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CHIYODA CHEM ENG CONSTRUCT CO

Overview
  • Total Patents
    2,508
About

CHIYODA CHEM ENG CONSTRUCT CO has a total of 2,508 patent applications. Its first patent ever was published in 1955. It filed its patents most often in Japan, United States and Germany. Its main competitors in its focus markets environmental technology, chemical engineering and basic materials chemistry are TOYO ENGINEERING CORP, CONOCO PHILLIPS COMPANY and JAPAN GASOLINE.

Patent filings per year

Chart showing CHIYODA CHEM ENG CONSTRUCT COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Asaoka Sachio 205
#2 Kawamura Kazushige 142
#3 Yoneda Noriyuki 83
#4 Ioka Masayoshi 75
#5 Okabayashi Ikuo 73
#6 Kanda Tetsuo 73
#7 Nakamura Munekazu 73
#8 Kimura Takashi 73
#9 Shimura Mitsunori 72
#10 Shirato Yoshimi 68

Latest patents

Publication Filing date Title
JP2013212506A Catalyst unit
JP2013208620A Method for producing catalyst structure for flue gas desulfurization apparatus
JP2013198900A Cooling module
JP2012214787A Method for repairing plenum chamber of regeneration tower for fluidized catalytic cracker
JP2013193003A Treatment method and treatment system of plant wastewater
JP2013180213A Method and apparatus for treating produced water
JP2013158760A Treatment method and treatment system for plant wastewater
JP2013103909A Method for producing raw material of acetic acid or raw material of mma utilizing methanol plant
JP2013087317A Method and system for separating and recovering objective substance
JP2013087318A Method and system for separating and recovering objective substance
JP2013048999A Method for preventing inactivation of flue gas desulfurization apparatus
JP2013029233A Heat pump introduction analyzer for industrial use
JP2013013873A Apparatus and method for separation/purification of sublimable substance
JP2013000722A Exhaust gas treatment apparatus and exhaust gas treatment method
JP2012241604A Composite power generation system
JP2012218994A Non-co2 emitting production method for synthesis gas
JP2012219068A Method for producing methanol highly efficiently
JP2011132805A Partial renewal construction method of shell plate for towers and vessels
JP2012206909A Hybrid type hydrogen production and power generation system
JP2012206955A Production method of aromatic hydrocarbon and production plant of aromatic hydrocarbon