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KOKAN MINING CO LTD

Overview
  • Total Patents
    56
About

KOKAN MINING CO LTD has a total of 56 patent applications. Its first patent ever was published in 1966. It filed its patents most often in Japan, Australia and United States. Its main competitors in its focus markets environmental technology, materials and metallurgy and electrical machinery and energy are PUBLIC WORKS RES CT, AISAWA CONSTRUCTION CO LTD and KY INZH STR INST.

Patent filings in countries

World map showing KOKAN MINING CO LTDs patent filings in countries
# Country Total Patents
#1 Japan 46
#2 Australia 5
#3 United States 3
#4 Germany 1
#5 Republic of Korea 1

Patent filings per year

Chart showing KOKAN MINING CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yamaguchi Atsushi 28
#2 Koto Hiroyuki 21
#3 Takahashi Tomoo 12
#4 Yoshizawa Chiaki 12
#5 Kinoshita Mitsuo 12
#6 Wada Takashi 9
#7 Sugiyama Tatsushi 8
#8 Nakahara Kazunori 5
#9 Watanabe Tetsuya 5
#10 Nakayama Nobutaka 5

Latest patents

Publication Filing date Title
JP2005205295A Method and apparatus for evaluating water quality of river
JP2005179615A Surface-treating agent for preparing flame retardant composition having nucleus of magnesium hydroxide grain, flame retardant composition and method for preparing the same
JP2005104754A Slaked lime with large specific surface area and its manufacturing method
JP2005058917A Treatment method for soil polluted with heavy metal
JP2005029970A Earthwork material
JP2005029398A Anti-solidifying agent of granulated blast furnace slag or its particle size adjusted material, and method for preventing solidification
JP2005015305A Aggregate for hydraulic cement composition and hydraulic cement composition
JP2004244290A Repairing material for heavyweight concrete
JP2004210574A Heavyweight concrete
JP2004161579A Method of treating water granulated blast furnace slag
JP2004161581A Processing method for granulated blast-furnace slag
JP2004161580A Method of treating granulated blast furnace slag
JP2004154645A Stabilization treatment method for heavy metals
JP2004130221A Wind-force classification apparatus
JP2004130220A Wind-force classification apparatus
JP2004130222A Method for classifying foreign matter in soil
JP2004099389A Anti-caking agent of granulated blast furnace slag or particle size regulated material thereof, caking prevention method and fine aggregate for hydraulic cement composition
JP2003160364A Agent and method for preventing lumping of granulated blast furnace slag or grain size adjusted material thereof
JP2004057901A Sorting recovery method for metal piece included in soil
JP2004000104A Method for improving underwater or environmental water shore