TREA

Yoshiaki Konishi

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pulsation free pump
    • Patent number 5,993,174
    • Issue date Nov 30, 1999
    • Nikkiso Co., Ltd.
    • Yoshiaki Konishi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multistage canned motor pump having a thrust balancing disk
    • Patent number 5,591,016
    • Issue date Jan 7, 1997
    • Nikkiso Co., Ltd.
    • Yasushi Kubota
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...