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Sumio Ohta

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  • Aichi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Wiring substrate
    • Patent number 7,102,085
    • Issue date Sep 5, 2006
    • NGK Spark Plug Co., Ltd.
    • Sumio Ohta
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Wiring board and method of producing wiring board
    • Patent number 6,689,641
    • Issue date Feb 10, 2004
    • NGK Spark Plug Co., Ltd.
    • Sumio Ohta
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    Wiring substrate
    • Publication number 20020145197
    • Publication date Oct 10, 2002
    • NGK SPARK PLUG CO., LTD.
    • Sumio Ohta
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Wiring board and method of producing wiring board
    • Publication number 20020066595
    • Publication date Jun 6, 2002
    • NGK SPARK PLUG CO., LTD.
    • Sumio Ohta
    • H01 - BASIC ELECTRIC ELEMENTS