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KOJIMA HISAO

Overview
  • Total Patents
    60
About

KOJIMA HISAO has a total of 60 patent applications. Its first patent ever was published in 1982. It filed its patents most often in Japan, United States and EPO (European Patent Office). Its main competitors in its focus markets chemical engineering, environmental technology and surface technology and coating are LI WEIKE, STATIFLO INTERNAT LTD and VYZK USTAV VODOHOSPODARSKY.

Patent filings in countries

World map showing KOJIMA HISAOs patent filings in countries
# Country Total Patents
#1 Japan 47
#2 United States 8
#3 EPO (European Patent Office) 3
#4 Czechia 1
#5 India 1

Patent filings per year

Chart showing KOJIMA HISAOs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kojima Hisao 59
#2 Tsubota Akio 3
#3 Hisao Kojima 1
#4 Saeki Ryoji 1
#5 Uchiumi Takeshi 1
#6 Saeki Riyouji 1

Latest patents

Publication Filing date Title
JP2003038943A Mixing element and manufacturing method therefor
JP2002143834A Device for removing impurity in liquid
JP2001170476A Device for removing impurity in liquid
JP2001187313A Wet stack gas desulfurizing device
JPH1080627A Gas-liquid treating device
JPH09131522A Mixing element
JPH07284642A Mixing element and production therefor
US5215130A Liquid-mixture auto-applying apparatus
JPH05168882A Mass transfer device and its manufacture
JPH0596144A Gas-liquid contact equipment
JPH0549887A Static type fluid mixer and its production
JPH0515753A Gas-liquid contact apparatus
JPH04135633A Stationary fluid mixer and its production device
US5312185A Motionless mixer and method for manufacturing the same
JPH0360727A Static fluid mixer and its production
JPH0332770A Automatic liquid mixing and applying device
JPH02290287A Apparatus for improvement of water in quality
JPH02265616A Car for waste gas treatment
JPH0243932A Mixing element
JPS6422329A Mixing element