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Jiangjiang Ma

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  • Shanghai, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Inlet funnel for cable terminal
    • Patent number 9,502,877
    • Issue date Nov 22, 2016
    • 3M Innovative Properties Company
    • Qingqiang Ma
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Device and method for field expansion
    • Patent number 9,343,893
    • Issue date May 17, 2016
    • 3M Innovative Properties Company
    • Ming Zhang
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    INLET FUNNEL FOR CABLE TERMINAL
    • Publication number 20150340853
    • Publication date Nov 26, 2015
    • 3M Innovative Properties Company
    • Ma Qingqiang
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    DEVICE AND METHOD FOR FIELD XPANSION
    • Publication number 20140096358
    • Publication date Apr 10, 2014
    • 3M Innovative Properties Company
    • Ming Zhang
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL