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Seiji NAKANO

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Patents Grantslast 30 patents

  • Information Patent Grant

    Spark plug
    • Patent number 11,695,257
    • Issue date Jul 4, 2023
    • NGK Spark Plug Co., Ltd.
    • Seiji Nakano
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug
    • Patent number 11,652,335
    • Issue date May 16, 2023
    • NGK Spark Plug Co., Ltd.
    • Seiji Nakano
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Ignition plug
    • Patent number 11,005,237
    • Issue date May 11, 2021
    • NGK Spark Plug Co., Ltd.
    • Seiji Nakano
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug
    • Patent number 10,424,901
    • Issue date Sep 24, 2019
    • NGK Spark Plug Co., Ltd.
    • Jumpei Isasa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug
    • Patent number 10,084,288
    • Issue date Sep 25, 2018
    • NGK Spark Plug Co., Ltd.
    • Hironori Uegaki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug
    • Patent number 9,871,352
    • Issue date Jan 16, 2018
    • NGK Spark Plug Co., Ltd.
    • Seiji Nakano
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    SPARK PLUG
    • Publication number 20230155354
    • Publication date May 18, 2023
    • NGK Spark Plug Co., Ltd.
    • Seiji NAKANO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20220360052
    • Publication date Nov 10, 2022
    • NGK Spark Plug Co., Ltd.
    • Seiji NAKANO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    IGNITION PLUG
    • Publication number 20200403386
    • Publication date Dec 24, 2020
    • NGK SPARK PLUG CO., LTD.
    • Seiji NAKANO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20190131776
    • Publication date May 2, 2019
    • NGK Spark Plug Co., Ltd.
    • Jumpei ISASA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20180183216
    • Publication date Jun 28, 2018
    • NGK SPARK PLUG CO., LTD.
    • Hironori UEGAKI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20170222405
    • Publication date Aug 3, 2017
    • NGK Spark Plug Co., Ltd.
    • Seiji NAKANO
    • H01 - BASIC ELECTRIC ELEMENTS