TREA

Mitsumasa Yorita

Follow

Person

  • Itami, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Vacuum interrupter
    • Patent number 5,646,386
    • Issue date Jul 8, 1997
    • Mitsubishi Denki Kabushiki Kaisha
    • Mitsumasa Yorita
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Vacuum interrupter
    • Patent number 5,597,993
    • Issue date Jan 28, 1997
    • Mitsubishi Denki Kabushiki Kaisha
    • Mitsumasa Yorita
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Vacuum interrupter
    • Patent number 5,495,085
    • Issue date Feb 27, 1996
    • Mitsubishi Denki Kabushiki Kaisha
    • Mitsumasa Yorita
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Vacuum switch tube including windmill electrodes
    • Patent number 5,293,506
    • Issue date Mar 8, 1994
    • Mitsubishi Denki Kabushiki Kaisha
    • Mitsumasa Yorita
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    High voltage vacuum insulating container
    • Patent number 5,118,911
    • Issue date Jun 2, 1992
    • Mitsubishi Denki Kabushiki Kaisha
    • Mitsumasa Yorita
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrode for a vacuum breaker
    • Patent number 5,103,069
    • Issue date Apr 7, 1992
    • Mitsubishi Denki Kabushiki Kaisha
    • Mitsumasa Yorita
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Vacuum circuit interrupter
    • Patent number 4,760,222
    • Issue date Jul 26, 1988
    • Mitsubishi Denki Kabushiki Kaisha
    • Mitsumasa Yorita
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Vacuum circuit interrupter
    • Patent number 4,740,662
    • Issue date Apr 26, 1988
    • Mitsubishi Denki Kabushiki Kaisha
    • Mitsumasa Yorita
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Bellows device
    • Patent number 4,585,913
    • Issue date Apr 29, 1986
    • Mitsubishi Denki Kabushiki Kaisha
    • Mitsumasa Yorita
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Contact material for vacuum circuit interrupter
    • Patent number 4,540,861
    • Issue date Sep 10, 1985
    • Mitsubishi Denki Kabushiki Kaisha
    • Mitsuhiro Okumura
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • 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

    Vacuum circuit interrupter
    • Patent number 4,473,731
    • Issue date Sep 25, 1984
    • Mitsubishi Denki Kabushiki Kaisha
    • Mitsumasa Yorita
    • H01 - BASIC ELECTRIC ELEMENTS