TREA

Takashi Yamanaka

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  • Itami, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Plasma display panel and a process for producing the same
    • Patent number 5,207,607
    • Issue date May 4, 1993
    • Mitsubishi Denki Kabushiki Kaisha
    • Shinichirou Nagano
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Thermal head
    • Patent number 4,827,289
    • Issue date May 2, 1989
    • Mitsubishi Denki Kabushiki Kaisha
    • Shiro Tsuji
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Electrode composition for vacuum switch
    • Patent number 4,537,743
    • Issue date Aug 27, 1985
    • Mitsubishi Denki Kabushiki Kaisha
    • Takashi Yamanaka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrode composition for vacuum switch
    • Patent number 4,499,009
    • Issue date Feb 12, 1985
    • Mitsubishi Denki Kabushiki Kaisha
    • Takashi Yamanaka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Contactor for vacuum type circuit interrupter
    • Patent number 4,424,429
    • Issue date Jan 3, 1984
    • Mitsubishi Denki Kabushiki Kaisha
    • Takashi Yamanaka
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Vacuum type circuit breaker
    • Patent number 4,419,553
    • Issue date Dec 6, 1983
    • Mitsubishi Denki Kabushiki Kaisha
    • Masayuki Ohshita
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Vacuum interrupter
    • Patent number 4,415,787
    • Issue date Nov 15, 1983
    • Mitsubishi Denki Kabushiki Kaisha
    • Takashi Yamanaka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Operation mechanism of switch
    • Patent number 4,167,659
    • Issue date Sep 11, 1979
    • Mitsubishi Denki Kabushiki Kaisha
    • Takashi Yamanaka
    • H01 - BASIC ELECTRIC ELEMENTS