TREA

Ryuta Hirai

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Plasma cutting method and plasma cutting apparatus
    • Patent number 9,492,882
    • Issue date Nov 15, 2016
    • Koike Sanso Kogyo Co., Ltd.
    • Tetsuo Koike
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Outer nozzle for plasma torch
    • Patent number D702272
    • Issue date Apr 8, 2014
    • Koike Sanso Kogyo Co., Ltd.
    • Akira Furujo
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Electrode for plasma torch
    • Patent number D687874
    • Issue date Aug 13, 2013
    • Koike Sanso Kogyo Co., Ltd.
    • Akira Furujo
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Inner nozzle for plasma torch
    • Patent number D654939
    • Issue date Feb 28, 2012
    • Voike Sanso Kogyo Co., Ltd.
    • Akira Furujo
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Inner nozzle for plasma torch
    • Patent number D654940
    • Issue date Feb 28, 2012
    • Koike Sanso Kogyo Co., Ltd.
    • Akira Furujo
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Outer nozzle for plasma torch
    • Patent number D653270
    • Issue date Jan 31, 2012
    • Koike Sanso Kogyo Co., Ltd.
    • Akira Furujo
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Plasma torch body
    • Patent number D652437
    • Issue date Jan 17, 2012
    • Koike Sanso Kogyo Co., Ltd.
    • Akira Furujo
    • D15 - Machines not elsewhere specified

Patents Applicationslast 30 patents