Qiumei LI

Person

  • Shenzhen, CN

Patents Grantslast 30 patents

  • Information Patent Grant

    Gearbox and driving device using the same

    • Patent number 11,649,880
    • Issue date May 16, 2023
    • JOHNSON ELECTRIC INTERNATIONAL AG
    • Jingning Ta
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents