TREA

Gen Konno

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  • Tochigi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Closed compressor
    • Patent number 6,718,864
    • Issue date Apr 13, 2004
    • Hitachi, Ltd.
    • Nobuo Abe
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary compressor with spiral oil grooves for crankshaft
    • Patent number 4,626,180
    • Issue date Dec 2, 1986
    • Hitachi, Ltd.
    • Shigetaro Tagawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    Closed compressor
    • Publication number 20030116013
    • Publication date Jun 26, 2003
    • Nobuo Abe
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...