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Atsushi WATANABE

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Patents Grantslast 30 patents

  • Information Patent Grant

    Control device for electric rolling stock
    • Patent number 8,825,240
    • Issue date Sep 2, 2014
    • Hitachi, Ltd.
    • Atsushi Watanabe
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Phase controller and cam shaft phase controller for internal combus...
    • Patent number 7,424,875
    • Issue date Sep 16, 2008
    • Hitachi, Ltd.
    • Isao Hayase
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Valve timing control apparatus
    • Patent number 7,150,251
    • Issue date Dec 19, 2006
    • Hitachi, Ltd.
    • Atsushi Watanabe
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotational phase adjuster
    • Patent number 7,086,359
    • Issue date Aug 8, 2006
    • Hitachi, Ltd.
    • Isao Hayase
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Screw compressor and method of manufacturing rotor for the same
    • Patent number 6,884,049
    • Issue date Apr 26, 2005
    • Hitachi, Ltd.,
    • Takeshi Hida
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor with oil-mist separator
    • Patent number 6,554,595
    • Issue date Apr 29, 2003
    • Hitachi, Ltd.
    • Takeshi Hida
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw compressor
    • Patent number 6,506,039
    • Issue date Jan 14, 2003
    • Hitachi, Ltd.
    • Hiroki Osumimoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents