TREA

Nobuo Kawashima

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vacuum circuit breaker
    • Patent number 4,367,382
    • Issue date Jan 4, 1983
    • Tokyo Shibaura Denki Kabushiki Kaisha
    • Hideo Suzuki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Vacuum switch
    • Patent number 4,234,771
    • Issue date Nov 18, 1980
    • Tokyo Shibaura Denki Kabushiki Kaisha
    • Mikio Ohkawa
    • H01 - BASIC ELECTRIC ELEMENTS