TREA

Iwao Ohshima

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  • Kanagawa-ken, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vacuum switch
    • Patent number 6,476,338
    • Issue date Nov 5, 2002
    • Kabushiki Kaisha Toshiba
    • Tetsu Shioiri
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Vacuum interrupter and vacuum switch thereof
    • Patent number 6,346,683
    • Issue date Feb 12, 2002
    • Kabushiki Kaisha Toshiba
    • Tsutomu Okutomi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Contact material
    • Patent number 6,210,809
    • Issue date Apr 3, 2001
    • Kabushiki Kaisha Toshiba
    • Tsutomu Okutomi
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    Vacuum switch
    • Publication number 20010035397
    • Publication date Nov 1, 2001
    • Tetsu Shioiri
    • H01 - BASIC ELECTRIC ELEMENTS