Company Filing History:
5 out of 418 
1 out of 27,246 
Years Active: 2024-2025
Title: Liqiong Yi: Innovator in Power Supply Technologies
Introduction
Liqiong Yi is a prominent inventor based in Shenzhen, China. He has made significant contributions to the field of power supply technologies, holding a total of 6 patents. His innovative work focuses on improving the efficiency and reliability of power systems.
Latest Patents
Liqiong Yi's latest patents include a power supply method and apparatus, as well as a resonant converter and voltage conversion method. The power supply method involves determining whether a current power grid is a weak power grid. If it is, the method establishes a target current limit value based on the actual input voltage of the power system. This allows for adaptive adjustments to the current limit value, ensuring that power is supplied to the load while avoiding undervoltage issues. The resonant converter patent features a high-frequency inversion circuit, an inductor-inductor-capacitor (LLC) resonant tank network, and a hybrid rectification circuit. This design enables the conversion of direct current voltage into alternating current voltage, enhancing the overall efficiency of power conversion.
Career Highlights
Liqiong Yi has worked with notable companies such as Huawei Digital Power Technologies Co., Ltd. and Huawei Technologies Co., Limited. His experience in these organizations has allowed him to develop and refine his innovative ideas in power supply technologies.
Collaborations
Some of his coworkers include Zezhou Yang and Shu Zhong. Their collaboration has contributed to the advancement of various projects within the companies they have worked for.
Conclusion
Liqiong Yi is a distinguished inventor whose work in power supply technologies has led to several important patents. His contributions continue to influence the field, showcasing the importance of innovation in enhancing power system efficiency.