Yifei Qian

Person

  • Shanghai, CN

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