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Zhang Qingjun

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  • Shenzhen, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Recessed screen
    • Patent number 8,804,239
    • Issue date Aug 12, 2014
    • Elite Screens, Inc.
    • Zhang Qingjun
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    EDGE-FREE FIXED FRAME PROJECTION SCREEN
    • Publication number 20160026078
    • Publication date Jan 28, 2016
    • ELITE SCREENS, INC.
    • Zhang Qingjun
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    RECESSED SCREEN
    • Publication number 20130235455
    • Publication date Sep 12, 2013
    • ELITE SCREENS, INC.
    • Zhang Qingjun
    • G06 - COMPUTING CALCULATING COUNTING