Hisao Yokoya

Person

  • Tokyo, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Heat exchanger

    • Patent number 7,320,361
    • Issue date Jan 22, 2008
    • Mitsubishi Denki Kabushiki Kaisha
    • Hidemoto Arai
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Total heat exchanging element

    • Patent number 7,299,862
    • Issue date Nov 27, 2007
    • Mitsubishi Denki Kabushiki Kaisha
    • Masaru Takada
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Spacer for heat exchangers, element for heat exchangers, and heat e...

    • Patent number 6,019,170
    • Issue date Feb 1, 2000
    • Mitsubishi Denki Kabushiki Kaisha
    • Hisao Yokoya
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Humidifier

    • Patent number 5,624,610
    • Issue date Apr 29, 1997
    • Mitsubishi Denki Kabushiki Kaisha
    • Hisao Yokoya
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Humidifier

    • Patent number 5,318,731
    • Issue date Jun 7, 1994
    • Mitsubishi Denki Kabushiki Kaisha
    • Hisao Yokoya
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Heat exchanger

    • Patent number 4,616,695
    • Issue date Oct 14, 1986
    • Mitsubishi Denki Kabushiki Kaisha
    • Kenzo Takahashi
    • F28 - HEAT EXCHANGE IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    Total heat exchanging element

    • Publication number 20080047699
    • Publication date Feb 28, 2008
    • Mitsubishi Denki Kabushiki Kaisha
    • Masaru Takada
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    Heat exchanger

    • Publication number 20070095513
    • Publication date May 3, 2007
    • Mitsubishi Denki Kabushiki Kaisha
    • Hidemoto Arai
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    Total heat exchanging element

    • Publication number 20050082045
    • Publication date Apr 21, 2005
    • Mitsubishi Denki Kabushiki Kaisha
    • Masaru Takada
    • F28 - HEAT EXCHANGE IN GENERAL