TREA

Tomoyuki Koyama

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  • Shizuoka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Gasket and sealing structure
    • Patent number 11,015,709
    • Issue date May 25, 2021
    • NOK Corporation
    • Takeshi Watanabe
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Gasket
    • Patent number 9,027,936
    • Issue date May 12, 2015
    • NOK Corporation
    • Shuji Yoshitsune
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Process for production of gaskets
    • Patent number 8,003,030
    • Issue date Aug 23, 2011
    • NOK Corporation
    • Syuji Yoshitsune
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    GASKET AND SEALING STRUCTURE
    • Publication number 20190360589
    • Publication date Nov 28, 2019
    • NOK Corporation
    • Takeshi WATANABE
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    GASKET
    • Publication number 20110193298
    • Publication date Aug 11, 2011
    • NOK Corporation
    • Shuji YOSHITSUNE
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Process for Production of Gaskets
    • Publication number 20100024195
    • Publication date Feb 4, 2010
    • NOK CORPORATION
    • Syuji Yoshitsune
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...