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Tsutomu KOBAYASHI

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  • Aichi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Spark plug
    • Patent number 10,541,516
    • Issue date Jan 21, 2020
    • NGK Spark Plug Co., Ltd.
    • Tsutomu Kobayashi
    • 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 10,250,014
    • Issue date Apr 2, 2019
    • NGK Spark Plug Co., Ltd.
    • Tsutomu Kobayashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug
    • Patent number 10,186,844
    • Issue date Jan 22, 2019
    • NGK Spark Plug Co., Ltd.
    • Tsutomu Kobayashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Method of manufacturing spark plug
    • Patent number 10,103,520
    • Issue date Oct 16, 2018
    • NGK Spark Plug Co., Ltd.
    • Tsutomu Kobayashi
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • 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

    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

    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 9,276,384
    • Issue date Mar 1, 2016
    • NGK Spark Plug Co., Ltd.
    • Tsutomu Kobayashi
    • 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

Patents Applicationslast 30 patents

  • Information Patent Application

    SPARK PLUG
    • Publication number 20190252864
    • Publication date Aug 15, 2019
    • NGK SPARK PLUG CO., LTD.
    • Tsutomu KOBAYASHI
    • 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 20180351332
    • Publication date Dec 6, 2018
    • NGK Spark Plug Co., Ltd.
    • Tsutomu KOBAYASHI
    • 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

    SPARK PLUG
    • Publication number 20170033538
    • Publication date Feb 2, 2017
    • NGK SPARK PLUG CO., LTD.
    • Tsutomu KOBAYASHI
    • 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 20150295388
    • Publication date Oct 15, 2015
    • NGK Spark Plug Co., Ltd.
    • Tsutomu KOBAYASHI
    • 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