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NIPPON BROWN COAL LIQUEFACTION

Overview
  • Total Patents
    48
About

NIPPON BROWN COAL LIQUEFACTION has a total of 48 patent applications. Its first patent ever was published in 1984. It filed its patents most often in Japan, Australia and Indonesia. Its main competitors in its focus markets environmental technology are CHANGSHA RES INST OF MINING AN, ZIBO YUJING NEW MATERIAL TECHNOLOGY CO LTD and NANTONG YONGKANG DETECTION TECHNOLOGY CO LTD.

Patent filings in countries

World map showing NIPPON BROWN COAL LIQUEFACTIONs patent filings in countries
# Country Total Patents
#1 Japan 37
#2 Australia 9
#3 Indonesia 2

Patent filings per year

Chart showing NIPPON BROWN COAL LIQUEFACTIONs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Okuyama Noriyuki 11
#2 Kaneko Takao 10
#3 Hirano Tatsuo 9
#4 Tazawa Kazuharu 9
#5 Okuma Osamu 8
#6 Makino Eiichiro 8
#7 Tamura Masaaki 8
#8 Sumida Shuichiro 7
#9 Sato Koichi 7
#10 Koyama Toru 7

Latest patents

Publication Filing date Title
JPH10324877A Coal liquefaction method
JPH11106757A Method for stabilizing liquefied coal
JPH10298556A Liquefaction of coal
JPH10121055A Method for liquefying coal
JPH09286987A Liquefaction of coal
JPH09253665A Method for treating drainage of hot water treatment of coal
JPH0948979A Liquefaction of coal
AU8171094A Process of coal liquefaction
JPH0841463A Method for liquefying coal
JPH07224283A Method of liquefying coal
JPH07207274A Liquefaction of coal
JPH04253793A Production of liquified coal
JPH04198393A Flow rate controller of slurried fluid
JPH04198392A Liquefaction of coal
JPH04171294A Rotary pump for sludge
JPH04161488A Liquefaction of coal
JPH04161487A Dehydration of raw material coal for coal liquefying process
JPH04161490A Liquefaction of coal
JPH04161489A Liquefaction of coal
JPH04161492A Belt type heavy fraction solidifying device