Hirotoshi Yoshizaki

Person

  • Nagoya-shi, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Spark plug with an improved separation resistance of a noble metal tip

    • Patent number 9,083,155
    • Issue date Jul 14, 2015
    • NGK Spark Plug Co., Ltd.
    • Hirotoshi Yoshizaki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug

    • Patent number 8,766,521
    • Issue date Jul 1, 2014
    • NGK Spark Plug Co., Ltd.
    • Hirotoshi Yoshizaki
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    FLAT PLATE TYPE FUEL CELL

    • Publication number 20190051919
    • Publication date Feb 14, 2019
    • NGK Spark Plug Co., Ltd.
    • Hirotoshi YOSHIZAKI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    FLAT PLATE TYPE FUEL CELL

    • Publication number 20190036146
    • Publication date Jan 31, 2019
    • NGK Spark Plug Co., Ltd.
    • Hirotoshi YOSHIZAKI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    INTAKE SENSOR

    • Publication number 20170226972
    • Publication date Aug 10, 2017
    • NGK Spark Plug Co., Ltd.
    • Masao TSUZUKI
    • G01 - MEASURING TESTING
  • Information Patent Application

    SPARK PLUG

    • Publication number 20140062284
    • Publication date Mar 6, 2014
    • NGK Spark Plug Co., Ltd.
    • Hirotoshi YOSHIZAKI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG

    • Publication number 20130169141
    • Publication date Jul 4, 2013
    • NGK SPARK PLUG CO., LTD.
    • Hirotoshi Yoshizaki
    • H01 - BASIC ELECTRIC ELEMENTS