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Nobuaki SAKAYANAGI

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Patents Grantslast 30 patents

  • Information Patent Grant

    Laser welding device, laser welding method, and battery casing
    • Patent number 10,052,719
    • Issue date Aug 21, 2018
    • Primearth EV Energy Co., Ltd.
    • Shigeki Saito
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Spark plug
    • Patent number 9,252,569
    • Issue date Feb 2, 2016
    • NGK Spark Plug Co., Ltd.
    • Nobuaki Sakayanagi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug and method of manufacturing the same
    • Patent number 9,065,255
    • Issue date Jun 23, 2015
    • NGK Spark Plug Co., Ltd.
    • Nobuaki Sakayanagi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug with improved resistance to spark-induced erosion of the...
    • Patent number 8,841,827
    • Issue date Sep 23, 2014
    • NGK Spark Plug Co., Ltd.
    • Nobuaki Sakayanagi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug
    • Patent number 8,810,118
    • Issue date Aug 19, 2014
    • NGK Spark Plug Co., Ltd.
    • Nobuaki Sakayanagi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug
    • Patent number 8,624,473
    • Issue date Jan 7, 2014
    • NGK Spark Plug Co., Ltd.
    • Katsutoshi Nakayama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Method of manufacturing sparkplugs
    • Patent number 8,506,341
    • Issue date Aug 13, 2013
    • NGK Spark Plug Co., Ltd.
    • Katsutoshi Nakayama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug and method of manufacturing the same
    • Patent number 8,487,520
    • Issue date Jul 16, 2013
    • NGK Spark Plug Co., Ltd.
    • Nobuaki Sakayanagi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug
    • Patent number 8,354,782
    • Issue date Jan 15, 2013
    • NGK Spark Plug Co., Ltd.
    • Nobuaki Sakayanagi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug
    • Patent number 8,264,131
    • Issue date Sep 11, 2012
    • NGK Spark Plug Co., Ltd.
    • Nobuaki Sakayanagi
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Spark plug and its manufacturing method
    • Patent number 8,212,463
    • Issue date Jul 3, 2012
    • NGK Spark Plug Co., Ltd.
    • Nobuaki Sakayanagi
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    LASER WELDING DEVICE, LASER WELDING METHOD, AND BATTERY CASING
    • Publication number 20160361782
    • Publication date Dec 15, 2016
    • PRIMEARTH EV ENERGY CO., LTD.
    • Shigeki SAITO
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    SPARK PLUG
    • Publication number 20150288149
    • Publication date Oct 8, 2015
    • NGK Spark Plug Co., Ltd.
    • Nobuaki Sakayanagi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20130293087
    • Publication date Nov 7, 2013
    • Nobuaki SAKAYANAGI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG AND METHOD OF MANUFACTURING THE SAME
    • Publication number 20130278133
    • Publication date Oct 24, 2013
    • NGK Spark Plug Co., Ltd.
    • Nobuaki Sakayanagi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20130200773
    • Publication date Aug 8, 2013
    • NGK Spark Plug Co., Ltd.
    • Nobuaki Sakayanagi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20120025691
    • Publication date Feb 2, 2012
    • NGK Spark Plug Co., Ltd.
    • Nobuaki Sakayanagi
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20120019120
    • Publication date Jan 26, 2012
    • Katsutoshi Nakayama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    METHOD OF MANUFACTURING SPARKPLUGS
    • Publication number 20120015578
    • Publication date Jan 19, 2012
    • Katsutoshi Nakayama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG AND ITS MANUFACTURING METHOD
    • Publication number 20120001533
    • Publication date Jan 5, 2012
    • NGK Spark Plug Co., Ltd.
    • Nobuaki Sakayanagi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20110148276
    • Publication date Jun 23, 2011
    • NGK Spark Plug Co., Ltd.
    • Nobuaki Sakayanagi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG AND METHOD OF MANUFACTURING THE SAME
    • Publication number 20110133625
    • Publication date Jun 9, 2011
    • NGK SPARK PLUG CO., LTD.
    • Nobuaki SAKAYANAGI
    • H01 - BASIC ELECTRIC ELEMENTS