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KOISHI KAZUNORI

Overview
  • Total Patents
    17
  • GoodIP Patent Rank
    237,312
About

KOISHI KAZUNORI has a total of 17 patent applications. Its first patent ever was published in 1975. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and Canada. Its main competitors in its focus markets environmental technology and chemical engineering are EVU GMBH, CHAFFEE KEVIN R and JIANGSU BODA ENVIRONMENTAL PROT CO LTD.

Patent filings per year

Chart showing KOISHI KAZUNORIs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Koishi Kazunori 17

Latest patents

Publication Filing date Title
WO2016020957A1 Filtration method and filtration device
JP2014018741A Upward filtration apparatus equipped with fine particle filter medium
JP2013244428A Filter with vibrator
CA2810635A1 Upward-type filtering apparatus characterized in laminating method of filtering material
JP2012120955A Filtering apparatus for removing turbid material
JP2011136323A Upward filtration apparatus having feature in lamination method of filter medium
JP2011110533A Upward filtration apparatus
JP2010234324A Filtration method, filtration apparatus and filter bed
JP2010207743A Method and apparatus for removing cryptosporidium
JPS5293157A Floor heating system and method of installing the same
JPS5259348A Hottwater boiler without flushing cistern for heating