TREA

Takeshi Kazama

Follow

Person

  • Hiroshima, JP
People

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

    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

    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

Patents Applicationslast 30 patents

  • Information Patent Application

    HOLLOW STEPPED SHAFT AND METHOD OF FORMING THE SAME
    • Publication number 20080127704
    • Publication date Jun 5, 2008
    • KUBOTA IRON WORKS CO., LTD.
    • Shigeaki Yamanaka
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Method of and apparatus for forming a hollow step profiled shaft
    • Publication number 20080060406
    • Publication date Mar 13, 2008
    • KUBOTA IRON WORKS CO., LTD.
    • Shigeaki Yamanaka
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Hollow stepped shaft and method of forming the same
    • Publication number 20070068215
    • Publication date Mar 29, 2007
    • KUBOTA IRON WORKS CO., LTD.
    • Shigeaki Yamanaka
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Lower die assembly in pressing machine
    • Publication number 20050103088
    • Publication date May 19, 2005
    • KUBOTA IRON WORKS CO., LTD.
    • Shigeaki Yamanaka
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Die apparatus and die exchanging method in pressing machine
    • Publication number 20050103089
    • Publication date May 19, 2005
    • KUBOTA IRON WORKS CO., LTD.
    • Shigeaki Yamanaka
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Hollow stepped shaft and method of forming the same
    • Publication number 20050016246
    • Publication date Jan 27, 2005
    • KUBOTA IRON WORKS CO., LTD.
    • Shigeaki Yamanaka
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Double action oil hydraulic press
    • Publication number 20040094048
    • Publication date May 20, 2004
    • KUBOTA IRON WORKS CO. LTD.
    • Shigeaki Yamanaka
    • B30 - PRESSES