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KANKEN KK

Overview
  • Total Patents
    28
About

KANKEN KK has a total of 28 patent applications. Its first patent ever was published in 1993. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology and materials and metallurgy are UNYUSHO DAINI KOWAN KENSETSUKY, MCC SHIJIU CONSTRUCTION CO LTD and NIPPON SOLID CO LTD.

Patent filings in countries

World map showing KANKEN KKs patent filings in countries
# Country Total Patents
#1 Japan 28

Patent filings per year

Chart showing KANKEN KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Imaizumi Takashi 17
#2 Ishikawa Toshikatsu 16
#3 Yamagishi Kazuo 5
#4 Tanimoto Kayohiko 5
#5 Hoshino Hideaki 3
#6 Fukuyama Hirofumi 2
#7 Suzaki Noritaka 2
#8 Okada Zenshi 2
#9 Okamoto Jiro 2
#10 Hayashi Tetsuo 2

Latest patents

Publication Filing date Title
JP2015108217A Repair method of side ditch cover
JP2013236459A Installation structure of solar cell panel
JP2011136336A Septic tank installation structure
JP2011089356A Method of modifying asbestos
JP2010168792A Septic tank installation structure
JP2008095403A Concrete floor structure
JP2007283282A Lump-shaped phosphorus adsorbent utilizing city water sludge
JP2007169975A Pc concrete foundation plate for underground buried septic tank
JP2006109809A Wild bird nesting structure in retaining wall
JP2006037489A Retaining wall
JP2005288341A Organic pollutant treating agent
JP2004211332A Fitting structure of side ditch body and side-ditch cover
JP2004091409A Chinese medicine-type weed-suppressing agent and method for suppressing weed
JP2001164535A Concrete wall or building material block, and purifying cement
JP2001107446A Joining structure of concrete product
JP2001025631A Gas cleaning apparatus
JP2001020365A U-shaped ditch assembly body
JPH11181742A Lining block for revetment
JPH10176336A Wedge stone block unit for retaining wall
JPH1025753A Vegetation concrete block and lining structure using the concrete block