Qingdao, China

Wendong Ji

This inventor holds 2 USPTO granted patents and 2 EPO patents. Top assignees: Crrc Qingdao Sifang Rolling Stock Research Institute Co., Ltd., Crrc Qingdao Sifang Rolling Stock Research Institute Co., Ltd. (Cn). Active years: 2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Wendong Ji. Retrieved from https://idiyas.com/inventor/wendong-ji

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


% Patents Active = 50.0

 

Average Co-Inventor Count = 10.9

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 2021

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2 patents (USPTO):Explore Patents

Title: Innovations by Wendong Ji

Introduction

Wendong Ji is a notable inventor based in Qingdao, China. He has made significant contributions to the field of electrical engineering, particularly in the development of control strategies for auxiliary converters and inverters. With a total of 2 patents, his work has been instrumental in enhancing the reliability and efficiency of electrical systems.

Latest Patents

Wendong Ji's latest patents include a "Synchronous soft-start networking control strategy for parallel auxiliary converters of EMU" and a "Parallel control method and system for single-phase inverters and inverter." The first patent focuses on a control strategy that allows for quick and reliable automatic networking in emergency traction modes of Electric Multiple Units (EMU). This innovation significantly shortens the networking time during normal operations, ensuring that EMUs can complete startup loading within specified timeframes under various working conditions. The second patent addresses the control of multiple single-phase inverters, allowing them to operate in parallel. This system ensures that if one inverter fails, the others can automatically take over the load, providing uninterrupted power supply and enhancing reliability.

Career Highlights

Wendong Ji has worked with Crrc Qingdao Sifang Rolling Stock Research Institute Co., Ltd., where he has contributed to various projects that focus on improving the performance of rolling stock systems. His expertise in control strategies has been pivotal in advancing the technology used in modern transportation systems.

Collaborations

Wendong Ji has collaborated with notable colleagues such as Bo Zhang and Meiyun Li, contributing to a dynamic research environment that fosters innovation and development in electrical engineering.

Conclusion

Wendong Ji's contributions to the field of electrical engineering through his patents and collaborative efforts highlight his role as a key innovator. His work not only enhances the functionality of electrical systems but also ensures their reliability in critical applications.

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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