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Takehiro Okuno

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Patents Grantslast 30 patents

  • Information Patent Grant

    Chuck device
    • Patent number 10,799,957
    • Issue date Oct 13, 2020
    • Nittan Valve Co., Ltd.
    • Takehiro Okuno
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method of friction welding and apparatus of friction welding
    • Patent number 9,446,490
    • Issue date Sep 20, 2016
    • Nittan Valve Co., Ltd.
    • Ryo Onose
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Burring apparatus for friction welding machine
    • Patent number 8,960,524
    • Issue date Feb 24, 2015
    • Nittan Valve Co., Ltd.
    • Takehiro Okuno
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents