Learn more

NIPPON CHEMICAL WORKS

Overview
  • Total Patents
    86
  • GoodIP Patent Rank
    200,872
About

NIPPON CHEMICAL WORKS has a total of 86 patent applications. Its first patent ever was published in 1963. It filed its patents most often in Japan, Switzerland and United States. Its main competitors in its focus markets organic fine chemistry, macromolecular chemistry and polymers and basic materials chemistry are DAITO CHEMICAL INDUSTRY COMPAN, PYRIDIUM CORP and CORAL SUNSCREEN PTY LTD.

Patent filings per year

Chart showing NIPPON CHEMICAL WORKSs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Inoue Kaname 20
#2 Tanaka Toshiki 15
#3 Furuta Yasushi 12
#4 Tamura Yoshisada 12
#5 Toshiki Tanaka 11
#6 Taniguchi Koichi 10
#7 Taguchi Yuji 9
#8 Koshitani Takeshi 8
#9 Takagaki Hideyuki 7
#10 Saomoto Hitoshi 5

Latest patents

Publication Filing date Title
JP2019211555A Dichroic azo dye for polarizing film and polarizing film dyed with the dichroic azo dye
KR20170003622A Novel pyrazoline compound and photoelectric conversion element using same
JP2014159390A Novel photopolymerization initiator and photosensitive resin composition prepared using the same
JP2014141583A Novel photoinitiators and methods of using the same
JP2014101310A Novel pyrazoline compound and photoelectric conversion element using the same
JP2014009325A Novel photopolymerization initiator and photosensitive resin composition using the same
JP2013234260A Oxime-based photopolymerization initiator and method for using the same
JP2013014525A Novel compound using ferulic acid as raw material and organic electroluminescent element using the novel compound
JP2010189279A Oxime ester compound and photosensitive resin composition comprising the same
JP2010189280A Oxime ester compound and photosensitive resin composition comprising the same
CN101910136A Fluorescent agent having ethynyl group
JP2010138235A Black water-based ink composition
CN101679393A Fluorescent material
JP2006241086A New light-absorbing material
JP2005338177A Charge control agent and electrophotographic toner using the same
JP2005325030A Fluorescent material
JP2005015503A Fluorescent brightener for thermoplastic resin molded article and resin molded article containing the brightener and having fine ruggedness
JP2004161857A Blue trisazo dye
JP2003301120A Novel azo dye
JP2003020576A Fluorescent whitening dye for polytrimethylene terephthalate fiber and polytrimethylene terephthalate fiber whitened fluorescently with the dye