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Hiroyuki Sasao

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Voltage fluctuation compensating apparatus
    • Patent number RE40528
    • Issue date Oct 7, 2008
    • Mitsubishi Denki Kabushiki Kaisha
    • Akihiko Iwata
    • 307 - Electrical transmission or interconnection systems
  • Information Patent Grant

    Voltage fluctuation compensating apparatus
    • Patent number 6,956,305
    • Issue date Oct 18, 2005
    • Mitsubishi Denki Kabushiki Kaisha
    • Akihiko Iwata
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Voltage fluctuation compensating apparatus
    • Patent number 6,812,592
    • Issue date Nov 2, 2004
    • Mitsubishi Denki Kabushiki Kaisha
    • Akihiko Iwata
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Switching apparatus
    • Patent number 6,624,374
    • Issue date Sep 23, 2003
    • Mitsubishi Denki Kabushiki Kaisha
    • Kenichi Koyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Switching apparatus
    • Patent number 6,611,413
    • Issue date Aug 26, 2003
    • Mitsubishi Denki Kabushiki Kaisha
    • Toshie Takeuchi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Switching device
    • Patent number 6,580,345
    • Issue date Jun 17, 2003
    • Mitsubishi Denki Kabushiki Kaisha
    • Hiroyuki Akita
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electromagnetic repulsion driven switch
    • Patent number 6,574,084
    • Issue date Jun 3, 2003
    • Mitsubishi Denki Kabushiki Kaisha
    • Yukimori Kishida
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Switching assembly
    • Patent number 6,353,376
    • Issue date Mar 5, 2002
    • Mitsubishi Denki Kabushiki Kaisha
    • Toshie Takeuchi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Switchgear
    • Patent number 6,295,192
    • Issue date Sep 25, 2001
    • Mitsubishi Denki Kabushiki Kaisha
    • Yukimori Kishida
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Switching apparatus
    • Patent number 6,295,191
    • Issue date Sep 25, 2001
    • Mitsubishi Denki Kabushiki Kaisha
    • Yukimori Kishida
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electric power supply system for load
    • Patent number 6,051,893
    • Issue date Apr 18, 2000
    • Mitsubishi Denki Kabushiki Kaisha
    • Hiroshi Yamamoto
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Switchgear
    • Patent number 6,046,423
    • Issue date Apr 4, 2000
    • Mitsubishi Denki Kabushiki Kaisha
    • Yukimori Kishida
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Switching device with parallel switch
    • Patent number 6,028,471
    • Issue date Feb 22, 2000
    • Mitsubishi Denki Kabushiki Kaisha
    • Kenichi Koyama
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    DC circuit breaking device
    • Patent number 5,837,953
    • Issue date Nov 17, 1998
    • Mitsubishi Denki Kabushiki Kaisha
    • Hiroki Ito
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Rectifying saturable reactor
    • Patent number 5,521,810
    • Issue date May 28, 1996
    • Mitsubishi Denki Kabushiki Kaisha
    • Sataro Yamaguchi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Switch
    • Patent number 5,514,844
    • Issue date May 7, 1996
    • Mitsubishi Denki Kabushiki Kaisha
    • Suenobu Hamano
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Apparatus for generating negatively charged species
    • Patent number 4,924,102
    • Issue date May 8, 1990
    • Mitsubishi Denki Kabushiki Kaisha
    • Hideaki Toya
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Switchgear
    • Patent number 4,786,770
    • Issue date Nov 22, 1988
    • Mitsubishi Denki Kabushiki Kaisha
    • Suenobu Hamano
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Circuit interrupter
    • Patent number 4,445,020
    • Issue date Apr 24, 1984
    • Mitsubishi Denki Kabushiki Kaisha
    • Yoshihiro Ueda
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Self-extinguishing switch
    • Patent number 4,359,616
    • Issue date Nov 16, 1982
    • Mitsubishi Denki Kabushiki Kaisha
    • Yoshihiro Ueda
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Arc self-extinguishing switch device
    • Patent number 4,306,130
    • Issue date Dec 15, 1981
    • Mitsubishi Denki Kabushiki Kaisha
    • Hiroyuki Sasao
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Switching device
    • Patent number 4,264,795
    • Issue date Apr 28, 1981
    • Mitsubishi Denki Kabushiki Kaisha
    • Hiroyuki Sasao
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    Voltage fluctuation compensating apparatus
    • Publication number 20020171294
    • Publication date Nov 21, 2002
    • Mitsubishi Denki Kabushiki Kaisha
    • Akihiko Iwata
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Voltage fluctuation compensating apparatus
    • Publication number 20020140294
    • Publication date Oct 3, 2002
    • Mitsubishi Denki Kabushiki Kaisha
    • Akihiko Iwata
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Switching apparatus
    • Publication number 20020043517
    • Publication date Apr 18, 2002
    • Kenichi Koyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Switching device
    • Publication number 20020044036
    • Publication date Apr 18, 2002
    • Hiroyuki Akita
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Switching apparatus
    • Publication number 20020044403
    • Publication date Apr 18, 2002
    • Toshie Takeuchi
    • H01 - BASIC ELECTRIC ELEMENTS