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Naoyuki Mukoyama

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Patents Grantslast 30 patents

  • Information Patent Grant

    Spark plug
    • Patent number 10,153,618
    • Issue date Dec 11, 2018
    • NGK Spark Plug Co., Ltd.
    • Naoyuki Mukoyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug
    • Patent number 10,090,648
    • Issue date Oct 2, 2018
    • NGK Spark Plug Co., Ltd.
    • Hirotaka Saito
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Plasma jet plug
    • Patent number 9,979,162
    • Issue date May 22, 2018
    • NGK Spark Plug Co., Ltd.
    • Daisuke Kasahara
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Plasma jet spark plug
    • Patent number 9,478,947
    • Issue date Oct 25, 2016
    • NGK Spark Plug Co., Ltd.
    • Naoyuki Mukoyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug
    • Patent number 9,306,375
    • Issue date Apr 5, 2016
    • NGK Spark Plug Co., Ltd.
    • Keiji Ozeki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug, and production method therefor
    • Patent number 9,276,383
    • Issue date Mar 1, 2016
    • NGK Spark Plug Co., Ltd.
    • Keiji Ozeki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug configured to reduce the occurance of flashover
    • Patent number 8,791,627
    • Issue date Jul 29, 2014
    • NGK Spark Plug Co., Ltd.
    • Keiji Ozeki
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    SPARK PLUG
    • Publication number 20180287350
    • Publication date Oct 4, 2018
    • NGK SPARK PLUG CO., LTD.
    • Hirotaka SAITO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    PLASMA JET PLUG
    • Publication number 20180038337
    • Publication date Feb 8, 2018
    • NGK Spark Plug Co., Ltd.
    • Naoyuki MUKOYAMA
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20180019578
    • Publication date Jan 18, 2018
    • NGK SPARK PLUG CO., LTD.
    • Naoyuki MUKOYAMA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    PLASMA JET PLUG
    • Publication number 20170358905
    • Publication date Dec 14, 2017
    • NGK Spark Plug Co., Ltd.
    • Daisuke KASAHARA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    PLASMA JET SPARK PLUG
    • Publication number 20160028214
    • Publication date Jan 28, 2016
    • NGK Spark Plug Co., Ltd.
    • Naoyuki MUKOYAMA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG, AND PRODUCTION METHOD THEREFOR
    • Publication number 20150340842
    • Publication date Nov 26, 2015
    • NGK Spark Plug Co., Ltd.
    • Keiji OZEKI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20150188293
    • Publication date Jul 2, 2015
    • NGK Spark Plug Co., Ltd.
    • Keiji Ozeki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20140084776
    • Publication date Mar 27, 2014
    • NGK SPARK PLUG CO., LTD.
    • Keiji Ozeki
    • H01 - BASIC ELECTRIC ELEMENTS