Donsheng Li

Person

  • Hitachi, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Semiconductor power converter

    • Patent number 7,919,941
    • Issue date Apr 5, 2011
    • Hitachi, Ltd.
    • Shigehisa Aoyagi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    Semiconductor Power Converter

    • Publication number 20090058331
    • Publication date Mar 5, 2009
    • Hitachi, Ltd.
    • Shigehisa Aoyagi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER