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NIPPON REFINE KK

Overview
  • Total Patents
    45
  • GoodIP Patent Rank
    220,571
About

NIPPON REFINE KK has a total of 45 patent applications. Its first patent ever was published in 1993. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology, chemical engineering and semiconductors are CS GIJUTSU KENKYUSHO KK, MITSUI MIIKE KAKOKI KK and NIPPON REFINE CO LTD.

Patent filings in countries

World map showing NIPPON REFINE KKs patent filings in countries
# Country Total Patents
#1 Japan 45

Patent filings per year

Chart showing NIPPON REFINE KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kawase Yasuhito 34
#2 Oda Akimasa 21
#3 Takeyama Tomokiyo 13
#4 Mizutani Eiichi 7
#5 Sakamoto Mitsuyoshi 5
#6 Ri Motoyoshi 5
#7 Bando Yoshiyuki 4
#8 Aida Chizuko 4
#9 Masuda Yoshitaka 3
#10 Maeda Shogo 3

Latest patents

Publication Filing date Title
JP2017018846A Water treatment method for anionic surfactant-containing water
JP2016013499A Volatile organic compound recovery method and volatile organic compound recovery device
JP2014168740A Solution treatment device
JP2014078643A Regeneration method and regeneration apparatus for resist stripping solution
JP2014077935A Regeneration method and regeneration apparatus for resist stripping solution
JP2013121582A Gas-liquid contact device, distillation apparatus, and heat exchanger
JP2012228647A Continuous crystal purification equipment
JP2011224490A Cleaning of volatile organic compound gas, and method and device for recovering and concentrating volatile organic compound
JP2010201282A Method and apparatus for recovering volatile organic compound
JP2010172842A Gas-liquid reaction method and apparatus using microbubble
JP2010065001A Method and apparatus for separating and recovering ethanol and water from fermentation moromi
JP2009109559A Method and apparatus for regenerating releasing liquid from releasing liquid waste water
JP2008189537A Method and apparatus for obtaining refined phosphoric acid from aqueous phosphoric acid solution containing a plurality of metal ions
JP2008114203A Method and apparatus for recovering and enriching voc from voc-containing exhaust gas and cleaning exhaust gas
JP2007222763A Packing material for vapor-liquid contact apparatus, packing material-stacked element for vapor-liquid contact apparatus and vapor-liquid contact apparatus using the element
JP2006315931A Method and apparatus for recovering phosphoric acid from metal ion-containing mixed acid aqueous solution containing phosphoric acid and at least one kind of acid except phosphoric acid
JP2006069960A Method for separation and purification of mixture system containing dimethyl sulfoxide and monoethanolamine
JP2006069845A Method and device for recovering phosphoric acid from metal-containing mixed acid aqueous solution comprising phosphoric acid and at least one kind of acid other than phosphoric acid
JP2006028556A Apparatus for regenerating metal-containing waste liquid acid
JP2005288329A Solvent recovery apparatus and solvent recovery method