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Yoshio Kobayashi

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  • Akashi-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Broach
    • Patent number 9,849,526
    • Issue date Dec 26, 2017
    • Mitsubishi Materials Corporation
    • Naoki Yoshizumi
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Helical broach
    • Patent number 9,440,298
    • Issue date Sep 13, 2016
    • Mitsubishi Materials Corporation
    • Naoki Yoshizumi
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    BROACH
    • Publication number 20140294521
    • Publication date Oct 2, 2014
    • MITSUBISHI MATERIALS CORPORATION
    • Naoki Yoshizumi
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    HELICAL BROACH
    • Publication number 20130156513
    • Publication date Jun 20, 2013
    • MITSUBISHI MATERIALS CORPORATION
    • Naoki Yoshizumi
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR