TREA

Hiroaki Tosaka

Follow

Person

  • Saitama, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Make-and-break mechanism for circuit breaker
    • Patent number 6,229,414
    • Issue date May 8, 2001
    • Fuji Electric Co., Ltd.
    • Kentaro Toyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Switching mechanism for circuit breaker
    • Patent number 5,990,434
    • Issue date Nov 23, 1999
    • Fuji Electric Co., Ltd.
    • Takumi Fujihira
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Circuit breaker
    • Patent number 5,901,025
    • Issue date May 4, 1999
    • Fuji Electric Co., Ltd.
    • Tatsunori Takahashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Circuit breaker
    • Patent number 5,886,606
    • Issue date Mar 23, 1999
    • Fuji Electric Co., Ltd.
    • Hiroaki Tosaka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Overcurrent trip device
    • Patent number 5,825,602
    • Issue date Oct 20, 1998
    • Fuji Electric Co., Ltd.
    • Hiroaki Tosaka
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER