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Miyuki Yamamoto

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  • Izumiotsu, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Threaded joint for steel pipes
    • Patent number 7,997,627
    • Issue date Aug 16, 2011
    • Sumitomo Metal Industries, Ltd.
    • Masaaki Sugino
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Tubular threaded joint
    • Patent number 7,823,931
    • Issue date Nov 2, 2010
    • Sumitomo Metal Industries, Ltd.
    • Takahiro Hamamoto
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Threaded joint for steel pipes
    • Patent number 7,494,159
    • Issue date Feb 24, 2009
    • Sumitomo Metal Industries, Ltd.
    • Masaaki Sugino
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Tubular threaded joint with reinforced stop
    • Patent number 6,789,823
    • Issue date Sep 14, 2004
    • Vallourec Mannesmann Oil & Gas France
    • Celine Sches
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Threaded connection for oil country tubular goods and its method of...
    • Patent number 6,237,967
    • Issue date May 29, 2001
    • Sumitomo Metal Industries, Ltd.
    • Miyuki Yamamoto
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Threaded connection tubular goods
    • Patent number 6,045,165
    • Issue date Apr 4, 2000
    • Sumitomo Metal Industries, Ltd.
    • Masaaki Sugino
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Threaded joint for oil well pipes
    • Patent number 5,829,797
    • Issue date Nov 3, 1998
    • Sumitomo Metal Industries, Ltd.
    • Miyuki Yamamoto
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Threaded joint for oil well pipes
    • Patent number 5,419,595
    • Issue date May 30, 1995
    • Sumitomo Metal Industries, Ltd.
    • Miyuki Yamamoto
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    Tubular threaded joint
    • Publication number 20090200798
    • Publication date Aug 13, 2009
    • Takahiro Hamamoto
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Threaded joint for steel pipes
    • Publication number 20070236015
    • Publication date Oct 11, 2007
    • Masaaki Sugino
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Threaded joint for steel pipes
    • Publication number 20050248153
    • Publication date Nov 10, 2005
    • Masaaki Sugino
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Tubular threaded joint with reinforced stop
    • Publication number 20030067168
    • Publication date Apr 10, 2003
    • Celine Sches
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...