TREA

Hitoshi Sannomiya

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  • Gunma, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rolling die for ball screw
    • Patent number 7,065,996
    • Issue date Jun 27, 2006
    • NSK Ltd.
    • Etsuo Koike
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Ball screw
    • Patent number 6,993,992
    • Issue date Feb 7, 2006
    • NSK Ltd.
    • Toru Kanda
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Rolled ball screw and method for rolling ball screw groove
    • Patent number 6,880,421
    • Issue date Apr 19, 2005
    • NSK Ltd.
    • Yasumi Watanabe
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ball screw
    • Patent number 6,722,223
    • Issue date Apr 20, 2004
    • NSK Ltd.
    • Toru Kanda
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Thread rolling die and process for the production thereof
    • Patent number 6,708,544
    • Issue date Mar 23, 2004
    • NSK Ltd.
    • Hitoshi Sannomiya
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

  • Information Patent Application

    Rolling die for ball screw
    • Publication number 20040107755
    • Publication date Jun 10, 2004
    • NSK Ltd
    • Etsuo Koike
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Ball screw
    • Publication number 20030233898
    • Publication date Dec 25, 2003
    • NSK Ltd
    • Toru Kanda
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Rolled ball screw and method for rolling ball screw groove
    • Publication number 20030121346
    • Publication date Jul 3, 2003
    • NSK Ltd
    • Yasumi Watanabe
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Ball screw
    • Publication number 20020148314
    • Publication date Oct 17, 2002
    • NSK Ltd
    • Toru Kanda
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Thread rolling die and process for the production thereof
    • Publication number 20020112518
    • Publication date Aug 22, 2002
    • NSK Ltd
    • Hitoshi Sannomiya
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...