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Michihiko Iwamoto

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  • Wakayama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Threaded connection for steel pipe
    • Patent number 11,703,163
    • Issue date Jul 18, 2023
    • Nippon Steel Corporation
    • Michihiko Iwamoto
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Threaded connection
    • Patent number 11,248,725
    • Issue date Feb 15, 2022
    • Nippon Steel Corporation
    • Satoshi Maruta
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Threaded connection
    • Patent number 11,149,882
    • Issue date Oct 19, 2021
    • Nippon Steel Corporation
    • Satoshi Maruta
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Threaded connection for steel pipe
    • Patent number 11,067,205
    • Issue date Jul 20, 2021
    • Nippon Steel Corporation
    • Michihiko Iwamoto
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Threaded joint for pipes
    • Patent number 10,626,345
    • Issue date Apr 21, 2020
    • Nippon Steel Corporation
    • Kunio Goto
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • 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 9,321,982
    • Issue date Apr 26, 2016
    • Nippon Steel & Sumitomo Metal Corporation
    • Kunio Goto
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • 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

    Threaded joint for tubes
    • Patent number 5,687,999
    • Issue date Nov 18, 1997
    • Vallourec Oil & Gas
    • Alain Lancry
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    THREADED CONNECTION FOR STEEL PIPE
    • Publication number 20220082189
    • Publication date Mar 17, 2022
    • NIPPON STEEL CORPORATION
    • Michihiko IWAMOTO
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Threaded Connection
    • Publication number 20210231240
    • Publication date Jul 29, 2021
    • NIPPON STEEL & SUMITOMO METAL CORPORATION
    • Satoshi Maruta
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Threaded Connection for Steel Pipe
    • Publication number 20200025315
    • Publication date Jan 23, 2020
    • NIPPON STEEL CORPORATION
    • Michihiko Iwamoto
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Threaded Connection
    • Publication number 20190203857
    • Publication date Jul 4, 2019
    • NIPPON STEEL & SUMITOMO METAL CORPORATION
    • Satoshi Maruta
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    THREADED JOINT FOR PIPES
    • Publication number 20160230119
    • Publication date Aug 11, 2016
    • NIPPON STEEL & SUMITOMO METAL CORPORATION
    • Kunio GOTO
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    THREADED JOINT FOR PIPES
    • Publication number 20100301600
    • Publication date Dec 2, 2010
    • Kunio Goto
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    THREADED CONNECTION COMPRISING AT LEAST ONE THREADED ELEMENT WITH A...
    • Publication number 20100301603
    • Publication date Dec 2, 2010
    • VALLOUREC MANNESMANN OIL & GAS FRANCE
    • Sylvain Beigneux
    • E21 - EARTH DRILLING MINING
  • 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