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NAKAYA JITSUGYO KK

Overview
  • Total Patents
    26
About

NAKAYA JITSUGYO KK has a total of 26 patent applications. Its first patent ever was published in 1988. It filed its patents most often in Japan and Taiwan. Its main competitors in its focus markets machines, environmental technology and machine tools are LANGSTON JODY, GEN BRIQUETTING COMPANY and PAUL BONNAFOUX.

Patent filings in countries

World map showing NAKAYA JITSUGYO KKs patent filings in countries
# Country Total Patents
#1 Japan 25
#2 Taiwan 1

Patent filings per year

Chart showing NAKAYA JITSUGYO KKs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Oogawara Yukimi 22
#2 Ogawara Takeshi 4
#3 Yamashita Kenichi 3
#4 Miwa Keiichiro 3
#5 Ogawara Rumi 1
#6 Ogawara Yukimi 1
#7 Oogawara Yukiyoshi 1

Latest patents

Publication Filing date Title
JP2007117896A Apparatus and method for treating muddy water
JP2006132186A Method of recycling slurry discharged in process of crushed sand manufacturing step
JP2002066599A Device and method for treating agitator cleaning waste liquid
JP2001353413A Device for separating mud from water, apparatus for treating muddy water and method for treating muddy water
JP2001252579A Crushed sand manufacturing device for concrete
JP2001232231A Sand sorting apparatus and tronmel used for the same
JP2001058313A Agitator-cleaning waste liquid treatment device and treatment method
JP2000334383A Rock classifying device
JP2000157890A Adherent mud cleaning device
JPH11333208A Muddy water treatment device
JPH10305237A Sand and water separating device
JPH10305235A Manufactured sand producing apparatus for concrete
JPH07136407A Flocculant adding apparatus for muddy water treatment
JPH06328001A Sand screening sorter
JPH06320043A Sand sieving and screening machine
JPH06328000A Sand screening sorter
JPH06114597A Muddy water treatment device
JPH0699425A Water content reducing device for wet sand
JPH0663317A Muddy material compressing device
JPH0655026A Treatment of powdery waste and its device