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TEIJIN CHEMICALS LTD

Overview
  • Total Patents
    2,860
  • GoodIP Patent Rank
    229,222
About

TEIJIN CHEMICALS LTD has a total of 2,860 patent applications. Its first patent ever was published in 1969. It filed its patents most often in Japan, China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets macromolecular chemistry and polymers, machines and optics are EMS-PATENT AG, APG POLYTECH LLC and MITSUBISHI ENG PLASTICS CORP.

Patent filings per year

Chart showing TEIJIN CHEMICALS LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Tokuda Toshimasa 218
#2 Takeya Yutaka 157
#3 Yamanaka Katsuhiro 117
#4 Tanabe Seiichi 103
#5 Imanaka Yoshihiko 92
#6 Manabe Akiyoshi 92
#7 Mitsunaga Masaki 91
#8 Ohira Yoji 84
#9 Hironaka Katsuhiko 78
#10 Kondo Fumitaka 74

Latest patents

Publication Filing date Title
JP2013082947A Polycarbonate resin composition
JP2013127075A Polycarbonate resin composition
JP2013053317A Flame retardant resin composition
WO2013183173A1 9,9-bis(4-(2-hydroxyethoxy)phenyl)fluorene powder material
JP2012256061A Method for manufacturing retardation film
JP2013236804A Thermoplastic resin composition used for resin waterless urinal and waterless urinal including the same
JP2013234293A Polycarbonate resin composition used for resin anhydrous urinal and anhydrous urinal comprising the same
WO2012147996A1 Polycarbonate resin composition for transparent body, as well as transparent body and surface light source formed from same
WO2012144573A1 Copolymerized polycarbonate and transparent molded article formed from same
CN103597031A Aromatic polycarbonate resin composition for container for housing/transporting thin film
JP2012150477A Optical film
WO2012099261A1 Polyester carbonate copolymer and production method therefor
WO2012096410A1 Optical lens comprising aromatic-aliphatic polycarbonate resin
TW201235409A Aromatic polycarbonate resin composition and molded article
JP2013032479A Scintillator
JP2013130693A Light guide plate
JP2013112781A Black resin composition and resin molded product
JP2013112780A Copolymerized polycarbonate resin composition and molded article
WO2012074125A1 Eyeglasses lens
WO2012073767A1 Polycarbonate resin composition and molded article