TREA

Hisakazu Asai

Follow

Person

  • Osaka-shi, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Sluice valve for operations
    • Patent number 9,004,090
    • Issue date Apr 14, 2015
    • Waterworks Technology Development Organization Co., Ltd.
    • Hisakazu Asai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Gate valve device
    • Patent number 7,819,384
    • Issue date Oct 26, 2010
    • Waterworks Technology Development Organization
    • Kiyoharu Nakano
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Sluice Valve for Operations
    • Publication number 20120192962
    • Publication date Aug 2, 2012
    • WATERWORKS TECHNOLOGY DEVELOPMENT ORGANIZATION CO. LTD.
    • Hisakazu Asai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    GATE VALVE DEVICE
    • Publication number 20090224197
    • Publication date Sep 10, 2009
    • WATERWORKS TECHNOLOGY DEVELOPMENT ORGANIZATION CO.
    • Kiyoharu Nakano
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...