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Keiji Ozeki

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  • Konan-City, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Spark plug
    • Patent number 11,476,644
    • Issue date Oct 18, 2022
    • NGK Spark Plug Co., Ltd.
    • Shunsuke Tsuga
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug
    • Patent number 10,256,610
    • Issue date Apr 9, 2019
    • NGK Spark Plug Co., Ltd.
    • Keiji Ozeki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug
    • Patent number 10,027,093
    • Issue date Jul 17, 2018
    • NGK Spark Plug Co., Ltd.
    • Tsutomu Kobayashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Method for manufacturing spark plug
    • Patent number 10,008,834
    • Issue date Jun 26, 2018
    • NGK Spark Plug Co., Ltd.
    • Junji Kimura
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug having an electrode structure that effectively suppresse...
    • Patent number 9,660,423
    • Issue date May 23, 2017
    • NGK Spark Plug Co., Ltd.
    • Keiji Ozeki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug
    • Patent number 9,620,935
    • Issue date Apr 11, 2017
    • NGK Spark Plug Co., Ltd.
    • Tsutomu Kobayashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Method for manufacturing spark plug
    • Patent number 9,496,687
    • Issue date Nov 15, 2016
    • NGK Spark Plug Co., Ltd.
    • Jiro Kyuno
    • 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
    • Patent number 9,225,150
    • Issue date Dec 29, 2015
    • NGK Spark Plug Co., Ltd.
    • Masahiro Nishida
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Method and device for manufacturing spark plug
    • Patent number 8,939,808
    • Issue date Jan 27, 2015
    • NGK Spark Plug Co., Ltd.
    • Jiro Kyuno
    • 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 20220077661
    • Publication date Mar 10, 2022
    • NGK Spark Plug Co., Ltd.
    • Shunsuke TSUGA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20180366917
    • Publication date Dec 20, 2018
    • NGK Spark Plug Co., Ltd.
    • Keiji OZEKI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20180123323
    • Publication date May 3, 2018
    • NGK Spark Plug Co., Ltd.
    • Tsutomu KOBAYASHI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    METHOD FOR MANUFACTURING SPARK PLUG
    • Publication number 20170025823
    • Publication date Jan 26, 2017
    • NGK SPARK PLUG CO., LTD.
    • Junji KIMURA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20160329688
    • Publication date Nov 10, 2016
    • NGK Spark Plug Co., Ltd.
    • Keiji OZEKI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20160218487
    • Publication date Jul 28, 2016
    • NGK Spark Plug Co., Ltd.
    • Tsutomu KOBAYASHI
    • 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 20150188294
    • Publication date Jul 2, 2015
    • NGK Spark Plug Co., Ltd.
    • Masahiro Nishida
    • 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
  • Information Patent Application

    METHOD FOR MANUFACTURING SPARK PLUG
    • Publication number 20140065915
    • Publication date Mar 6, 2014
    • NGK Spark Plug Co., Ltd.
    • Jiro Kyuno
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    METHOD AND DEVICE FOR MANUFACTURING SPARK PLUG
    • Publication number 20130225029
    • Publication date Aug 29, 2013
    • NGK SPARK PLUG CO., LTD.
    • Jiro Kyuno
    • H01 - BASIC ELECTRIC ELEMENTS