Beijing, China

Ronghua Chang

This inventor holds 1 USPTO granted patent. Top assignees: Chongqing Construction Engineering Group Corporation Limited, Reseach Institute of Highway Ministry of Transport. Active years: 2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ronghua Chang. Retrieved from https://idiyas.com/inventor/ronghua-chang

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 10.0

ph-index = 1


Company Filing History:


Years Active: 2018

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1 patent (USPTO):Explore Patents

Title: Innovations of Ronghua Chang in Pavement Technology

Introduction

Ronghua Chang is a notable inventor based in Beijing, China. He has made significant contributions to the field of pavement technology, particularly with his innovative approaches to anti-rutting pavement structures. His work is characterized by a focus on enhancing the durability and performance of road surfaces.

Latest Patents

One of Ronghua Chang's key patents is titled "Latex cement mortar poured anti-rutting pavement structure and paving method thereof." This invention outlines a unique pavement structure that consists of several layers, including a semi-rigid base layer, a SBS emulsified asphalt adhesive layer, a Type II latex cement mortar poured asphalt concrete lower layer, a Type I latex cement mortar poured asphalt concrete middle layer, and a high viscosity modified asphalt SMA-13 concrete surface layer. This innovative design aims to improve the longevity and resistance of pavements against rutting.

Career Highlights

Ronghua Chang has worked with prominent organizations such as the Research Institute of Highway Ministry of Transport and Chongqing Construction Engineering Group Corporation Limited. His experience in these institutions has allowed him to apply his innovative ideas in practical settings, contributing to advancements in highway construction and maintenance.

Collaborations

Throughout his career, Ronghua Chang has collaborated with esteemed colleagues, including Ke Zhong and Yifei Wu. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and the development of cutting-edge technologies in pavement engineering.

Conclusion

Ronghua Chang's contributions to pavement technology through his innovative patent and collaborative efforts highlight his role as a significant figure in the field. His work continues to influence the development of more durable and efficient road surfaces.

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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