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NISHIHARA ENV SAN RES CO LTD

Overview
  • Total Patents
    367
About

NISHIHARA ENV SAN RES CO LTD has a total of 367 patent applications. Its first patent ever was published in 1971. It filed its patents most often in Japan, Canada and United States. Its main competitors in its focus markets environmental technology, measurement and machines are NIPPON SANGYO KIKAI KK, KITAO TAKANE and V M C KK.

Patent filings in countries

World map showing NISHIHARA ENV SAN RES CO LTDs patent filings in countries

Patent filings per year

Chart showing NISHIHARA ENV SAN RES CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Suzuki Tomio 65
#2 Hayakawa Noboru 60
#3 Chigusa Kaoru 38
#4 Hoshi Noriharu 32
#5 Sugawara Yoshiyuki 30
#6 Takemoto Yutaka 26
#7 Inami Shigeru 20
#8 Hamamoto Youichi 18
#9 Ito Takashi 15
#10 Ishida Jiyun 15

Latest patents

Publication Filing date Title
JP2002233899A Centrifugal separator provided with function for improving quality of raw sludge
JP2003159599A Sludge treatment system
JP2003088894A Device for preparation of easily decomposable organic matter
JP2003000228A New microorganism and apparatus for treating waste water containing oil-and-fat using the microorganism
JP2003000227A New microorganism and organic waste water treating apparatus using the same
JP2002326087A Electrolytic reduction device for removing halogenated acid
JP2002282605A Forced circulation type separation device
JP2002273457A High-speed agitating reducing system
JP2002267656A Water quality classifying apparatus
JP2002102606A Water treatment device
JP2002058908A Flocculating sedimentation treatment equipment
JP2002058914A Solid-liquid separator
JP2002058913A Solid-liquid separator having stirring flow forming means
JP2002058911A Circulating flow type flocculating/separation equipment
JP2002058912A Whirling flow type flocculating/separation equipment
JP2002011472A Immersed membrane separation apparatus
JP2001327806A Automatic injection device of flocculant for water cleaning
JP2001276879A Air diffuser type stirring device for aeration tank
JP2001259677A Waste water treating apparatus equipped with solid- liquid separating means
JP2001153555A Sludge granulating and drying device