Oakdale, PA, United States of America

Der-Form Chang

This inventor holds 1 USPTO granted patent. Top assignee: Weirton Steel Corporation. Active years: 2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Der-Form Chang. Retrieved from https://idiyas.com/inventor/der-form-chang

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


% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 1

Forward Citations = 6(Granted Patents)


Company Filing History:


Years Active: 2000

Loading Chart...
1 patent (USPTO):Explore Patents

Title: Der-Form Chang: Innovator in Rivet Button Fabrication

Introduction

Der-Form Chang is an accomplished inventor based in Oakdale, PA (US). He has made significant contributions to the field of manufacturing, particularly in the area of rivet button fabrication. His innovative approach has led to the development of a unique process that enhances the efficiency and quality of rivet button production.

Latest Patents

Chang holds a patent for "Rigid sheet metal rivet button fabrication for convenience-feature can." This invention outlines processing steps and tooling that replace prior practices in rivet button processes. The new method addresses issues related to the thickness gauge of sheet metal, allowing for the use of thinner-gauge materials without compromising quality. The disclosed process enables manufacturers to achieve a desired rivet button height while maintaining a uniform thickness of greater than seventy-five percent of the starting gauge.

Career Highlights

Der-Form Chang is currently employed at Weirton Steel Corporation, where he applies his expertise in metal fabrication. His work has been instrumental in advancing manufacturing techniques and improving product quality. With a focus on innovation, Chang continues to explore new methods and technologies in the industry.

Collaborations

Chang collaborates with Jyhwen Wang, a talented coworker who contributes to the development of innovative solutions in their field. Together, they work on projects that aim to enhance manufacturing processes and improve product outcomes.

Conclusion

Der-Form Chang is a notable inventor whose work in rivet button fabrication has made a significant impact on the manufacturing industry. His innovative patent and collaboration with skilled professionals highlight his commitment to advancing technology and improving production methods.

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]
Loading…