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Naomichi Miyashita

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Patents Grantslast 30 patents

  • Information Patent Grant

    Spark plug and assembling structure thereof
    • Patent number 9,190,812
    • Issue date Nov 17, 2015
    • NGK Spark Plug Co., Ltd.
    • Naomichi Miyashita
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Gasket and automotive component
    • Patent number 9,010,765
    • Issue date Apr 21, 2015
    • NGK Spark Plug Co., Ltd.
    • Naomichi Miyashita
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug
    • Patent number 8,766,521
    • Issue date Jul 1, 2014
    • NGK Spark Plug Co., Ltd.
    • Hirotoshi Yoshizaki
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Spark plug having a substantially columnar electrode tip welded to...
    • Patent number 8,664,844
    • Issue date Mar 4, 2014
    • NGK Spark Plug., Ltd.
    • Naomichi Miyashita
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Spark plug
    • Patent number 8,664,843
    • Issue date Mar 4, 2014
    • NGK Spark Plug Co., Ltd.
    • Yuichi Yamada
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug
    • Patent number 8,624,475
    • Issue date Jan 7, 2014
    • NGK Spark Plug Co., Ltd.
    • Takuya Shimamura
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug
    • Patent number 8,476,817
    • Issue date Jul 2, 2013
    • NGK Spark Plug Co., Ltd.
    • Naomichi Miyashita
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug having a ground electrode of specific alloy composition...
    • Patent number 8,410,673
    • Issue date Apr 2, 2013
    • NGK Spark Plug Co., Ltd.
    • Kazuyoshi Torii
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Spark plug
    • Patent number 8,378,560
    • Issue date Feb 19, 2013
    • NGK Spark Plug Co., Ltd.
    • Akira Suzuki
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Spark plug for internal combustion engine
    • Patent number 8,344,604
    • Issue date Jan 1, 2013
    • NGK Spark Plug Co., Ltd.
    • Kazuyoshi Torii
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug and weld metal zone
    • Patent number 8,294,344
    • Issue date Oct 23, 2012
    • NGK Spark Plug Co., Ltd.
    • Kazuyoshi Torii
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug and process for producing the spark plug
    • Patent number 8,106,572
    • Issue date Jan 31, 2012
    • NGK Spark Plug Co., Ltd.
    • Tomoo Tanaka
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Spark plug
    • Patent number 8,044,562
    • Issue date Oct 25, 2011
    • NGK Spark Plug Co., Ltd.
    • Mamoru Musasa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug with nickel alloy electrode base material
    • Patent number 6,724,133
    • Issue date Apr 20, 2004
    • NGK Spark Plug Co., Ltd.
    • Naomichi Miyashita
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug with a corrosion impeding layer
    • Patent number 6,472,801
    • Issue date Oct 29, 2002
    • NGK Spark Plug Co., Ltd.
    • Yoshihiro Matsubara
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    SPARK PLUG AND ASSEMBLING STRUCTURE THEREOF
    • Publication number 20140042894
    • Publication date Feb 13, 2014
    • NGK SPARK PLUG CO., LTD.
    • Naomichi Miyashita
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20130169141
    • Publication date Jul 4, 2013
    • NGK SPARK PLUG CO., LTD.
    • Hirotoshi Yoshizaki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20130015756
    • Publication date Jan 17, 2013
    • Yuichi Yamada
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20120267995
    • Publication date Oct 25, 2012
    • NGK SPARK PLUG CO., LTD.
    • Takuya Shimamura
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20120062099
    • Publication date Mar 15, 2012
    • Naomichi Miyashita
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    SPARK PLUG
    • Publication number 20110294369
    • Publication date Dec 1, 2011
    • NGK Spark Plug Co., Ltd.
    • Naomichi Miyashita
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20110163653
    • Publication date Jul 7, 2011
    • NGK Spark Plug Co., Ltd.
    • Kazuyoshi Torii
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    SPARK PLUG
    • Publication number 20110025185
    • Publication date Feb 3, 2011
    • NGK SPARK PLUG CO., LTD.
    • Kazuyoshi Torii
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG AND PROCESS FOR PRODUCING THE SPARK PLUG
    • Publication number 20100264801
    • Publication date Oct 21, 2010
    • Tomoo Tanaka
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    SPARK PLUG
    • Publication number 20100264796
    • Publication date Oct 21, 2010
    • NGK SPARK PLUG CO., LTD.
    • Mamoru Musasa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG AND PROCESS FOR PRODUCING THE SPARK PLUG
    • Publication number 20100264802
    • Publication date Oct 21, 2010
    • Tomoo Tanaka
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    SPARK PLUG
    • Publication number 20100253203
    • Publication date Oct 7, 2010
    • NGK Spark Plug Co., Ltd.
    • Akira Suzuki
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    SPARK PLUG FOR INTERNAL COMBUSTION ENGINE
    • Publication number 20100242888
    • Publication date Sep 30, 2010
    • NGK Spark Plug Co., Ltd.
    • Kazuyoshi Torii
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    GASKET AND AUTOMOTIVE COMPONENT
    • Publication number 20090085304
    • Publication date Apr 2, 2009
    • NGK SPARK PLUG CO., LTD.
    • Naomichi Miyashita
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Spark plug
    • Publication number 20020079800
    • Publication date Jun 27, 2002
    • NGK SPARK PLUG CO., LTD.
    • Naomichi Miyashita
    • H01 - BASIC ELECTRIC ELEMENTS