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Masamichi Hanada

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  • Shimizu, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Active noise control apparatus for three-dimensional space
    • Patent number 5,343,713
    • Issue date Sep 6, 1994
    • Hitachi, Ltd.
    • Shinya Okabe
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Air conditioner and air conditioning method
    • Patent number 4,958,500
    • Issue date Sep 25, 1990
    • Hitachi, Ltd.
    • Shigeaki Kuroda
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Impeller of centrifugal blower
    • Patent number 4,647,271
    • Issue date Mar 3, 1987
    • Hitachi, Ltd.
    • Makoto Nagai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Air conditioning system
    • Patent number 4,454,728
    • Issue date Jun 19, 1984
    • Hitachi, Ltd.
    • Masamichi Hanada
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Blower
    • Patent number 4,432,694
    • Issue date Feb 21, 1984
    • Hitachi, Ltd.
    • Sigeaki Kuroda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...