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Yoshihiro Matsubara

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  • Nagoya-shi, Aichi, JP
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    Spark plug for internal combustion engine
    • Publication number 20070228916
    • Publication date Oct 4, 2007
    • NGK SPARK PLUG CO., LTD.
    • Iwao Kunitomo
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Spark plug
    • Publication number 20070126330
    • Publication date Jun 7, 2007
    • NGK Spark Plug Co., Ltd.
    • Hiroaki Kuki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Spark plug
    • Publication number 20060152129
    • Publication date Jul 13, 2006
    • NGK SPARK PLUG CO., LTD.
    • Osamu Yoshimoto
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Spark plug
    • Publication number 20060061250
    • Publication date Mar 23, 2006
    • Osamu Yoshimoto
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    Spark plug
    • Publication number 20060043855
    • Publication date Mar 2, 2006
    • Kenji Nunome
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    Spark plug
    • Publication number 20060043856
    • Publication date Mar 2, 2006
    • NGK SPARK PLUG CO., LTD.
    • Wataru Matsutani
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Noble metal electric discharge chip manufacturing method and spark...
    • Publication number 20040266306
    • Publication date Dec 30, 2004
    • NGK SPARK PLUG CO., LTD.
    • Wataru Matsutani
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Spark plug for use in internal combustion engine
    • Publication number 20040080252
    • Publication date Apr 29, 2004
    • NGK SPARK PLUG CO., LTD.
    • Satoko Ito
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Method of making a spark plug
    • Publication number 20030181121
    • Publication date Sep 25, 2003
    • NGK SPARK PLUG CO., LTD.
    • Yoshihiro Matsubara
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    IGNITION SYSTEM
    • Publication number 20020167225
    • Publication date Nov 14, 2002
    • YOSHIHIRO MATSUBARA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Spark plug
    • Publication number 20020079800
    • Publication date Jun 27, 2002
    • NGK SPARK PLUG CO., LTD.
    • Naomichi Miyashita
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Apparatus and method for controlling ignition of an internal combus...
    • Publication number 20020043255
    • Publication date Apr 18, 2002
    • NGK SPARK PLUG CO., LTD.
    • Hiroyuki Kameda
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Ignition system for internal combustion engine
    • Publication number 20010017125
    • Publication date Aug 30, 2001
    • Yoshihiro Matsubara
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS