TREA

Youichi Aoyama

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Circuit breaker
    • Patent number 5,151,671
    • Issue date Sep 29, 1992
    • Matsushita Electric Works, Ltd.
    • Akihiko Hirao
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electromagnetic contactor
    • Patent number 4,947,146
    • Issue date Aug 7, 1990
    • Matsushita Electric Works, Ltd.
    • Yasuo Ichimura
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Circuit breaker
    • Patent number 4,523,164
    • Issue date Jun 11, 1985
    • Matsushita Electric Works, Ltd.
    • Youichi Aoyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Circuit breaker
    • Patent number 4,382,240
    • Issue date May 3, 1983
    • Matsushita Electric Works, Ltd.
    • Hideya Kondo
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Circuit breaker
    • Patent number 4,370,634
    • Issue date Jan 25, 1983
    • Matsushita Electric Works, Ltd.
    • Hideya Kondo
    • H01 - BASIC ELECTRIC ELEMENTS