TREA

Suiken Technology Co., Ltd.

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Valve insertion method and cutting tool
    • Patent number 6,357,471
    • Issue date Mar 19, 2002
    • Suiken Technology Co., Ltd.
    • Toshiyuki Sato
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Gate valve system
    • Patent number 6,283,446
    • Issue date Sep 4, 2001
    • Suiken Technology Co., Ltd.
    • Toshiyuki Sato
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Apparatus for advancing axially aligned pipes telescopically into o...
    • Patent number D398504
    • Issue date Sep 22, 1998
    • Suiken Technology Co., Ltd.
    • Tamotsu Yamashita
    • D08 - Tools and hardware
  • Information Patent Grant

    Pipe coupling arrangement
    • Patent number 5,431,453
    • Issue date Jul 11, 1995
    • Suiken Technology Co., Ltd.
    • Tamotsu Yamashita
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

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