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Akira Muramatsu

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Patents Grantslast 30 patents

  • Information Patent Grant

    Sealing part and substrate processing apparatus
    • Patent number 8,608,856
    • Issue date Dec 17, 2013
    • Tokyo Electron Limited
    • Daisuke Hayashi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Metal gasket
    • Patent number 8,485,534
    • Issue date Jul 16, 2013
    • Tohoku University
    • Tadahiro Ohmi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Low-compression force metal gaskets
    • Patent number 8,146,924
    • Issue date Apr 3, 2012
    • Tohoku University
    • Tadahiro Ohmi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Composite sealing material
    • Patent number 7,896,354
    • Issue date Mar 1, 2011
    • Nippon Valqua Industries, Ltd.
    • Akira Muramatsu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Composite sealing material
    • Patent number 7,866,669
    • Issue date Jan 11, 2011
    • Nippon Valqua Industries, Ltd.
    • Yukio Kobayashi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Seal for an endless track
    • Patent number 7,004,474
    • Issue date Feb 28, 2006
    • Topy Kogyo Kabushiki Kaisha
    • Kenichi Takahashi
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

  • Information Patent Application

    Metal Gasket
    • Publication number 20110084456
    • Publication date Apr 14, 2011
    • TOHOKU UNIVERSITY
    • Tadahiro Ohmi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Composite Sealing Material
    • Publication number 20090174152
    • Publication date Jul 9, 2009
    • NIPPON VALQUA INDUSTRIES, LTD.
    • Akira Muramatsu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Low-Compression Force Metal Gaskets
    • Publication number 20080309028
    • Publication date Dec 18, 2008
    • TOHOKU UNIVERSITY
    • Tadahiro Ohmi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Composite Sealing Material
    • Publication number 20080018058
    • Publication date Jan 24, 2008
    • NIPPON VALQUA INDUSTRIES, LTD.
    • Yukio Kobayashi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Sealing part and substrate processing apparatus
    • Publication number 20070075503
    • Publication date Apr 5, 2007
    • TOKYO ELECTRON LIMITED
    • Daisuke Hayashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Seal for an endless track
    • Publication number 20040007833
    • Publication date Jan 15, 2004
    • TOPY KOGYO KABUSHIKI KAISHA
    • Kenichi Takahashi
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS