TREA

Zhen Lei

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  • Beijing, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Adjusting traffic lights
    • Patent number 8,830,086
    • Issue date Sep 9, 2014
    • International Business Machines Corporation
    • Rong Zeng Cao
    • G08 - SIGNALLING

Patents Applicationslast 30 patents

  • Information Patent Application

    Method And Apparatus For Displaying Recommendation Result
    • Publication number 20170249399
    • Publication date Aug 31, 2017
    • Yuzhou HU
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    ADJUSTING TRAFFIC LIGHTS
    • Publication number 20130106620
    • Publication date May 2, 2013
    • International Business Machines Corporation
    • Rong Zeng Cao
    • G08 - SIGNALLING
  • Information Patent Application

    Display system
    • Publication number 20060093900
    • Publication date May 4, 2006
    • Dongmin Yan
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS