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Hiroyuki Umemura

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  • Shizuoka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Air conditioning apparatus
    • Patent number 5,072,878
    • Issue date Dec 17, 1991
    • Mitsubishi Denki Kabushiki Kaisha
    • Katsuyuki Aoki
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Control device for an air conditioner
    • Patent number 4,914,925
    • Issue date Apr 10, 1990
    • Mitsubishi Denki Kabushiki Kaisha
    • Hiroyuki Umemura
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Air flow control device for an air conditioner
    • Patent number 4,909,310
    • Issue date Mar 20, 1990
    • Mitsubishi Denki Kabushiki Kaisha
    • Hiroyuki Umemura
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Air conditioning device
    • Patent number 4,895,002
    • Issue date Jan 23, 1990
    • Mitsubishi Denki Kabushiki Kaisha
    • Hidenori Ishioka
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Air conditioner
    • Patent number 4,890,545
    • Issue date Jan 2, 1990
    • Mitsubishi Denki Kabushiki Kaisha
    • Kenji Matsuda
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Air flow control device for an air conditioner
    • Patent number 4,877,183
    • Issue date Oct 31, 1989
    • Mitsubishi Denki Kabushiki Kaisha
    • Kenji Matsuda
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Air conditioner
    • Patent number 4,858,824
    • Issue date Aug 22, 1989
    • Mitsubishi Denki Kabushiki Kaisha
    • Kenji Matsuda
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Air conditioner control apparatus
    • Patent number 4,850,203
    • Issue date Jul 25, 1989
    • Mitsubishi Denki Kabushiki Kaisha
    • Tetsuji Okada
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Heat radiation plate
    • Patent number D300240
    • Issue date Mar 14, 1989
    • Mitsubishi Denki Kabushiki Kaisha
    • Kiyoshi Sakuma
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Air flow control device
    • Patent number 4,807,444
    • Issue date Feb 28, 1989
    • Mitsubishi Denki Kabushiki Kaisha
    • Katsuyuki Aoki
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Heat exchanger for an air-conditioning apparatus
    • Patent number 4,775,007
    • Issue date Oct 4, 1988
    • Mitsubishi Denki Kabushiki Kaisha
    • Kiyoshi Sakuma
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Heat exchanger with corrugated heat transfer plates
    • Patent number 4,768,583
    • Issue date Sep 6, 1988
    • Mitsubishi Denki Kabushiki Kaisha
    • Ikuo Tsukamoto
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Air conditioning method
    • Patent number 4,715,191
    • Issue date Dec 29, 1987
    • Mitsubishi Denki Kabushiki Kaisha
    • Hiroyuki Umemura
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Air conditioning apparatus
    • Patent number 4,709,554
    • Issue date Dec 1, 1987
    • Mitsubishi Denki Kabushiki Kaisha
    • Hiroyuki Umemura
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...