TREA

Kaikai Yu

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  • Hangzhou, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Communication and messaging system
    • Patent number 11,134,048
    • Issue date Sep 28, 2021
    • Dingtalk Holding (Cayman) Limited
    • Hang Chen
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Communication and messaging system
    • Patent number 10,587,559
    • Issue date Mar 10, 2020
    • Dingtalk Holding (Cayman) Limited
    • Hang Chen
    • G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

  • Information Patent Application

    NOVEL COMMUNICATION AND MESSAGING SYSTEM
    • Publication number 20200153775
    • Publication date May 14, 2020
    • Dingtalk Holding (Cayman) Limited
    • Hang Chen
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    NOVEL COMMUNICATION AND MESSAGING SYSTEM
    • Publication number 20160239165
    • Publication date Aug 18, 2016
    • ALIBABA GROUP HOLDING LIMITED
    • Hang Chen
    • G06 - COMPUTING CALCULATING COUNTING