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Pingping MA

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  • Beijing, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Circumferential laser dynamic display device
    • Patent number 10,762,807
    • Issue date Sep 1, 2020
    • BEIJING CENTRAL PRESS UNION TECHNOLOGY CO., LTD.
    • Hao Wang
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Laser animation display method
    • Patent number 10,514,548
    • Issue date Dec 24, 2019
    • BEIJING CENTRAL PRESS UNION TECHNOLOGY CO., LTD.
    • Sen Cong
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

  • Information Patent Application

    Laser Animation Display Method
    • Publication number 20190391403
    • Publication date Dec 26, 2019
    • Beijing Central Press Union Technology Co., Ltd.
    • Sen CONG
    • G02 - OPTICS
  • Information Patent Application

    Circumferential Laser Dynamic Display Device
    • Publication number 20190156713
    • Publication date May 23, 2019
    • Beijing Central Press Union Technology Co., Ltd.
    • Hao WANG
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS