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FREE KOGYO KK

Overview
  • Total Patents
    113
  • GoodIP Patent Rank
    143,814
  • Filing trend
    ⇩ 75.0%
About

FREE KOGYO KK has a total of 113 patent applications. It decreased the IP activity by 75.0%. Its first patent ever was published in 1978. It filed its patents most often in Japan and Italy. Its main competitors in its focus markets environmental technology, civil engineering and machine tools are KYOWA HARMOTECH KK, ABE SHIZUKO and TAIYO GIJUTSU KAIHATSU KK.

Patent filings in countries

World map showing FREE KOGYO KKs patent filings in countries
# Country Total Patents
#1 Japan 112
#2 Italy 1

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Nagaoka Shingen 73
#2 Ishizuka Yoshinori 23
#3 Tomita Mitsuru 11
#4 Nagaoka Ryuji 7
#5 Iwazu Masaya 7
#6 Tamura Tatsumi 5
#7 Yanai Makoto 4
#8 Oe Kiyoshi 4
#9 Fujimori Yasuzumi 3
#10 Watanabe Yumiko 3

Latest patents

Publication Filing date Title
JP2019183484A Bridge repair method
JP2019030250A Fish bank block
JP2019030251A Fish bank block
JP2019019616A Wall surface structure and method for constructing wall surface
JP2019011607A Permanent formwork and concrete foundation
JP2018091036A Slope stabilization method
JP2018040121A Repair method of deteriorated concrete structure, and steel plate used with the same
JP2017201087A Half precast anchor pressure receiving plate, and slope protection method using a mold block
JP2017082506A Method for constructing reinforced banking wall
JP2017031667A Structure and method for suppressing sediment collapse
JP2017002662A Slope stabilization method and joint material for use in the same
JP2015155612A Resistive element for banking, and construction method for banking structure
JP2015108226A Form for construction of wall surface, and method for constructing wall surface using the same
JP2015101880A Structure of retaining wall and construction method for the same
JP2014185452A Panel for construction of wall surface, and construction method for wall surface
JP2014173305A Arc form and structure of retaining wall
JP2014114572A Resistive element for banking, and construction method for banking structure
JP2013237989A Method for restoring bridge
JP2013221375A Construction method of slope frame
JP2013204241A Structure and construction method of underwater structure