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Hajime Nakamura

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Patents Grantslast 30 patents

  • Information Patent Grant

    Screw compressor
    • Patent number 11,053,942
    • Issue date Jul 6, 2021
    • Kobe Steel, Ltd.
    • Katsunori Hamada
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Power generating device
    • Patent number 7,589,430
    • Issue date Sep 15, 2009
    • Kobe Steel, Ltd.
    • Hajime Nakamura
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Oil-cooled compressor
    • Patent number 7,094,037
    • Issue date Aug 22, 2006
    • Kobe Steel, Ltd.
    • Hajime Nakamura
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Cooling fan for a screw compressor drive motor
    • Patent number 7,033,144
    • Issue date Apr 25, 2006
    • Kabushiki Kaisha Kobe Seiko Sho
    • Shoji Yoshimura
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Independent rotational speed control of multi-stage variable speed...
    • Patent number 6,755,620
    • Issue date Jun 29, 2004
    • Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    • Hajime Nakamura
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor having load control
    • Patent number 6,174,137
    • Issue date Jan 16, 2001
    • Kabushiki Kaisha Kobe Seiko Sho
    • Hajime Nakamura
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    GAS COOLER
    • Publication number 20240077068
    • Publication date Mar 7, 2024
    • KOBELCO COMPRESSORS CORPORATION
    • Noboru TSUBOI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCREW COMPRESSOR
    • Publication number 20190063438
    • Publication date Feb 28, 2019
    • Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    • Katsunori HAMADA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    POWER GENERATING DEVICE
    • Publication number 20080174122
    • Publication date Jul 24, 2008
    • Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    • Hajime NAKAMURA
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Screw compressor
    • Publication number 20030228229
    • Publication date Dec 11, 2003
    • Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel,Ltd)
    • Shoji Yoshimura
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Oil-cooled compressor
    • Publication number 20030223885
    • Publication date Dec 4, 2003
    • Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    • Hajime Nakamura
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Multi-stage variable speed compressor
    • Publication number 20020119050
    • Publication date Aug 29, 2002
    • KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD)
    • Hajime Nakamura
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...