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Tomoki Kawai

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Patents Grantslast 30 patents

  • Information Patent Grant

    Spark plug
    • Patent number 10,784,654
    • Issue date Sep 22, 2020
    • NGK Spark Plug Co., Ltd.
    • Tomoki Kawai
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Ignition plug
    • Patent number 10,128,638
    • Issue date Nov 13, 2018
    • NGK Spark Plug Co., Ltd.
    • Tomoki Kawai
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug
    • Patent number 9,917,425
    • Issue date Mar 13, 2018
    • NGK Spark Plug Co., Ltd.
    • Takafumi Umemura
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug capable of restraining lateral sparking
    • Patent number 9,876,332
    • Issue date Jan 23, 2018
    • NGK Spark Plug Co., Ltd.
    • Tomoki Kawai
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Method for producing spark plug
    • Patent number 9,825,435
    • Issue date Nov 21, 2017
    • NGK Spark Plug Co., Ltd.
    • Tomoki Kawai
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug and method of manufacturing the same
    • Patent number 8,860,292
    • Issue date Oct 14, 2014
    • NGK Spark Plug Co., Ltd.
    • Tomoki Kawai
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    SPARK PLUG
    • Publication number 20190386466
    • Publication date Dec 19, 2019
    • NGK SPARK PLUG CO., LTD.
    • Tomoki Kawai
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    IGNITION PLUG
    • Publication number 20180331506
    • Publication date Nov 15, 2018
    • NGK SPARK PLUG CO., LTD.
    • Tomoki KAWAI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20180054044
    • Publication date Feb 22, 2018
    • NGK SPARK PLUG CO., LTD.
    • Takafumi UMEMURA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG CAPABLE OF RESTRAINING LATERAL SPARKING
    • Publication number 20170346259
    • Publication date Nov 30, 2017
    • NGK Spark Plug Co., Ltd.
    • Tomoki KAWAI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    METHOD FOR PRODUCING SPARK PLUG
    • Publication number 20160344167
    • Publication date Nov 24, 2016
    • NGK SPARK PLUG CO., LTD.
    • Tomoki KAWAI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG AND METHOD OF MANUFACTURING THE SAME
    • Publication number 20140225496
    • Publication date Aug 14, 2014
    • NGK SPARK PLUG CO., LTD.
    • Tomoki Kawai
    • H01 - BASIC ELECTRIC ELEMENTS