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Yuichi Matsunaga

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  • Aichi-ken, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Spark plug
    • Patent number 9,837,798
    • Issue date Dec 5, 2017
    • NGK Spark Plug Co., Ltd.
    • Yuichi Yamada
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug
    • Patent number 9,525,270
    • Issue date Dec 20, 2016
    • NGK Spark Plug Co., Ltd.
    • Yuichi Matsunaga
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug and method of manufacturing spark plug
    • Patent number 9,093,823
    • Issue date Jul 28, 2015
    • NGK Spark Plug Co., Ltd.
    • Yasushi Sakakura
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug and production method therefor
    • Patent number 8,981,633
    • Issue date Mar 17, 2015
    • NGK Spark Plug Co., Ltd.
    • Yasushi Sakakura
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Ignition plug
    • Patent number 8,878,426
    • Issue date Nov 4, 2014
    • NGK Spark Plug Co., Ltd.
    • Yasushi Sakakura
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    SPARK PLUG
    • Publication number 20170331259
    • Publication date Nov 16, 2017
    • NGK SPARK PLUG CO., LTD.
    • Yuichi YAMADA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20160141840
    • Publication date May 19, 2016
    • NGK Spark Plug Co., Ltd.
    • Yuichi MATSUNAGA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    IGNITION PLUG
    • Publication number 20140239798
    • Publication date Aug 28, 2014
    • NGK SPARK PLUG CO., LTD.
    • Yasushi Sakakura
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG AND PRODUCTION METHOD THEREFOR
    • Publication number 20140015398
    • Publication date Jan 16, 2014
    • NGK SPARK PLUG CO., LTD.
    • Yasushi Sakakura
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    SPARK PLUG AND METHOD OF MANUFACTURING SPARK PLUG
    • Publication number 20120299459
    • Publication date Nov 29, 2012
    • Yasushi Sakakura
    • H01 - BASIC ELECTRIC ELEMENTS