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Dongren Chen

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  • Shanghai, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method to verify telephone number
    • Patent number 9,544,440
    • Issue date Jan 10, 2017
    • ArcSoft (Shanghai) Technology Company, Ltd.
    • Hui Deng
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    IP Cache
    • Publication number 20110158238
    • Publication date Jun 30, 2011
    • ARCSOFT (SHANGHAI) TECHNOLOGY COMPANY, LTD
    • Dongren Chen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Method to Verify Telephone Number
    • Publication number 20110019807
    • Publication date Jan 27, 2011
    • ARCSOFT (SHANGHAI) TECHNOLOGY COMPANY, LTD
    • Hui Deng
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Determining Pairings of Telephone Numbers and IP Addresses from Cac...
    • Publication number 20080159266
    • Publication date Jul 3, 2008
    • ARCSOFT (SHANGHAI) TECHNOLOGY COMPANY, LTD
    • Dongren Chen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE