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YOTSUKAICHI GOSEI KK

Overview
  • Total Patents
    97
About

YOTSUKAICHI GOSEI KK has a total of 97 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology, electrical machinery and energy and semiconductors are CHENGDU MCC ENERGY SAVING ENVIRONMENTAL PROT ENG CO LTD, PROIZV OB ESTONFOSFORIT and IR NII BLAGORODNYKH I REDKIKH.

Patent filings in countries

World map showing YOTSUKAICHI GOSEI KKs patent filings in countries
# Country Total Patents
#1 Japan 97

Patent filings per year

Chart showing YOTSUKAICHI GOSEI KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Morita Haruo 28
#2 Inagi Toshiaki 22
#3 Goto Takaaki 19
#4 Watanabe Chuzo 10
#5 Itou Yasuo 10
#6 Matsuoka Hiroaki 9
#7 Mase Koji 8
#8 Iriyama Shigeru 7
#9 Mizutani Toshiyasu 7
#10 Sugihara Toshiyuki 6

Latest patents

Publication Filing date Title
JPH09216846A Ethylene oxide adduct of 3,3',5,5'-tetramethyl-4,4'-biphenol and its production
JPH08333293A Production of allyl phenyl ether compounds
JPH08325189A Production of alkylene oxide adduct of halogenated bisphenols
JPH08217714A Production of adduct of halogenated bisphenols with alkylene oxide
JPH08208550A Production of glycol ether of phenol
JPH07309884A Production of trialkylphenyl phosphite
JPH07224004A Production of phenoxypolyalkylene glycol acrylate
JPH07206769A Production of acrylic or methacrylic ester
JPH07206749A Method for producing alkylglycerylether
JPH07133269A Production of low-chlorine glycidyl ether
JPH06256243A Elimination of p-t-butylphenol
JPH06247991A Production of triphenyl phosphite
JPH06145156A Production of glycidyl quaternary ammonium salt
JPH06116255A Method for stabilizing aqueous solution of glycidyl quaternary ammonium salt
JPH0687794A Production of ester
JPH0625052A Production of low-chlorinated glyceryl ether compounds
JPH0625053A Production of glyceryl ether compounds
JPH05339186A Removal of p-t-butylphenol
JPH05125028A Production of carbonic acid ester
JPH05112489A Production of carboxylic acid ester