TREA

Hirotaka Ishikawa

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dual band common-mode noise line filter
    • Patent number 6,624,724
    • Issue date Sep 23, 2003
    • Matsuhita Electric Industrial Co., Ltd.
    • Hiroshi Tomita
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Line filter
    • Patent number 6,078,242
    • Issue date Jun 20, 2000
    • Matsushita Electric Industrial Co., Ltd.
    • Hiroshi Tomita
    • H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

  • Information Patent Application

    Line filter
    • Publication number 20020158713
    • Publication date Oct 31, 2002
    • Hiroshi Tomita
    • H01 - BASIC ELECTRIC ELEMENTS