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KUBOTA IRON WORKS CO LTD

Overview
  • Total Patents
    101
  • GoodIP Patent Rank
    177,642
  • Filing trend
    ⇧ 50.0%
About

KUBOTA IRON WORKS CO LTD has a total of 101 patent applications. It increased the IP activity by 50.0%. Its first patent ever was published in 1981. It filed its patents most often in Japan, United States and EPO (European Patent Office). Its main competitors in its focus markets machine tools, machines and mechanical elements are METALART CORP, GORDON CARROLL G and WATERBURY FARREL FOUNDRY & MAC.

Patent filings per year

Chart showing KUBOTA IRON WORKS CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yamanaka Nariaki 41
#2 Yamanaka Shigeaki 31
#3 Kazama Takeshi 15
#4 Morita Yasuyuki 14
#5 Fujita Naotake 9
#6 Doi Masahiro 9
#7 Dohi Masahiro 8
#8 Kubota Kenya 6
#9 Kobayashi Toshio 6
#10 Hiyoshi Takayoshi 4

Latest patents

Publication Filing date Title
JP2020133539A Electric water pump
JP2020011386A Method for producing composite member
JP2019143514A Electric pump
JP2019146329A Driving device, axial gap motor, and manufacturing method of driving unit used therefor
JP2018178922A Manufacturing method of impeller
JP2018135797A Manufacturing method of rotor for electric pump
JP2015217407A Thickening processor of discoid material
JP2015200213A Electrically-driven water pump
JP2015031396A Gear plate for vehicle
JP2013241903A Electric water pump
JP2013199844A Electric pump
JP2010090776A Electric pump
JP2009293399A Electric pump
JP2009270484A Water pump impeller
JP2009208113A Method for forming hollow-stepped shaft
JP2009208111A Hollow-shaft member and forming method therefor
JP2008068279A Method of and apparatus for forming hollow step-profiled shaft
JP2007113561A Cooling device for internal combustion engine
JP2006300019A Method of manufacturing hollow cam shaft
JP2006198662A Method for forming hollow stepped shaft