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HOKKAI GIKEN KOGYO KK

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    213,687
About

HOKKAI GIKEN KOGYO KK has a total of 13 patent applications. Its first patent ever was published in 1987. It filed its patents most often in Japan, Australia and Brazil. Its main competitors in its focus markets environmental technology and agriculture are TERRASPHERE SYSTEMS LLC, XUZHOU ACADEMY OF AGRICULTURAL SCIENCES and JINAN XINHUO ELECTRIC APPLIANCE CO LTD.

Patent filings in countries

World map showing HOKKAI GIKEN KOGYO KKs patent filings in countries
# Country Total Patents
#1 Japan 8
#2 Australia 1
#3 Brazil 1
#4 Canada 1
#5 EPO (European Patent Office) 1
#6 United States 1

Patent filings per year

Chart showing HOKKAI GIKEN KOGYO KKs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Environmental technology
#2 Agriculture

Top inventors

# Name Total Patents
#1 Nakagawa Isamu 7
#2 Nakagawa Yoshinori 6
#3 Tsukada Keiichi 5
#4 Yamada Tokushi 5
#5 Demura Hirotaka 5
#6 Tsunoda Junichi 1
#7 Murase Tetsuo 1

Latest patents

Publication Filing date Title
JP2020007761A Water storage type water leakage damming device
JP2017133175A Drain backflow countermeasure device, and roof drain with the same
JP2015148121A Roof drain
JP2014206255A Fastening member
JP2014091971A Roof material retainer plate
JP2014074429A Fastening member
JP2008298281A Washer for insulation and insulating structure using the same
JPH08134875A Gate device for regulating water distribution in water-distributing construction
US4794728A Apparatus for hydroponics