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TOA EIYO KAGAKU KOGYO KK

Overview
  • Total Patents
    32
About

TOA EIYO KAGAKU KOGYO KK has a total of 32 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan, Spain and Australia. Its main competitors in its focus markets organic fine chemistry, pharmaceuticals and environmental technology are LUNDBECK PHARMACEUTICALS ITALY, VENANTIUS LIMITED and SCHWARZ PHARMA LTD.

Patent filings in countries

World map showing TOA EIYO KAGAKU KOGYO KKs patent filings in countries

Patent filings per year

Chart showing TOA EIYO KAGAKU KOGYO KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Narita Senichi 9
#2 Hayasaka Tetsutaro 8
#3 Saitou Kuniaki 8
#4 Goto Takao 8
#5 Gotou Takao 7
#6 Okutani Kazuyoshi 6
#7 Narita Sen-Ichi 6
#8 Saito Teruo 6
#9 Yamada Shinichi 6
#10 Yamada Shin-Ichi 6

Latest patents

Publication Filing date Title
JPS5976036A Preparation of (4s)-4-(p-tolyl)pentanal
JPS5976049A (r)-1-benzyl-2,3-dimesyl glycerol
JPS5976039A (s)-2,3-diacetyl-1-benzyl glycerol
JPS5942361A Novel thioether derivative
JPS5936685A Pyrido(4,3-e)-1,2-thiazine derivative and its preparation
JPS58194829A Dibenzo(a,d)cycloheptene derivative
JPS58194837A Preparation of diphenylmethane derivative
JPS58172312A Nifedipine of external use agent
JPS58109412A Nifedipine solid preparation
JPS58105917A Solution of isosorbide nitrate
JPS5883613A Isosorbitol nitrate pharmaceutical
JPS5818385A Preparation of isosorbide-5-nitrate
CA1159826A Dibenzo [a,d] cycloheptene derivatives and process for production thereof
JPS56164111A Isosorbitol nitrate preparation
JPS56158731A Preparation of diphenylmethane derivative
JPS56142240A Production of diphenylmethane derivative
JPS5649337A Dibenzo a,d cycloheptene derivative and its preparation
JPS5643240A Novel anthrone derivative and its preparation
JPS55124777A Novel dibenzoxepin derivative and its preparation
JPS51105054A Kogakukatsuseina 22 * 2** * * parakuroro arufua mechiru arufua fuenirubenjiru * okishi * echiru * 11 mechiru pirorijinnoseiho