TREA

Yuji Mihara

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Roller contact device
    • Patent number 5,396,036
    • Issue date Mar 7, 1995
    • Mitsubishi Denki Kabushiki Kaisha
    • Kazuo Yoshida
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Contact switching device
    • Patent number 4,472,615
    • Issue date Sep 18, 1984
    • Mitsubishi Denki Kabushiki Kaisha
    • Katsuaki Itoh
    • H01 - BASIC ELECTRIC ELEMENTS