Learn more

OKADA SANGYO KK

Overview
  • Total Patents
    37
About

OKADA SANGYO KK has a total of 37 patent applications. Its first patent ever was published in 1975. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology are KONDO KOZAI KK, ZINOVEV V YA and KOOEI KOGYO KK.

Patent filings in countries

World map showing OKADA SANGYO KKs patent filings in countries
# Country Total Patents
#1 Japan 37

Patent filings per year

Chart showing OKADA SANGYO KKs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Okada Tamotsu 26
#2 Tanaka Minoru 4
#3 Okada Takuzo 3
#4 Ninomiya Yoshihiko 2
#5 Furuta Akio 2
#6 Nomura Keiichi 2
#7 Terashita Tetsumi 1
#8 Okada Shigeru 1
#9 Makino Yuji 1
#10 Hayashi Noritaka 1

Latest patents

Publication Filing date Title
JP2010005612A Wastewater treatment apparatus
JP2010172872A Muddy water treatment apparatus
JP2010005528A Wastewater treatment apparatus and nozzle for wastewater treatment apparatus
JP2006057301A Connecting structure of woody columnar member and wooden protection fence equipped with the connecting structure
JP2005308926A Booklet type display device
JP2005095714A Upward filtration device
JP2004307009A Liquid feeder
JP2003094089A Aeration device
JP2003093809A Upward flow type filtration apparatus
JP2002168007A Support cover and support cover-equipped fence using h-shaped support
JP2002086216A Bending apparatus
JP2001269508A Ascending filter apparatus
JPH09143934A Cover for h-shaped column
JPH0913406A Decorative formwork panel
JPH08206697A Sludge weight-reducing tank
JPS6362514A Upward filter made of glass-fiber reinforced resin
JPS62262717A Device for washing filter medium of filter
JPS6261606A Apparatus for filtering sewage
JPS61245808A Upwardly directing type filter apparatus
JPS61234908A Feeding upward filter