TREA

Morihito Ichizuki

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Patents Grantslast 30 patents

  • Information Patent Grant

    Relief valve
    • Patent number 6,953,054
    • Issue date Oct 11, 2005
    • Showa Corporation
    • Kenzo Oba
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Variable displacement pump
    • Patent number 6,382,925
    • Issue date May 7, 2002
    • Showa Corporation
    • Kenzo Oba
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Back pressure groove structure of variable displacement vane pump
    • Patent number 6,375,441
    • Issue date Apr 23, 2002
    • Showa Corporation
    • Morihito Ichizuki
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

  • Information Patent Application

    Relief valve
    • Publication number 20050051218
    • Publication date Mar 10, 2005
    • Kenzo Oba
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...