TREA

Kenichi Kawazoe

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Valve apparatus
    • Patent number 6,286,550
    • Issue date Sep 11, 2001
    • Yamatake Corporation
    • Seiji Yamaki
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valve device
    • Patent number 6,120,006
    • Issue date Sep 19, 2000
    • Yamatake Corporation
    • Seiji Yamaki
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...