Dallas, TX, United States of America

Daniel L Callahan

This inventor holds 1 USPTO granted patent. Top assignee: William Marsh Rice University. Active years: 1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Daniel L Callahan. Retrieved from https://idiyas.com/inventor/daniel-l-callahan

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 = 4.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 1999

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1 patent (USPTO):Explore Patents

Title: The Innovations of Daniel L. Callahan

Introduction

Daniel L. Callahan is an accomplished inventor based in Dallas, TX (US). He has made significant contributions to the field of thin film conductors through his innovative patent. His work focuses on enhancing the testing methods for adhesion strength in electronic materials.

Latest Patents

One of Callahan's notable patents is the "Electrostatic Adhesion Tester for Thin Film Conductors." This device is designed to test the adhesion strength of thin film conductors formed on substrates. The invention includes a conducting portion that is applied to the thin film conductor without physical contact, maintaining a small gap between them. A power supply can be connected to create a potential difference, generating an electric field that induces stress in the thin film conductor. This setup allows for the measurement of electrical parameters indicative of adhesion strength.

Career Highlights

Callahan is affiliated with William Marsh Rice University, where he continues to advance his research and development in the field of materials science. His work has garnered attention for its practical applications in electronics and materials engineering.

Collaborations

Throughout his career, Callahan has collaborated with notable colleagues, including Haining S. Yang and Alfred J. Griffin, Jr. These partnerships have contributed to the advancement of research in thin film technologies.

Conclusion

Daniel L. Callahan's innovative contributions to the field of thin film conductors demonstrate his commitment to advancing technology. His patent for the electrostatic adhesion tester is a testament to his ingenuity and dedication to improving testing methods in materials science.

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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