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NIPPON JORYU KOGYO KK

Overview
  • Total Patents
    41
About

NIPPON JORYU KOGYO KK has a total of 41 patent applications. Its first patent ever was published in 1975. It filed its patents most often in Japan, United States and Australia. Its main competitors in its focus markets organic fine chemistry, environmental technology and macromolecular chemistry and polymers are Shaoxing minsheng pharmaceutical co ltd, TIANJIN MINXIANG BIOLOG MEDICINE TECHNOLOGY CO LTD and LI BOQIANG.

Patent filings in countries

World map showing NIPPON JORYU KOGYO KKs patent filings in countries

Patent filings per year

Chart showing NIPPON JORYU KOGYO KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kurata Naoji 22
#2 Sugita Shigeo 16
#3 Saito Yoshinori 11
#4 Noda Yoshiaki 9
#5 Takanobu Etsuya 7
#6 Kumagai Kenji 5
#7 Baba Takashi 5
#8 Shoji Seiji 5
#9 Sugita Yoshio 5
#10 Kono Atsushi 4

Latest patents

Publication Filing date Title
JP2005289877A Butadienylbenzene amine derivative, its preparation method and electrophotographic photoreceptor
JP2005043814A Electrophotographic photoreceptor
JP2005003872A Electrophotographic photoreceptor
JP2004231571A Method for manufacturing zinc acrylate
JP2004231572A Method for manufacturing zinc acrylate
JP2004161640A Zinc acrylate and method for producing the same
JPH1112970A Pulp digesting assistant composition
FI935782A0 Mass disintegrant
JPH0633386A Pulp digesting assistant composition
JPH059159A Nitrogen-containing n,n,n',n'-tetraarylbenzidine derivative and production thereof
JPH059161A Secondary fluorinated alkoxy group-substituted diphenylamine and its production
JPH04342722A Polydiphenic amide
JPH05310642A Production of bis@(3754/24)2-hydroxyethyl) diphenate
JPH03131617A Condensate of carbazolesulfonic acid or its salt and formaldehyde and production thereof
JPH0372481A Naphthalocyanine derivative and its production
JPH02258747A 1,3-phenylenediamine derivative and production thereof
JPH0292964A Production of alkylated naphthalocyanine
JPH0292680A Manufacture of optical recording medium
JPH0292963A Production of acylated naphthalocyanine
JPS63295533A Diphenic acid monoester and production thereof