Shanghai, China

Lieyi Fang

USPTO Granted Patents = 331 

Average Co-Inventor Count = 2.9

ph-index = 36

Forward Citations = 4,325(Granted Patents)

Forward Citations (Not Self Cited) = 1,479(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Guangzhou, CN (2015)
  • Shanghai, CN (2006 - 2024)

Company Filing History:


Years Active: 2006-2025

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Areas of Expertise:
Error Amplification
Switch-Mode Power Converters
Led Lighting Control
Synchronous Rectification
Voltage Compensation
Current Regulation
Power Loss Reduction
Overvoltage Protection
Intelligent Control
Pulse-Width Modulation
Ac Input Capacitor Discharge
Two-Terminal Integrated Circuits
331 patents (USPTO):Explore Patents

Title: Lieyi Fang: Innovator in Power Conversion Systems

Introduction:

Lieyi Fang is a prolific inventor and innovator in the field of power conversion systems. Based in Shanghai, China, Fang has made significant contributions to the development of systems and methods for controlling synchronous rectification and regulating power conversion systems. With an impressive portfolio of 310 patents, Fang's expertise and innovative mindset have propelled him to the forefront of power electronics technologies.

Latest Patents:

Fang's latest patents showcase his expertise in the field of power electronics. Among his recent inventions are the systems and methods for controlling synchronous rectification. These systems consist of various components such as switches, voltage generators, and filter circuits, which work in harmony to optimize power conversion efficiency. Additionally, Fang has also invented a system controller and method for regulating power conversion systems, enabling the control of current and secondary windings to enhance the overall system performance.

Career Highlights:

Throughout his career, Lieyi Fang has worked with renowned companies in the power electronics industry. He has made significant contributions to the success of On-Bright Electronics (Shanghai) Co., Ltd., and Guangzhou On-Bright Electronics Co., Ltd. His expertise and technical know-how have played a vital role in the development of cutting-edge power conversion systems within these organizations.

Collaborations:

Fang's collaborations with his peers have contributed to the advancement of power electronics technologies. Collaborating with Liqiang Zhu and Qiang Luo, Fang has successfully developed and patented innovative solutions that address the challenges in power conversion systems. These collaborations highlight Fang's ability to work as part of a team, leveraging his expertise to achieve remarkable results in the field of power electronics.

Conclusion:

Lieyi Fang's vast contribution to power conversion systems and his extensive patent portfolio make him a distinguished innovator in his field. His systems and methods for controlling synchronous rectification and power conversion regulation have shaped the industry, enabling improved energy efficiency and performance. With his remarkable career achievements and collaborative approach, Fang continues to shape the future of power electronics, inspiring fellow professionals and aspiring inventors in the field.

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