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KUBOTA IRON WORKS CO., LTD.

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  • Hiroshima-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hollow stepped shaft and method of forming the same
    • Patent number 7,360,388
    • Issue date Apr 22, 2008
    • Kubota Iron Works Co., Ltd.
    • Shigeaki Yamanaka
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Electromagnetic coupling
    • Patent number 7,172,059
    • Issue date Feb 6, 2007
    • Kubota Iron Works Co., Ltd.
    • Shigeaki Yamanaka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Hollow stepped shaft and method of forming the same
    • Patent number 7,171,837
    • Issue date Feb 6, 2007
    • Kubota Iron Works Co., Ltd.
    • Shigeaki Yamanaka
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Die apparatus and die exchanging method in pressing machine
    • Patent number 7,134,312
    • Issue date Nov 14, 2006
    • Kubota Iron Works Co., Ltd.
    • Shigeaki Yamanaka
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Lower die assembly in pressing machine
    • Patent number 7,100,417
    • Issue date Sep 5, 2006
    • Kubota Iron Works Co., Ltd.
    • Shigeaki Yamanaka
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of joining together magnetic and nonmagnetic materials
    • Patent number 7,015,434
    • Issue date Mar 21, 2006
    • Kubota Iron Works Co., Ltd.
    • Shigeaki Yamanaka
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method of manufacturing a hollow shaft having a flange at one end t...
    • Patent number 6,959,479
    • Issue date Nov 1, 2005
    • Fuji Jukogyo Kabushiki Kaisha
    • Shigeaki Yamanaka
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Double action oil hydraulic press
    • Patent number 6,941,783
    • Issue date Sep 13, 2005
    • Kubota Iron Works Co., Ltd.
    • Shigeaki Yamanaka
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Method for manufacturing a torque converter
    • Patent number 6,662,446
    • Issue date Dec 16, 2003
    • Kubota Iron Works Co., Ltd.
    • Shigeaki Yamanaka
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Torque converter
    • Patent number 6,651,330
    • Issue date Nov 25, 2003
    • Kubota Iron Works Co., Ltd.
    • Shigeaki Yamanaka
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method of manufacturing a hollow shaft having a flange at one end t...
    • Patent number 6,615,476
    • Issue date Sep 9, 2003
    • Fuji Jukogyo Kabushiki Kaisha
    • Shigeaki Yamanaka
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Torque converter
    • Patent number 6,594,895
    • Issue date Jul 22, 2003
    • Kubota Iron Works Co., Ltd.
    • Shigeaki Yamanaka
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Torque converter
    • Patent number 6,474,062
    • Issue date Nov 5, 2002
    • Kubota Iron Works Co., Ltd.
    • Shigeaki Yamanaka
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Apparatus for manufacturing toothed gears
    • Patent number 5,722,138
    • Issue date Mar 3, 1998
    • Kubota Iron Works Co., Ltd.
    • Shigeaki Yamanaka
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method of and apparatus for forming a disc-shaped blank
    • Patent number 5,699,689
    • Issue date Dec 23, 1997
    • Kubota Iron Works Co., Ltd.
    • Shigeaki Yamanaka
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method for manufacturing toothed gears
    • Patent number 5,562,785
    • Issue date Oct 8, 1996
    • Kubota Iron Works Co., Ltd.
    • Shigeaki Yamanaka
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Toothed wheel for use in automobiles and its manufacturing method
    • Patent number 5,310,432
    • Issue date May 10, 1994
    • Sumitomo Metal Industries, Ltd.
    • Kiyoshi Fukui
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method of and apparatus for manufacturing drive plate
    • Patent number 5,237,745
    • Issue date Aug 24, 1993
    • Kubota Iron Works Co., Ltd.
    • Shigeaki Yamanaka
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents