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NIPPON KAIJO KOJI KK

Overview
  • Total Patents
    55
  • GoodIP Patent Rank
    216,219
About

NIPPON KAIJO KOJI KK has a total of 55 patent applications. Its first patent ever was published in 1984. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology and civil engineering are NIPPON TETRAPOD CO, NIPPON JIDO KIKO KK and OOO OSANNA OOO OSANNA.

Patent filings in countries

World map showing NIPPON KAIJO KOJI KKs patent filings in countries
# Country Total Patents
#1 Japan 55

Patent filings per year

Chart showing NIPPON KAIJO KOJI KKs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Nakano Hiroshi 22
#2 Matsuzaki Katsuo 19
#3 Arima Yoshi 14
#4 Tazaki Kunio 12
#5 Tanada Toru 11
#6 Machida Yukinari 10
#7 Kanetani Mitsuo 10
#8 Sato Mamoru 8
#9 Fukuda Takayuki 6
#10 Tsukui Ganji 5

Latest patents

Publication Filing date Title
JP2020090373A Suspending frame device of plate-like body and laying method
JP2016108732A Installation method of asphalt mastic
JP2014001507A Placing device of fluid
JP2013111547A Method for constructing vertical water-blocking layer
JP2012001932A Internal reinforcement member for asphalt mixture or molded article thereof
JP2009137682A Suspending frame device
JP2009138380A Chute member
JP2008050818A Water cutoff layer construction method
JP2003221817A Protecting mat
JP2003129440A Asphalt mat
JP2003064636A Suction preventive construction method for hydraulic structure
JP2003020655A Impervious mat
JP2002327419A Method for forming impervious layer of impervious wall
JP2002146748A Asphalt mat
JP2002069966A Mattress member for increasing friction
JP2002061148A Asphalt mat and underwater impervious construction method
JP2002059108A Method of underwater seepage control work using asphalt mat
JP2002059109A Method of underwater seepage control work using asphalt mat
JP2001295245A Protecting method for structure
JPH1129917A Asphalt mat for steel structure