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Yifei Qian

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  • Shanghai, CN
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    System for Turning Off Power Consumption of Auxiliary Startup Circuit
    • Publication number 20250080106
    • Publication date Mar 6, 2025
    • SHANGHAI HUALI MICROELECTRONICS CORPORATION
    • Xiaofeng Su
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    NOVEL CAPACITIVE DAC STRUCTURE
    • Publication number 20240275398
    • Publication date Aug 15, 2024
    • Shanghai Huali Integrated Circuit Corporation
    • Jingping GU
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Power-On-Reset Circuit
    • Publication number 20240128976
    • Publication date Apr 18, 2024
    • SHANGHAI HUALI MICROELECTRONICS CORPORATION
    • Yu Jia
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    MULTILEVEL VOLTAGE DETECTOR CIRCUIT
    • Publication number 20240120013
    • Publication date Apr 11, 2024
    • Shanghai Huali Integrated Circuit Corporation
    • Yu Jia
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    Distributed LDO Structure Without External Capacitor
    • Publication number 20230115769
    • Publication date Apr 13, 2023
    • Shanghai Huali Integrated Circuit Corporation
    • Xiangyang Li
    • G05 - CONTROLLING REGULATING
  • Information Patent Application

    Power Supply Powering-On Structure
    • Publication number 20210018945
    • Publication date Jan 21, 2021
    • SHANGHAI HUALI MICROELECTRONICS CORPORATION
    • Ning Zhang
    • G05 - CONTROLLING REGULATING