Emmaus, PA, United States of America

William B Grupen

This inventor holds 1 USPTO granted patent. Top assignee: Bell Telephone Laboratories. Active years: 1981.

IDiyas Innovation Intelligence. (2026). Inventor Profile: William B Grupen. Retrieved from https://idiyas.com/inventor/william-b-grupen

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 = 4.0

ph-index = 1

Forward Citations = 15(Granted Patents)


Company Filing History:


Years Active: 1981

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1 patent (USPTO):Explore Patents

Title: The Innovations of William B Grupen

Introduction

William B Grupen is a notable inventor based in Emmaus, PA (US). He is recognized for his contributions to the field of electronics, particularly in the fabrication of film resistor circuits. His innovative methods have significantly impacted the stability and performance of resistors used in various applications.

Latest Patents

Grupen holds a patent for the "Fabrication of film resistor circuits." This patent describes a method of fabricating thin and thick film resistors that results in stable resistance characteristics. The method allows resistors to withstand high current or voltage while providing a precise way to trim small resistors. After forming the resistor film and contacts, the resistors are trimmed by a cut along the length dimension, reducing the width of the current path uniformly. This innovative approach eliminates current crowding in the vicinity of the cut, enhancing the overall performance of the resistors.

Career Highlights

William B Grupen has had a distinguished career, working at Bell Telephone Laboratories. His work at this prestigious institution has allowed him to develop and refine his innovative techniques in resistor fabrication. His contributions have been instrumental in advancing the technology used in electronic circuits.

Collaborations

Throughout his career, Grupen has collaborated with notable colleagues, including Howard M Cohen and Lloyd Berrin. These collaborations have fostered an environment of innovation and have led to significant advancements in the field of electronics.

Conclusion

William B Grupen's work in the fabrication of film resistor circuits showcases his innovative spirit and dedication to advancing technology. His contributions continue to influence the electronics industry, demonstrating the importance of innovation in engineering.

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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