TREA

Pei-Jung Chen

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  • London, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Interdigital force switches and sensors
    • Patent number 7,509,881
    • Issue date Mar 31, 2009
    • 3M Innovative Properties Company
    • Ranjith Divigalpitiya
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Adhesive membrane for force switches and sensors
    • Patent number 7,468,199
    • Issue date Dec 23, 2008
    • 3M Innovative Properties Company
    • Ranjith Divigalpitiya
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Force sensing membrane
    • Patent number 7,260,999
    • Issue date Aug 28, 2007
    • 3M Innovative Properties Company
    • Ranjith Divigalpitiya
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    Interdigital force switches and sensors
    • Publication number 20070022828
    • Publication date Feb 1, 2007
    • 3M Innovative Properties Company
    • Ranjith Divigalpitiya
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Adhesive membrane for force switches and sensors
    • Publication number 20060141192
    • Publication date Jun 29, 2006
    • Ranjith Divigalpitiya
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Force sensing membrane
    • Publication number 20060137462
    • Publication date Jun 29, 2006
    • Ranjith Divigalpitiya
    • H01 - BASIC ELECTRIC ELEMENTS