TREA

Makoto Unuma

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  • Kanagawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Switching mechanism in circuit breaker
    • Patent number 5,082,996
    • Issue date Jan 21, 1992
    • Fuji Electric Co., Ltd.
    • Tatsunori Takahashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Circuit breaker
    • Patent number 5,023,416
    • Issue date Jun 11, 1991
    • Fuji Electric Co., Ltd.
    • Jun Oyama
    • H01 - BASIC ELECTRIC ELEMENTS