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Yasushi Kubota

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Canned motor and canned motor manufacturing method
    • Patent number 11,728,701
    • Issue date Aug 15, 2023
    • Nikkiso Co., Ltd.
    • Kazuo Futatsugi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Thrust balance device
    • Patent number 6,193,462
    • Issue date Feb 27, 2001
    • Nikkiso Co., Ltd.
    • Yasushi Kubota
    • 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...
  • Information Patent Grant

    Solid impeller for centrifugal pumps
    • Patent number 5,540,550
    • Issue date Jul 30, 1996
    • Nikkiso Co., Ltd.
    • Yasushi Kubota
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents