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Suguru Yamaguchi

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Patents Grantslast 30 patents

  • Information Patent Grant

    Threaded joint for steel pipes
    • Patent number 9,719,617
    • Issue date Aug 1, 2017
    • Nippon Steel & Sumitomo Metal Corporation
    • Takashi Okada
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Threaded connection comprising at least one threaded element with a...
    • Patent number 9,605,781
    • Issue date Mar 28, 2017
    • Vallourec Oil and Gas France
    • Sylvain Beigneux
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Threaded joint for steel pipes
    • Patent number 9,568,125
    • Issue date Feb 14, 2017
    • Nippon Steel & Sumitomo Metal Corporation
    • Suguru Yamaguchi
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Threaded joint for pipes
    • Patent number 9,194,515
    • Issue date Nov 24, 2015
    • Nippon Steel & Sumitomo Metal Corporation
    • Masahiro Oshima
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Threaded joint for steel pipes
    • Patent number 8,038,179
    • Issue date Oct 18, 2011
    • Sumitomo Metal Industries, Ltd.
    • Takahiro Takano
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Threaded joint for steel pipes
    • Patent number 7,900,975
    • Issue date Mar 8, 2011
    • Sumitomo Metal Industries, Ltd.
    • Keiichi Nakamura
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents