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Chifeng LIU

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  • Guangzhou, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Negative voltage level conversion control circuit and method
    • Patent number 12,101,086
    • Issue date Sep 24, 2024
    • SMARTER MICROELECTRONICS (GUANG ZHOU) CO., LTD
    • Chifeng Liu
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Power control circuit
    • Patent number 11,881,820
    • Issue date Jan 23, 2024
    • SMARTER MICROELECTRONICS (GUANG ZHOU) CO., LTD
    • Chifeng Liu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Digital-to-analog conversion circuit
    • Patent number 11,196,433
    • Issue date Dec 7, 2021
    • SMARTER MICROELECTRONICS (GUANG ZHOU) CO., LTD
    • Jiangtao Yi
    • H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents