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NITTETSU KAKOKI KK

Overview
  • Total Patents
    249
About

NITTETSU KAKOKI KK has a total of 249 patent applications. Its first patent ever was published in 1972. It filed its patents most often in Japan, United States and Germany. Its main competitors in its focus markets environmental technology, chemical engineering and materials and metallurgy are BAEK UN HAK, BMEI CO LTD and HUZHOU OUHUI RENEWABLE RESOURCES TECH CO LTD.

Patent filings in countries

World map showing NITTETSU KAKOKI KKs patent filings in countries

Patent filings per year

Chart showing NITTETSU KAKOKI KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Shimoi Yoichi 32
#2 Tsuruta Hidemasa 30
#3 Adachi Takio 28
#4 Kinoshita Yoshiaki 28
#5 Imakire Yoshiyuki 22
#6 Hirabayashi Teruhiko 21
#7 Kurihara Toshiaki 18
#8 Akune Mikio 16
#9 Asano Hiroshi 15
#10 Tsuruta Hidetada 14

Latest patents

Publication Filing date Title
JP2005239991A Method for refining digestion gas
JP2005231984A Thermal decomposition recycling method of fluorine-containing solid
JP2005201614A Cooling method for high temperature drainage in waste combustion
JP2005161284A Method for supplying ozonized water of constant concentration
JP2005074415A Method and apparatus for producing ozone water little in metal contamination
JP2005007841A Method for fluororesin lining having good corrosion resistance
JP2004089971A Heating treatment method of ozone water
JP2004083542A Process for purifying methane fermentation gas
JP2004066206A Method of neutralizing waste water
JP2004034010A Ozone treatment method
JP2004017035A Method of separating/recovering target substance
JP2003260337A Concentration and separation apparatus
JP2003161427A White smoke preventive and dust removing equipment of exhaust gas
JP2003080053A Method for feeding reactive gas
JP2003047954A Ozone recovery method and ozone reusing method
JP2003001075A Ozonated water making facility
JP2002303414A Method for protecting incinerator
JP2002126402A Method of reducing water contained in organic solvent
JP2002131303A Compounding method for recovered solvent
JP2002089820A Incinerating method for waste liquid/waste gas containing organic substance