TREA

Kyouichi Ohtsuka

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Control device for make break switch
    • Patent number 6,563,067
    • Issue date May 13, 2003
    • Mitsubishi Denki Kabushiki Kaisha
    • Kyouichi Ohtsuka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Control device for breaker
    • Patent number 6,348,847
    • Issue date Feb 19, 2002
    • Mitsubishi Denki Kabushiki Kaisha
    • Nobuya Nakajima
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Device for controlling a breaker
    • Patent number 6,316,739
    • Issue date Nov 13, 2001
    • Mitsubishi Denki Kabushiki Kaisha
    • Kyouichi Ohtsuka
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents