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Hitoshi Nishimura

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  • Shimizu-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Oil free screw compressor
    • Patent number 6,948,915
    • Issue date Sep 27, 2005
    • Hitachi, Ltd.
    • Hitoshi Nishimura
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Oil free screw compressor operating at variable speeds and control...
    • Patent number 6,739,841
    • Issue date May 25, 2004
    • Hitachi, Ltd.
    • Hitoshi Nishimura
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Oil free screw compressor
    • Patent number 6,638,030
    • Issue date Oct 28, 2003
    • Hitachi, Ltd.
    • Hitoshi Nishimura
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Oil free screw compressor operating at variable speeds and control...
    • Patent number 6,561,766
    • Issue date May 13, 2003
    • Hitachi, Ltd.
    • Hitoshi Nishimura
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Oil free type screw compressor
    • Patent number 6,551,082
    • Issue date Apr 22, 2003
    • Hitachi, Ltd.
    • Kenji Douzono
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Oil free screw compressor
    • Patent number 6,471,492
    • Issue date Oct 29, 2002
    • Hitachi, Ltd.
    • Hitoshi Nishimura
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw compression apparatus and operation control method thereof
    • Patent number 6,461,112
    • Issue date Oct 8, 2002
    • Hitachi, Ltd.
    • Hiroshi Ohta
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Oil free screw compressor
    • Patent number 6,287,088
    • Issue date Sep 11, 2001
    • Hitachi, Ltd.
    • Hitoshi Nishimura
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    Oil free screw compressor
    • Publication number 20040037711
    • Publication date Feb 26, 2004
    • Hitoshi Nishimura
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Oil free screw compressor operating at variable speeds and control...
    • Publication number 20030180150
    • Publication date Sep 25, 2003
    • Hitoshi Nishimura
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    OIL FREE TYPE SCREW COMPRESSOR
    • Publication number 20030059326
    • Publication date Mar 27, 2003
    • Kenji Douzono
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Oil free screw compressor
    • Publication number 20030012674
    • Publication date Jan 16, 2003
    • Hitoshi Nishimura
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Oil free screw compressor operating at variable speeds and control...
    • Publication number 20020051709
    • Publication date May 2, 2002
    • Hitoshi Nishimura
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Oil free screw compressor
    • Publication number 20010021349
    • Publication date Sep 13, 2001
    • Hitoshi Nishimura
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...