TREA

Hiroto Yoshikai

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  • Ibaraki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Centrifugal compressor and vaned diffuser
    • Patent number 5,709,531
    • Issue date Jan 20, 1998
    • Hitachi, Ltd.
    • Hideo Nishida
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Centrifugal compressor and vaned diffuser
    • Patent number 5,516,263
    • Issue date May 14, 1996
    • Hitachi, Ltd.
    • Hideo Nishida
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...