI KK

Overview
  • Total Patents
    175
About

TOTO KASEI KK has a total of 175 patent applications. Its first patent ever was published in 1975. 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, audio-visual technology and semiconductors are TOTO KASEI CO LTD, JAPAN EPOXY RESIN KK and YUKA SHELL EPOXY KK.

Patent filings per year

Chart showing TOTO KASEI KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nakamura Yoshiaki 53
#2 Aritomi Michio 32
#3 Takeda Yasuyuki 26
#4 Asakage Hideyasu 23
#5 Ishihara Kazuo 22
#6 Asano Chiaki 19
#7 Tsuchida Kenji 18
#8 Takuwa Naritsuyo 17
#9 Nakamura Yukio 13
#10 Nakanishi Hiroshi 13

Latest patents

Publication Filing date Title
WO2009060987A1 Phosphorus-containing epoxy resin and phosphorus-containing epoxy resin composition, process for producing the same, and curable resin composition and cured object each containing or obtained from the resin and the resin composition
KR20100021409A Novel flame-retardant epoxy resin, epoxy resin composition essentially containing the epoxy resin, and cured product thereof
WO2008117839A1 Novel polyvalent hydroxy compound, method for producing the same, epoxy resin using the compound, and epoxy resin composition and cured product thereof
WO2008114766A1 Novel polyvalent hydroxy compound, method for producing the compound, epoxy resin and epoxy resin composition each using the compound, and cured product of the composition
TW200528424A Process for production of high purity epoxy resin, and epoxy resin composition
US2004044146A1 Thermoplastic polyhydroxypolyether resin and an insulation film produced therefrom
JP2002003603A Method of manufacturing polyarylene sulfide resin
JP2001354769A Method for recovering and purifying n-methyl-2- pyrrolidone
WO9801494A1 Phenolic hydroxyl-containing modified resin, curable composition thereof, epoxidation product of said modified resin, and curable composition thereof
JPH07292070A Improved novolak epoxy resin and resin composition for sealing electronic part
JPH07331216A Alkali-soluble resin for adhesive or protection film
JPH07310047A Epoxy resin composition for coating
JPH07300546A Flame retardant and flame-retardant resin composition containing same
JPH07300516A Epoxy resin composition for laminate
JPH07268060A Epoxy resin and its production
JPH07258383A Epoxy polyhydroxy polyether resin and resin composition thereof
JPH07247338A Epoxy resin composition
JPH07238235A Epoxy resin powder coating composition
JPH07228058A Image receiving material forming surface due to thermal transfer
JPH07216270A Halogen-free magnetic coating composition