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SUMIJU KANKYO ENGINEERING KK

Overview
  • Total Patents
    45
About

SUMIJU KANKYO ENGINEERING KK has a total of 45 patent applications. Its first patent ever was published in 1998. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology and civil engineering are DAIDOU HITOSHI, MEIDEN PLANT KK and BRIQUETERIE BATI CHAOUIA.

Patent filings in countries

World map showing SUMIJU KANKYO ENGINEERING KKs patent filings in countries
# Country Total Patents
#1 Japan 45

Patent filings per year

Chart showing SUMIJU KANKYO ENGINEERING KKs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Misawa Kihachiro 23
#2 Tejima Minoru 5
#3 Kawai Mitsugi 4
#4 Katsuragi Tetsuo 4
#5 Tanaka Kotaro 4
#6 Yamada Kazunori 2
#7 Sumio Shigeaki 2
#8 Naito Kenichi 2
#9 Hatanaka Satoshi 2
#10 Araki Masahiko 1

Latest patents

Publication Filing date Title
JP2015031530A Flow direction estimation system and flow direction estimation method
JP2015027648A Air diffuser and operation method thereof
JP2013096624A Cooling device of chemical for water treatment
JP2011072932A Method and apparatus for treating wastewater
JP2011067727A Method and apparatus for treating wastewater
JP2010227790A Activated sludge treatment apparatus and method
JP2010082590A Simple measuring method for bacillus bacteria
JP2009241052A Biological wastewater treatment method and biological wastewater treatment apparatus
JP2009291719A Biological wastewater treatment apparatus
JP2008237992A Apparatus and method for wastewater treatment
JP2008221115A Filtration concentrator
JP2008168198A Sludge scraping machine
JP2008155182A Apparatus and method for treating water
JP2008155184A Apparatus and method for treating water
JP2008142601A Water treatment device
JP2008141986A Apparatus for treating tank water for fish, and method for treating tank water for fish
JP2008023468A Dominating treatment apparatus and method of bacillus bacteria
JP2008018357A Waste water treatment apparatus and waste water treatment method
JP2008012409A Waste water treatment apparatus and waste water treatment method
JP2007330883A Apparatus for treating wastewater and method for wastewater treatment