Wilmington, DE, United States of America

John Charles Harden

This inventor holds 1 USPTO granted patent. Top assignee: E.i. Dupont De Nemours and Company. Active years: 1977.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John Charles Harden. Retrieved from https://idiyas.com/inventor/john-charles-harden

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 = 2.0

ph-index = 1

Forward Citations = 16(Granted Patents)


Company Filing History:


Years Active: 1977

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1 patent (USPTO):Explore Patents

Title: John Charles Harden: Innovator in Pressure-Sensitive Technologies

Introduction

John Charles Harden is a notable inventor based in Wilmington, Delaware. He has made significant contributions to the field of pressure-sensitive technologies. His innovative work has led to the development of a unique patent that showcases his expertise and creativity.

Latest Patents

Harden holds a patent for "Pressure-sensitive elastic resistor compositions." This invention involves pressure-sensitive compositions that are adaptable for use as elastic resistors over a wide pressure range. These compositions are particularly useful as keyboard switches or vehicle-crash sensors. They comprise hard, metallic-conductive particles insulatively distributed in elastomer, demonstrating a blend of functionality and versatility.

Career Highlights

Harden is currently employed at E.I. du Pont de Nemours and Company, a leading organization known for its innovative materials and technologies. His role at the company allows him to further explore and develop his ideas in a collaborative environment.

Collaborations

Harden has worked alongside Sebastian Vito Mastrangelo, contributing to the advancement of their projects and innovations. Their collaboration has likely fostered a creative exchange of ideas, enhancing the quality of their work.

Conclusion

John Charles Harden is a distinguished inventor whose work in pressure-sensitive technologies has made a significant impact. His patent for pressure-sensitive elastic resistor compositions exemplifies his innovative spirit and dedication to advancing technology.

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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