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Ippei Hagiwara

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  • Gifu, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Axial-flow fan with tapered hub and duct
    • Patent number 4,959,571
    • Issue date Sep 25, 1990
    • Mitsubishi Denki Kabushiki Kaisha
    • Kazuhiro Yasumoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Miniature electric motor
    • Patent number D301454
    • Issue date Jun 6, 1989
    • Mitsubishi Denki Kabushiki Kaisha
    • Naoyuki Hara
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Disc driving device having a reinforced base
    • Patent number 4,814,914
    • Issue date Mar 21, 1989
    • Mitsubishi Denki Kabushiki Kaisha
    • Ippei Hagiwara
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Blower
    • Patent number 4,773,828
    • Issue date Sep 27, 1988
    • Mitsubishi Denki Kabushiki Kaisha
    • Ippei Hagiwara
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Control apparatus of transistor motor
    • Patent number 4,442,386
    • Issue date Apr 10, 1984
    • Mitsubishi Denki Kabushiki Kaisha
    • Ryohei Uchida
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER