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Seiji Sakagami

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  • Ibaraki-ken, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Supercharger for engine
    • Patent number 6,082,341
    • Issue date Jul 4, 2000
    • Hitachi, Ltd.
    • Nobukatsu Arai
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Turbo vacuum pump with a magnetically levitated rotor and a control...
    • Patent number 5,961,291
    • Issue date Oct 5, 1999
    • Hitachi, Ltd.
    • Seiji Sakagami
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Turbo vacuum pump
    • Patent number 5,536,148
    • Issue date Jul 16, 1996
    • Hitachi, Ltd.
    • Akira Nishiuchi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Turbo vacuum pump
    • Patent number 5,501,583
    • Issue date Mar 26, 1996
    • Hitachi, Ltd.
    • Takashi Nagaoka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Turbo vacuum pump
    • Patent number 5,451,147
    • Issue date Sep 19, 1995
    • Hitachi, Ltd.
    • Seiji Sakagami
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Turbo vacuum pump
    • Patent number 5,380,171
    • Issue date Jan 10, 1995
    • Hitachi, Ltd.
    • Takashi Nagaoka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Turbo vacuum pump
    • Patent number 5,020,969
    • Issue date Jun 4, 1991
    • Hitachi, Ltd.
    • Masahiro Mase
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...