Shenzhen, China

Hejun Zhang

This inventor holds 2 USPTO granted patents and 2 published patent applications and 2 EPO patents. Top assignees: Chotest Technology Inc., Huawei Digital Power Technologies Co., Ltd.. Active years: 2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hejun Zhang. Retrieved from https://idiyas.com/inventor/hejun-zhang

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

Calculating rank
USPTO Granted Patents = 2 

% Patents Active = 50.0

 

Average Co-Inventor Count = 3.0

ph-index = 1


Company Filing History:


Years Active: 2026

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2 patents (USPTO):Explore Patents

Title: Hejun Zhang: Innovator in Measurement and Power Conversion Technologies

Introduction

Hejun Zhang is a prominent inventor based in Shenzhen, China. He has made significant contributions to the fields of measurement and power conversion technologies. With a total of 2 patents, Zhang's work showcases his innovative approach to solving complex engineering challenges.

Latest Patents

Zhang's latest patents include a "Method for measuring orthogonality of orthogonal axis system." This method provides a systematic approach to measuring the orthogonality between rotary axes, ensuring precision in various applications. The process involves placing an instrument on a bearing surface, intercepting a rotary axis, and measuring geometric centers to determine orthogonality.

Another notable patent is the "Power converter and method for controlling same." This invention features a power converter that includes multiple bridge arms and a controller, designed to enhance the efficiency and performance of power conversion systems. The innovative design allows for improved control and reliability in power management.

Career Highlights

Hejun Zhang has worked with leading companies in the technology sector, including Huawei Digital Power Technologies Co., Ltd. and Chotest Technology Inc. His experience in these organizations has allowed him to develop and refine his inventions, contributing to advancements in digital power technologies.

Collaborations

Zhang has collaborated with notable colleagues such as Maoyong Lu and Yuqiao Hu. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Hejun Zhang's contributions to measurement and power conversion technologies highlight his role as a key innovator in the field. His patents reflect a commitment to advancing engineering practices and improving technological solutions.

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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