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RYOYO SANGYO KK

Overview
  • Total Patents
    19
  • GoodIP Patent Rank
    238,650
About

RYOYO SANGYO KK has a total of 19 patent applications. Its first patent ever was published in 1996. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology are YOSHIDA TADAYUKI, YUSEI KENKYU KIKINKAI and YULIN LIANGPAI ELECTRICAL APPLIANCE MFG CO LTD.

Patent filings in countries

World map showing RYOYO SANGYO KKs patent filings in countries
# Country Total Patents
#1 Japan 19

Patent filings per year

Chart showing RYOYO SANGYO KKs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Tagawa Hideo 18
#2 Tagawa Eiji 1

Latest patents

Publication Filing date Title
JP2015161140A System and method for capturing jellyfish near water intake of power plant and discharging the same
JP2014124185A Method for protecting fish-farming net cage from red tide
JP2014113136A Adherence extinction method of jellyfish polyp
JP2013162779A Laver culturing net
JP2004188404A Method for exterminating oceanic life
JP2004188230A Method for exterminating water bloom
JP2003334563A Ballast water
JP2003321497A Jellyfish collagen
JP2003235373A Electric shock
JP2002223651A Laver discoloration-preventing device
JP2002145184A Ocean pollution preventing method
JP2002138446A Jellyfish catching and reuse method
JP2001251986A Artificial fish reef
JP2001225788A Antifouling method for hull
JP2000175580A Extermination and removal of bacterium involved in laver disease injury
JP2000023587A Coloration of cultured fish in natural color
JPH11267700A Electrically sterilizing method
JPH11196755A Prevention of feeding damage to laver
JPH10118656A E.coli sterilizer