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DOI TOYOHIKO

Overview
  • Total Patents
    12
About

DOI TOYOHIKO has a total of 12 patent applications. Its first patent ever was published in 2007. It filed its patents most often in Japan and United States. Its main competitors in its focus markets environmental technology are LIU ZHAOLI, GEZHOUBA GROUPS ELECTRIC POWER CO LTD and KINOUSUI KENKYUSHO KK.

Patent filings in countries

World map showing DOI TOYOHIKOs patent filings in countries
# Country Total Patents
#1 Japan 11
#2 United States 1

Patent filings per year

Chart showing DOI TOYOHIKOs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Doi Toyohiko 12

Latest patents

Publication Filing date Title
US2013112571A1 Electrolytic apparatus and method for producing slightly acidic electrolyzed water
JP2010023034A Method for killing microbial contaminant in ballast water of transport ship
JP2009274950A Method for preparing molecular hypochlorous acid solution
JP2010126769A Composite electrolytic bath
JP2010104972A Method for sterilizing raw water
JP2010091240A Liquid spray method and spray apparatus
JP2010084225A Electrolysis method with inclined electrode and apparatus therefor
JP2010082588A Method of preparing slightly-acid electrolytic water
JP2009261991A Electrolytic water packing
JP2009208801A Distribution method of germicide having hypochlorous acid as main sterilization chemical species
JP2009136814A Preparation method of weak acidic electrolytic water
JP2009028671A Apparatus for producing bactericide