TREA

Toshio Toshima

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Patents Grantslast 30 patents

  • Information Patent Grant

    Pipe joint with earthquake-proof function
    • Patent number 7,243,954
    • Issue date Jul 17, 2007
    • Kubota Corporation
    • Toshio Toshima
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pipe having ridge on spigot and method of forming the ridge
    • Patent number 5,896,893
    • Issue date Apr 27, 1999
    • Kubota Corporation
    • Toshio Toshima
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Separation-preventive pipe joint
    • Patent number 5,613,714
    • Issue date Mar 25, 1997
    • Kubota Corporation
    • Toshio Toshima
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Separation preventive pipe joint
    • Patent number 5,609,368
    • Issue date Mar 11, 1997
    • Kubota Corporation
    • Atsushi Maki
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Pipe joint with earthquake-proof function
    • Publication number 20060108797
    • Publication date May 25, 2006
    • Toshio Toshima
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...