TREA

Yutaka Yokoyama

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  • Taipei City, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Slide fastener
    • Patent number 7,669,296
    • Issue date Mar 2, 2010
    • YKK Corporation
    • Yutaka Yokoyama
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

  • Information Patent Application

    Tape with thermochromic member
    • Publication number 20070270308
    • Publication date Nov 22, 2007
    • Yutaka Yokoyama
    • B44 - DECORATIVE ARTS
  • Information Patent Application

    Slide fastener
    • Publication number 20070017071
    • Publication date Jan 25, 2007
    • Yutaka Yokoyama
    • A44 - HABERDASHERY JEWELLERY
  • Information Patent Application

    Slide fastener slider
    • Publication number 20050102803
    • Publication date May 19, 2005
    • Tseng Fa Wen
    • A44 - HABERDASHERY JEWELLERY