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TEIJIN PETROCHEM IND

Overview
  • Total Patents
    36
About

TEIJIN PETROCHEM IND has a total of 36 patent applications. Its first patent ever was published in 1980. It filed its patents most often in United States, EPO (European Patent Office) and Canada. Its main competitors in its focus markets organic fine chemistry, chemical engineering and environmental technology are WANG HAIYOU, DAVY MCKEE LONDON and INT KOOLWATERSTOFFEN SYNTHESE.

Patent filings per year

Chart showing TEIJIN PETROCHEM INDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Onodera Tamio 24
#2 Sakai Tokuji 22
#3 Sumitani Koji 21
#4 Yamasaki Yasuo 20
#5 Sato Kimihiko 7
#6 Hirose Isao 5
#7 Namatame Akio 4
#8 Horiuchi Hiroshi 3
#9 Suzuki Risuke 3
#10 Sueoka Minekazu 2

Latest patents

Publication Filing date Title
US5177287A Catalyst composition, process for cracking non-aromatic hydrocarbons and process for isomerizing C8 aromatic hydrocarbons
US4700012A Process for isomerizing xylene
US4760165A Recovering useful components at least containing dimethyl terephthalate from high-boiling byproducts occurring in the production of dimethyl terephthalate
US4716245A Process for producing 2,6-naphthalenedicarboxylic acid
EP0142719A1 Process for producing 2,6-naphthalenedicarboxylic acid
US4557919A Production of crystalline zeolites
CA1169038A Crystalline aluminosilicate zeolites and process for production thereof