TREA

Keisuke Umehara

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  • Himeji-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Seal layer-transferred metal gasket
    • Patent number 8,220,800
    • Issue date Jul 17, 2012
    • Kokusan Parts Industry Co., Ltd.
    • Keisuke Umehara
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Metal gasket
    • Patent number 7,204,491
    • Issue date Apr 17, 2007
    • Kokusan Parts Industry Co., Ltd.
    • Koichi Hatamura
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Seal layer-transferred metal gasket
    • Publication number 20080169615
    • Publication date Jul 17, 2008
    • Kokusan Parts Industry Co., Ltd.
    • Keisuke Umehara
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Metal gasket
    • Publication number 20080023922
    • Publication date Jan 31, 2008
    • KOKUSAN PARTS INDUSTRY CO., LTD
    • Keisuke Umehara
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Metal gasket
    • Publication number 20070170659
    • Publication date Jul 26, 2007
    • Koichi HATAMURA
    • Koichi Hatamura
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Metal gasket
    • Publication number 20050173868
    • Publication date Aug 11, 2005
    • Koichi HATAMURA
    • Koichi Hatamura
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...