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David S.C. Liu

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  • Newton, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pulse-by-pulse current limit with slope compensator for inverters
    • Patent number 12,199,501
    • Issue date Jan 14, 2025
    • HDM SYSTEMS CORPORATION
    • James Jin Xiong Zeng
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    High performance inverter charger system
    • Patent number 7,710,077
    • Issue date May 4, 2010
    • HDM Systems Corp.
    • James Jin Xiong Zeng
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Inverter charger system
    • Patent number D605589
    • Issue date Dec 8, 2009
    • HDM Systems Corporation
    • James Jin Xiong Zeng
    • D13 - Equipment for production, distribution, or transformation of energy

Patents Applicationslast 30 patents