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ARAKAWA HARUSHIGE

Overview
  • Total Patents
    14
About

ARAKAWA HARUSHIGE has a total of 14 patent applications. Its first patent ever was published in 1989. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology are FUJIKI KK, SEKISUI AQUA SYSTEM KK and FUKAYA MINORU.

Patent filings in countries

World map showing ARAKAWA HARUSHIGEs patent filings in countries
# Country Total Patents
#1 Japan 14

Patent filings per year

Chart showing ARAKAWA HARUSHIGEs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Arakawa Harushige 14
#2 Yamato Yoshiyuki 1

Latest patents

Publication Filing date Title
JP2004016065A Plant-loading raft
JP2001239296A Polluted river cleaning device
JPH11332405A Raft for plant culture
JPH10113681A Transpiratory infiltration-type device for treating domestic waste water or the like applying artificial cultured microorganism
JPH09314157A Artificially cultured microbe discharge apparatus
JPH09276886A Treated water supply apparatus applying artificially cultured bacteria
JPH09218193A Pollution load mass recorder for sewage and pollutant discharge prevention system using the recorder
JPH09105742A Automatic measuring device for sewage purifying action
JPH08298893A Method for preventing water pollution of fish preserve for cultivation of fish and shellfish and fish preserve shielding sheet therefor
JPH08168794A Successive continuous waste water treatment and device therefor as well as method for acclimatizing usefull composite microorganism used therefor
JPH08108189A Filter bed of purifying apparatus
JPH0820928A Releasing device for useful micro-organism
JPH07290077A River purifying system
JPH03108664A Robot system for monitoring quality of water in water vessel