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Masakazu Matsumoto

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  • Osaka-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Tool holder
    • Patent number 7,320,568
    • Issue date Jan 22, 2008
    • Nikken Kosakusho Works Ltd.
    • Masakazu Matsumoto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Wrench
    • Patent number 7,181,998
    • Issue date Feb 27, 2007
    • Nikken Kosakusho Works Ltd.
    • Masakazu Matsumoto
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Tool holder
    • Patent number 7,165,923
    • Issue date Jan 23, 2007
    • Nikken Kosakusho Works Ltd.
    • Masakazu Matsumoto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Tool holder
    • Patent number 7,037,053
    • Issue date May 2, 2006
    • Nikken Kosakusho Works Ltd.
    • Masakazu Matsumoto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Wrench
    • Patent number 7,036,400
    • Issue date May 2, 2006
    • Nikken Kosakusho Works Ltd.
    • Masakazu Matsumoto
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Chuck
    • Patent number 7,017,919
    • Issue date Mar 28, 2006
    • Nikken Kosakusho Works Ltd.
    • Masakazu Matsumoto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    End mill chucking structure
    • Patent number 6,394,466
    • Issue date May 28, 2002
    • Nikken Kosakusho Works Ltd.
    • Masakazu Matsumoto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Tool holder and tool holder attachment mechanism
    • Patent number 6,352,395
    • Issue date Mar 5, 2002
    • Nikken Kosakusho Works Ltd.
    • Masakazu Matsumoto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Chuck
    • Patent number 6,105,974
    • Issue date Aug 22, 2000
    • Nikken Kosakusho Works Ltd.
    • Masakazu Matsumoto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Clamping apparatus for a spindle of a machine tool
    • Patent number 5,730,562
    • Issue date Mar 24, 1998
    • Nikken Kosakusho Works, Ltd.
    • Masakazu Matsumoto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Tool holder
    • Patent number 5,716,173
    • Issue date Feb 10, 1998
    • Nikken Kosakusho Works, Ltd.
    • Masakazu Matsumoto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Tool holder
    • Patent number 5,593,258
    • Issue date Jan 14, 1997
    • Nikken Kosakusho Works Ltd.
    • Masakazu Matsumoto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Clamp device for rotary shaft portion
    • Patent number 5,507,587
    • Issue date Apr 16, 1996
    • Nikken Kosakusho Works, Ltd.
    • Masakazu Matsumoto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Clamp device for rotary shaft portion
    • Patent number 5,385,424
    • Issue date Jan 31, 1995
    • Nikken Kosakusho Works, Ltd.
    • Masakazu Matsumoto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    Tool holder
    • Publication number 20070053758
    • Publication date Mar 8, 2007
    • NIKKEN KOSAKUSHO WORKS LTD.
    • Masakazu Matsumoto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Tool holder
    • Publication number 20060062645
    • Publication date Mar 23, 2006
    • NIKKEN KOSAKUSHO WORKS LTD.
    • Masakazu Matsumoto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Wrench
    • Publication number 20050199101
    • Publication date Sep 15, 2005
    • NIKKEN KOSAKUSHO WORKS LTD.
    • Masakazu Matsumoto
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Chuck
    • Publication number 20050073115
    • Publication date Apr 7, 2005
    • Masakazu Matsumoto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Wrench
    • Publication number 20040007097
    • Publication date Jan 15, 2004
    • NIKKEN KOSAKUSHO WORKS LTD.
    • Masakazu Matsumoto
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Tool holder
    • Publication number 20030228199
    • Publication date Dec 11, 2003
    • NIKKEN KOSAKUSHO WORKS LTD.
    • Masakazu Matsumoto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Tool holder
    • Publication number 20030175088
    • Publication date Sep 18, 2003
    • NIKKEN KOSAKUSHO WORKS LTD.
    • Masakazu Matsumoto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Tool holder and tool holder attachment mechanism
    • Publication number 20010049984
    • Publication date Dec 13, 2001
    • Nikken Kosakusho Works, Ltd.
    • Masakazu Matsumoto
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC