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MITSUI SEKITAN EKIKA KK

Overview
  • Total Patents
    23
About

MITSUI SEKITAN EKIKA KK has a total of 23 patent applications. Its first patent ever was published in 1981. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology are HEFEI RUIHE DECORATION ENGINEERING CO LTD, YUNHUA HU and CHONGQING CHANGYUAN CHEMICAL CORP LTD.

Patent filings in countries

World map showing MITSUI SEKITAN EKIKA KKs patent filings in countries
# Country Total Patents
#1 Japan 23

Patent filings per year

Chart showing MITSUI SEKITAN EKIKA KKs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Sugimura Hidehiko 9
#2 Wasaka Sadao 9
#3 Hirayama Yoshitaka 9
#4 Ooi Shiyouichi 8
#5 Kameyama Mitsuo 7
#6 Takada Tadanobu 4
#7 Shinogaya Tatsuji 3
#8 Sakiyama Kenji 3
#9 Haneda Moriya 3
#10 Iguchi Kenji 3

Latest patents

Publication Filing date Title
JP2003191237A Method of reducing volume of waste plastic
JP2003147371A Method for reforming heavy hydrocarbon
JPH11323349A Coal liquefaction
JPH1072587A Method for treating waste plastics
JPH10265610A Process for treating waste plastic
JPH08337782A Conversion of heavy oil into light oil
JPH0881685A Method for treating waste plastics
JPH06300154A Pressure control valve
JPH06257687A Valve device
JPH06257678A Valve device
JPH0565618A Corrosion preventive ceramic coating film
JPH0457886A Process for liquefying coal
JPS60170693A Connected process of coal liquefaction process and coke preparation process
JPS60135488A Method for thermally reforming coal having low rank of coalification
JPS6044585A Liquefaction of coal
JPS6018587A Modification of coal with low rank of coalification
JPS601288A Improvement of coal with low coalifiation rank
JPS5959791A Preparation of brown coal/oil mixed fuel
JPS58187490A Preparation of coke having high strength and low ash content
JPS58136690A Preparation of low-ash coke