TREA

Haruo Ichikawa

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Patents Grantslast 30 patents

  • Information Patent Grant

    Thermal overload relay
    • Patent number 4,908,594
    • Issue date Mar 13, 1990
    • Fuji Electric Co., Ltd.
    • Katsumi Akiike
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Polarized electromagnet device
    • Patent number 4,730,175
    • Issue date Mar 8, 1988
    • Fuji Electric Co., Ltd.
    • Haruo Ichikawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Thermal type overload relay
    • Patent number 4,670,728
    • Issue date Jun 2, 1987
    • Fuji Electric Co., Ltd.
    • Katsumi Akiike
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Adjusting device for thermal overload relay
    • Patent number 4,642,598
    • Issue date Feb 10, 1987
    • Fuji Electric Co., Ltd.
    • Haruo Ichikawa
    • H01 - BASIC ELECTRIC ELEMENTS