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DAICEL CHEM

Overview
  • Total Patents
    12,082
About

DAICEL CHEM has a total of 12,082 patent applications. Its first patent ever was published in 1973. It filed its patents most often in Japan, United States and EPO (European Patent Office). Its main competitors in its focus markets macromolecular chemistry and polymers, organic fine chemistry and chemical engineering are ASAHI KASEI CHEMICALS CORP, STAMICARBON and SIR SOC ITALIANA RESINE SPA.

Patent filings per year

Chart showing DAICEL CHEMs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nakano Tatsuya 312
#2 Ishii Yasutaka 286
#3 Sugano Tatsuya 230
#4 Okamoto Yoshio 193
#5 Matsuda Naoki 193
#6 Katsuda Nobuyuki 191
#7 Takahashi Ikuo 190
#8 Yamazaki Masayuki 166
#9 Katsuta Nobuyuki 165
#10 Oda Shingo 165

Latest patents

Publication Filing date Title
CN103249705A Acetic acid production method
CN102408327A Phenylacetic acid compound
WO2012033194A1 Method for separating water-soluble biological material
WO2012033150A1 Process for production of equol
CN103038268A Fine particles for chromatography and chromatography using same
WO2012020688A1 Low moisture permeability resin composition and hardened material thereof
WO2012020659A1 Curable composition and article produced by curing same
JP2011215630A Cellulose diacetate for retardation film
WO2011158935A1 Resolving agent for optical isomers
JP2011202178A Polymeric compound having alicyclic skeleton
WO2011136084A1 Curable resin composition for screen printing and printed wiring board
WO2011118740A1 Method for producing rutile-type titanium oxide having (001) crystal plane
JP2011219346A Method for producing rutile-type titanium oxide having (001) crystal plane
WO2011108394A1 Optical film and method for producing the same
WO2011102286A1 Curable composition and cured material
WO2011102288A1 Curable composition and cured material
WO2011102287A1 Curable composition and cured material
WO2011099412A1 Oil composition for cosmetic preparation
CN102753588A Cationically polymerizable resin, cationically polymerizable resin composition, and cured products thereof
WO2011096269A1 Cleansing composition