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JAPAN INST OF WASTEWATER ENGIN

Overview
  • Total Patents
    22
About

JAPAN INST OF WASTEWATER ENGIN has a total of 22 patent applications. Its first patent ever was published in 2000. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology are TROJSTVA, XIAORONG CHEN and YUKIMOTO TAKUO.

Patent filings in countries

World map showing JAPAN INST OF WASTEWATER ENGINs patent filings in countries
# Country Total Patents
#1 Japan 22

Patent filings per year

Chart showing JAPAN INST OF WASTEWATER ENGINs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Suzuki Shigeru 5
#2 Shinkai Yukio 3
#3 Nagai Mutsuro 3
#4 Eto Takashi 3
#5 Takahashi Naoya 3
#6 Matsushima Osamu 3
#7 Shibata Toshiyuki 3
#8 Suzuki Ken 3
#9 Ichimatsu Yuta 3
#10 Kobayashi Tatsuya 3

Latest patents

Publication Filing date Title
JP2010101118A Structure for preventing floating of underground structure
JP2010031508A Underground reservoir and method of flushing the same
JP2009249915A Uplift preventing manhole
JP2008150793A Liquid storage structure
JP2008127919A Manhole floatation preventing method and manhole
JP2007231507A Drop shaft structure
JP2006063677A Exhaust structure in pipe line and exhaust method
JP2005146600A Stored rainwater treatment device
JP2005061154A Method and device for eliminating retention water in force-feed type sewerage
JP2004305806A Activated sludge filtering method
JP2004305808A Method for removing ntirogen and phosphorus in wastewater
JP2004283659A Filtration apparatus
JP2003301510A Structure of special manhole of combined system of sewerage
JP2003301507A Flow control method in combined system of sewerage
JP2003253739A Exhaust structure and exhaust method in pipe line
JP2003097182A Slurry treatment device presenting system
JP2003080282A Water treatment equipment and method for cleaning wastewater from biomembrane filtration equipment
JP2002213180A Slurry type shield pipe jacking method
JP2002180787A Shield machine and excavating method
JP2002161996A Digestive gas absorber and eliminator