TREA

Shanghai Yen Sun Electrical Industry Co., Ltd.

Follow

Organization

  • Shanghai, CN
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Magnetic shaft for brushless D.C. motor
    • Patent number 6,787,956
    • Issue date Sep 7, 2004
    • Shanghai Yen Sun Electrical Industry Co., Ltd.
    • Duhua Sun
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Trademarklast 30 trademarks