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DOWA METALS & MINING CO LTD

Overview
  • Total Patents
    246
  • GoodIP Patent Rank
    60,293
  • Filing trend
    0.0%
About

DOWA METALS & MINING CO LTD has a total of 246 patent applications. It increased the IP activity by 0.0%. Its first patent ever was published in 2003. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and China. Its main competitors in its focus markets materials and metallurgy, environmental technology and machines are NEWMONT EXPLORATION LTD, CHEMETALS CORP and CARRICK JAMES TAYLOR.

Patent filings per year

Chart showing DOWA METALS & MINING CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Fujita Tetsuo 104
#2 Abumiya Mitsuo 65
#3 Sato Yusuke 56
#4 Mikami Hironobu 55
#5 Taguchi Ryoichi 54
#6 Matsumoto Masayoshi 44
#7 Oouchi Masami 35
#8 Nakamura Yuzuru 23
#9 Kawasaki Minoru 13
#10 Tetsuo Fujita 11

Latest patents

Publication Filing date Title
JP2020117798A Tin electrowinning method
JP2020132943A Method for recovering noble metal
JP2020121904A Germanium oxide powder and method for producing the same
JP2020104037A Heavy metal-containing exhaust gas processing method
JP2020106176A Method for processing exhaust gas containing heavy metal
JP2020076121A Pgm recovery metho
JP2020033626A Recovery method of tin
JP2020012126A Electrolytic extraction method of nonferrous metal, and method of producing anode for use therein
JP2019178351A Electrolytic tank, electrolytic device, electrolytic method, and metal indium
JP2019085618A Recovery method of antimony
JP2019064871A Method of recovering fluorine
JP2018145454A Method of recovering antimony
JP2018141199A Electrowinning method of zinc metal and collection method thereof
JP2018111075A Method for removing arsenic from arsenic solution
JP2018111074A Methods for removing and separating arsenic from arsenic solution
JP2017179420A Method for recovering tin
JP2017077983A Method for producing metal selenium
JP2017066503A Apparatus for recovering molten slag, pipe for recovering molten slag and method for recovering molten slag
JP2017031455A Liquid level height control device
JP2017002376A Recycling method of lead electrolyte