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Daisuke Sumoyama

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  • Nagoya-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Spark plug
    • Patent number 10,965,104
    • Issue date Mar 30, 2021
    • NGK Spark Plug Co., Ltd.
    • Daisuke Sumoyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug
    • Patent number 10,958,045
    • Issue date Mar 23, 2021
    • NGK Spark Plug Co., Ltd.
    • Daisuke Sumoyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug
    • Patent number 10,498,110
    • Issue date Dec 3, 2019
    • NGK Spark Plug Co., Ltd.
    • Daisuke Sumoyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug and manufacturing method therefor
    • Patent number 10,447,014
    • Issue date Oct 15, 2019
    • NGK Spark Plug Co., Ltd.
    • Takaaki Kikai
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Spark plug
    • Patent number 10,312,669
    • Issue date Jun 4, 2019
    • NGK Spark Plug Co., Ltd.
    • Daisuke Sumoyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrode tip for spark plug, and spark plug
    • Patent number 10,186,845
    • Issue date Jan 22, 2019
    • NGK Spark Plug Co., Ltd.
    • Daisuke Sumoyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug
    • Patent number 10,153,621
    • Issue date Dec 11, 2018
    • NGK Spark Plug Co., Ltd.
    • Daisuke Sumoyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug
    • Patent number 10,033,163
    • Issue date Jul 24, 2018
    • NGK Spark Plug Co., Ltd.
    • Daisuke Sumoyama
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Spark plug
    • Patent number 9,948,069
    • Issue date Apr 17, 2018
    • NGK Spark Plug Co., Ltd.
    • Masayuki Segawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug
    • Patent number 9,948,068
    • Issue date Apr 17, 2018
    • NGK Spark Plug Co., Ltd.
    • Daisuke Sumoyama
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Spark plug
    • Patent number 9,887,519
    • Issue date Feb 6, 2018
    • NGK Spark Plug Co., Ltd.
    • Kazuki Ito
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug
    • Patent number 9,853,423
    • Issue date Dec 26, 2017
    • NGK Spark Plug Co., Ltd.
    • Daisuke Sumoyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug and method for producing the same
    • Patent number 9,705,292
    • Issue date Jul 11, 2017
    • NGK Spark Plug Co., Ltd.
    • Tatsuya Gozawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug
    • Patent number 9,627,857
    • Issue date Apr 18, 2017
    • NGK Spark Plug Co., Ltd.
    • Daisuke Sumoyama
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Spark plug
    • Patent number 9,548,593
    • Issue date Jan 17, 2017
    • NGK Spark Plug Co., Ltd.
    • Tomonori Kanemaru
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug
    • Patent number 9,197,036
    • Issue date Nov 24, 2015
    • NGK Spark Plug Co., Ltd.
    • Daisuke Sumoyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug
    • Patent number 8,878,424
    • Issue date Nov 4, 2014
    • NGK Spark Plug Co., Ltd.
    • Daisuke Sumoyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug
    • Patent number 8,810,120
    • Issue date Aug 19, 2014
    • NGK Spark Plug Co., Ltd.
    • Daisuke Sumoyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug
    • Patent number 8,618,725
    • Issue date Dec 31, 2013
    • NGK Spark Plug Co., Ltd.
    • Daisuke Sumoyama
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Spark plug
    • Patent number 8,415,867
    • Issue date Apr 9, 2013
    • NGK Spark Plug Co., Ltd.
    • Tomoo Tanaka
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    SPARK PLUG
    • Publication number 20240291244
    • Publication date Aug 29, 2024
    • Niterra Co., Ltd.
    • Kaito NAKAMURA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20210036492
    • Publication date Feb 4, 2021
    • NGK Spark Plug Co., Ltd.
    • Daisuke SUMOYAMA
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    SPARK PLUG
    • Publication number 20210036493
    • Publication date Feb 4, 2021
    • NGK Spark Plug Co., Ltd.
    • Daisuke SUMOYAMA
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    SPARK PLUG AND MANUFACTURING METHOD THEREFOR
    • Publication number 20190296526
    • Publication date Sep 26, 2019
    • NGK SPARK PLUG CO., LTD.
    • Takaaki KIKAI
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    SPARK PLUG
    • Publication number 20190288487
    • Publication date Sep 19, 2019
    • NGK SPARK PLUG CO., LTD.
    • Daisuke SUMOYAMA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20180366918
    • Publication date Dec 20, 2018
    • NGK Spark Plug Co., Ltd.
    • Daisuke SUMOYAMA
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    SPARK PLUG
    • Publication number 20180166863
    • Publication date Jun 14, 2018
    • NGK Spark Plug Co., Ltd.
    • Daisuke SUMOYAMA
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    SPARK PLUG
    • Publication number 20180019581
    • Publication date Jan 18, 2018
    • NGK SPARK PLUG CO., LTD.
    • Daisuke SUMOYAMA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20180019580
    • Publication date Jan 18, 2018
    • NGK SPARK PLUG CO., LTD.
    • Kazuki ITO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ELECTRODE TIP FOR SPARK PLUG, AND SPARK PLUG
    • Publication number 20170187170
    • Publication date Jun 29, 2017
    • NGK Spark Plug Co., Ltd.
    • Daisuke SUMOYAMA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG AND METHOD FOR PRODUCING THE SAME
    • Publication number 20170063048
    • Publication date Mar 2, 2017
    • NGK SPARK PLUG CO., LTD.
    • Tatsuya GOZAWA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20170054274
    • Publication date Feb 23, 2017
    • NGK Spark Plug Co., Ltd.
    • Daisuke SUMOYAMA
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    SPARK PLUG
    • Publication number 20170033539
    • Publication date Feb 2, 2017
    • NGK Spark Plug Co., Ltd.
    • Masayuki SEGAWA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20160294164
    • Publication date Oct 6, 2016
    • NGK Spark Plug Co., Ltd.
    • Daisuke SUMOYAMA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20160276811
    • Publication date Sep 22, 2016
    • NGK Spark Plug Co., Ltd.
    • Tomonori KANEMARU
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20140159564
    • Publication date Jun 12, 2014
    • NGK SPARK PLUG CO., LTD.
    • Daisuke Sumoyama
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20140097739
    • Publication date Apr 10, 2014
    • NGK SPARK PLUG CO., LTD.
    • Daisuke SUMOYAMA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20130069516
    • Publication date Mar 21, 2013
    • Daisuke Sumoyama
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    SPARK PLUG
    • Publication number 20130026903
    • Publication date Jan 31, 2013
    • NGK Spark Plug Co., Ltd.
    • Tsutomu Shibata
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    SPARK PLUG
    • Publication number 20120217864
    • Publication date Aug 30, 2012
    • NGK SPARK PLUG CO., LTD.
    • Daisuke Sumoyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20110285270
    • Publication date Nov 24, 2011
    • NGK SPARK PLUG CO., LTD.
    • Tomoo Tanaka
    • H01 - BASIC ELECTRIC ELEMENTS