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Naoyuki Masatsugu

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  • Hiroshima, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Chuck drawing a work against the chuck-face
    • Patent number 7,311,312
    • Issue date Dec 25, 2007
    • Kabushiki Kaisha Kitagawa Tekkosho
    • Tamio Nishimiya
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Front part replacement type finger chuck
    • Patent number 5,848,795
    • Issue date Dec 15, 1998
    • Kitagawa Iron Works Co., Ltd.
    • Naoyuki Masatsugu
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    CHUCK DEVICE
    • Publication number 20190329327
    • Publication date Oct 31, 2019
    • KITAGAWA IRON WORKS CO., LTD
    • Naoyuki MASATSUGU
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Chuck with pull-in function
    • Publication number 20040169342
    • Publication date Sep 2, 2004
    • Tamio Nishimiya
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR