Yunnan, China

Hongwen Liu

This inventor holds 4 USPTO granted patents and 1 published patent application and 1 EPO patent. Top assignees: Electric Power Research Institute of Yunnan Power Grid Co., Ltd, The Electric Power Research Institute of Yunnan Power Grid Company Limited. Active years: 2025-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hongwen Liu. Retrieved from https://idiyas.com/inventor/hongwen-liu-c3pl7maa

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 4 

% Patents Active = 75.0

 

Average Co-Inventor Count = 5.7

ph-index = 1


Company Filing History:


Years Active: 2025-2026

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4 patents (USPTO):Explore Patents

Title: Innovations by Hongwen Liu in Power Distribution Networks

Introduction

Hongwen Liu is a notable inventor based in Yunnan, China. He has made significant contributions to the field of power distribution networks, particularly in the area of line protection methods. His innovative approach addresses critical challenges in ensuring the reliability and safety of electrical systems.

Latest Patents

Hongwen Liu holds a patent for a "Line protection method and related apparatus for flexible grounding system of power distribution network." This invention outlines a method that includes outputting a first compensation voltage by a voltage source of a flexible grounding device when a ground fault occurs. The process involves real-time calculations of zero-sequence impedance and the isolation of fault lines to enhance the safety and efficiency of power distribution networks. He has 1 patent to his name.

Career Highlights

Hongwen Liu is affiliated with the Electric Power Research Institute of Yunnan Power Grid Company Limited. His work focuses on developing advanced technologies that improve the performance and safety of power distribution systems. His expertise in this field has positioned him as a valuable asset to his organization.

Collaborations

Hongwen Liu has collaborated with esteemed colleagues, including Xianping Zhao and Jindong Yang. Their combined efforts contribute to the advancement of innovative solutions in the power distribution sector.

Conclusion

Hongwen Liu's contributions to the field of power distribution networks exemplify the importance of innovation in enhancing electrical safety and reliability. His work continues to influence the industry positively.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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