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JAPAN SEWAGE WORKS AGENCY

Overview
  • Total Patents
    80
  • GoodIP Patent Rank
    192,885
  • Filing trend
    ⇩ 100.0%
About

JAPAN SEWAGE WORKS AGENCY has a total of 80 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1988. It filed its patents most often in Japan, Republic of Korea and United States. Its main competitors in its focus markets environmental technology, chemical engineering and materials and metallurgy are GRABOWSKI TROPFKOERPER TECHNIK, FRANDSEN AKSEL S and MAEZAWA KOGYO.

Patent filings per year

Chart showing JAPAN SEWAGE WORKS AGENCYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yamamoto Hirohide 14
#2 Shimada Masao 14
#3 Wakayama Masanori 12
#4 Mori Takashi 11
#5 Kitabayashi Makoto 11
#6 Hashimoto Toshiichi 11
#7 Kabuto Tadatoshi 11
#8 Shimizu Kenji 10
#9 Mishina Fumio 10
#10 Shimura Susumu 10

Latest patents

Publication Filing date Title
JP2020124673A Solid-liquid separation system and solid-liquid separation method
JP2018158322A Sludge filtration apparatus
JP2018111083A Sludge digestion tank
JP2017060931A Solid-liquid separation system and inclined plate
JP2016002541A Membrane separation activated sludge treatment apparatus and method
JP2013103185A Wastewater treatment apparatus
JP2012143696A Wastewater treatment apparatus, and method for driving the same
JP2010179216A Anaerobic digestion treatment method of organic sludge
JP2010179217A Anaerobic treatment method combined with thermal solubilization drying
JP2009169737A Facility management using prediction soundness level and update planning system
JP2009126762A Acid-resistant composite and repairing method
JP2008238129A Carbonization treatment equipment of sludge
JP2008239903A Method and apparatus for suppressing evolution of heat from carbonized product
JP2008031262A Method for stabilization-treating carbonized product
JP2008032300A External heating-type rotary kiln
JP2008032299A Tar removing method of external heating type rotary kiln
JP2008014039A Repair method for mortar or concrete construction
JP2008012407A Water distribution method and water distribution device
JP2007070153A Highly acid-resistant mortar composition having improved troweling operability
JP2007050387A Apparatus for treating organic waste liquor