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Guoji Zhang

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  • Shenzhen, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Coreless permanent magnet motor with surface charged magnet
    • Patent number 9,112,401
    • Issue date Aug 18, 2015
    • Johnson Electric S.A.
    • LiSheng Liu
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Lens module
    • Patent number 8,049,160
    • Issue date Nov 1, 2011
    • Johnson Electric, S.A.
    • Guoji Zhang
    • G02 - OPTICS
  • Information Patent Grant

    Lens driving device
    • Patent number 7,916,412
    • Issue date Mar 29, 2011
    • Johnson Electric S.A.
    • Yue Li
    • G02 - OPTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    CORELESS PERMANENT MAGNET MOTOR
    • Publication number 20120013216
    • Publication date Jan 19, 2012
    • LiSheng Liu
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    LENS MODULE
    • Publication number 20090303591
    • Publication date Dec 10, 2009
    • Guoji ZHANG
    • G02 - OPTICS