Taoyuan, Taiwan

Chang-Jung Chang

This inventor holds 4 USPTO granted patents and 4 published patent applications. Top assignee: Industrial Technology Research Institute. Active years: 2021-2025.

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

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

USPTO Granted Patents = 4 

% Patents Active = 100.0

Average Co-Inventor Count = 6.3

ph-index = 1


Company Filing History:


Years Active: 2021-2025

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4 patents (USPTO):Explore Patents

Title: Chang-Jung Chang: Innovator in Polyester Fabric Technology

Introduction

Chang-Jung Chang is a notable inventor based in Taoyuan, Taiwan. He has made significant contributions to the field of textile technology, particularly in the area of polyester fabric treatment. With a total of 4 patents to his name, Chang's work focuses on innovative methods for enhancing the properties of polyester materials.

Latest Patents

Chang's latest patents include a method for decolorizing polyester fabric and a dyeing method for fibers. The decolorizing method involves immersing a dye-attached polyester fabric in a first solution to obtain a treated polyester fabric, followed by immersion in a second solution to achieve a decolorized polyester fabric. This process utilizes specific swelling agents and solubility promoters to effectively remove color from the fabric. Additionally, his dyeing method incorporates indigo and indirubin in a precise weight ratio, allowing for high luminance, color saturation, and colorfastness in the dyed fibers.

Career Highlights

Chang is affiliated with the Industrial Technology Research Institute, where he continues to advance research in textile innovations. His work has not only contributed to the field but has also paved the way for new applications in fabric technology.

Collaborations

Chang collaborates with talented individuals such as Pei-Ching Chang and Ya-Lin Lin, enhancing the research and development efforts within his team.

Conclusion

Chang-Jung Chang's innovative approaches to polyester fabric treatment exemplify the impact of research and development in the textile industry. His contributions are paving the way for advancements in fabric technology and sustainability.

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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