TREA

Tamotsu Maenishi

Follow

Person

  • Osaka, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Pipe joint, packing ring, and method for mounting pipe joint
    • Patent number 9,890,883
    • Issue date Feb 13, 2018
    • Waterworks Technology Development Organization Co., Ltd.
    • Tamotsu Maenishi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Gate valve apparatus
    • Patent number 6,893,001
    • Issue date May 17, 2005
    • Waterworks Technology Development Organization Co., Ltd.
    • Tamotsu Maenishi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    External cover pipe for fluid transport pipe
    • Patent number 6,161,878
    • Issue date Dec 19, 2000
    • Waterworks Technology Development Organization Co., Ltd.
    • Kazuhiro Atsumi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Fixing construction for pipe joint
    • Patent number 6,131,957
    • Issue date Oct 17, 2000
    • Waterworks Technology Development Organization Co., Ltd.
    • Kikuo Saito
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents