TREA

Keiichi Shibuya

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  • Yawara-mura, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    High vacuum valve
    • Patent number 6,433,308
    • Issue date Aug 13, 2002
    • SMC Kabushiki Kaisha
    • Tsuneo Ishigaki
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    High-vacuum valve
    • Patent number 5,836,568
    • Issue date Nov 17, 1998
    • SMC Corporation
    • Tsuneo Ishigaki
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...