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REN XIANGKUN

Overview
  • Total Patents
    23
About

REN XIANGKUN has a total of 23 patent applications. Its first patent ever was published in 2001. It filed its patents most often in China. Its main competitors in its focus markets basic materials chemistry, materials and metallurgy and environmental technology are CARBURETTED GAS, VEBA OEL ENTWICKLUNGS GMBH and GFK KOHLEVERFLUESSIGUNG GMBH.

Patent filings in countries

World map showing REN XIANGKUNs patent filings in countries
# Country Total Patents
#1 China 23

Patent filings per year

Chart showing REN XIANGKUNs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Koji Sakawaki 11
#2 Iguchi Kenji 11
#3 Kenji Iguchi 11
#4 Banwaki Koji 6
#5 Sakawaki Koji 5
#6 Ren Xiangkun 1
#7 Xu Zhengang 1
#8 Gao Juzhong 1

Latest patents

Publication Filing date Title
CN104560205A Water-coal slurry and natural gas combined gasifier
CN104560213A Coal-water slurry and natural gas joint gasifying nozzle
CN104560204A Water coal slurry and natural gas combined gasification furnace with multiple nozzles
CN103706380A Coal liquefaction catalyst and coal liquefaction method adopting coal liquefaction catalyst
CN103706381A Coal liquefaction catalyst and coal liquefaction method using coal liquefaction catalyst
CN104419437A Direct liquefaction process of coal mixed with high temperature coal tar
CN104419438A Direct liquefaction process of coal mixed with medium and low temperature coal tar
CN104419436A Direct coal liquefaction process using inferior oil
CN104419439A Two-stage hydrogenation based direct coal liquefaction process
CN104419461A Coal tar slurry bed and fixed bed series connection hydrogenation process
CN104277876A Inferior oil two-stage slurry bed hydrogenation technology
CN104277879A Two-stage slurry bed hydrogenation process of medium and low temperature coal tar
CN104277878A Two-stage slurry bed hydrogenation process of high temperature coal tar
CN104232136A Treating process of raw material pitch used for producing needle coke
CN104232130A Process of producing needle coke
CN104232143A Process of producing needle coke
CN104178213A Co-processing technology for viscosity-reduced heavy oil and coal
CN104178214A Method for preparing liquid fuel through co-refining of visbreaking heavy oil and coal
CN104178215A Viscosity-reduced heavy oil and coal co-processing technology
CN104178216A Method for preparing liquid fuel through co-refining of viscosity-reduced heavy oil and coal