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Hiroshi Asabuki

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Patents Grantslast 30 patents

  • Information Patent Grant

    Vortex blower
    • Patent number 8,038,391
    • Issue date Oct 18, 2011
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Shizu Ishikawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method of manufacturing an impeller
    • Patent number 5,697,152
    • Issue date Dec 16, 1997
    • Hitachi, Ltd.
    • Susumu Yamazaki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vortex flow blower and vane wheel therefor
    • Patent number 5,628,615
    • Issue date May 13, 1997
    • Hitachi, Ltd.
    • Hiroshi Asabuki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method of making vortex flow blower and vane wheel therefor
    • Patent number 5,600,886
    • Issue date Feb 11, 1997
    • Hitachi, Ltd.
    • Hiroshi Asabuki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vortex flow blower having blades each formed by curved surface
    • Patent number 5,536,139
    • Issue date Jul 16, 1996
    • Hitachi, Ltd.
    • Susumu Yamazaki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vortex flow blower and vane wheel therefor
    • Patent number 5,487,639
    • Issue date Jan 30, 1996
    • Hitachi, Ltd.
    • Hiroshi Asabuki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vortex flow blower having blades each formed by curved surface and...
    • Patent number 5,395,210
    • Issue date Mar 7, 1995
    • Hitachi, Ltd.
    • Susumu Yamazaki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vortex flow blower
    • Patent number 5,281,083
    • Issue date Jan 25, 1994
    • Hitachi, Ltd.
    • Eiichi Ito
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Inverter device
    • Patent number 5,091,823
    • Issue date Feb 25, 1992
    • Hitachi, Ltd.
    • Takatsugu Kanbara
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Casing of blower and ventilating fan utilizing the casing
    • Patent number 4,563,126
    • Issue date Jan 7, 1986
    • Hitachi, Ltd.
    • Kazuo Kobayashi
    • F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

  • Information Patent Application

    Vortex Blower
    • Publication number 20090317235
    • Publication date Dec 24, 2009
    • Shizu ISHIKAWA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...