Northglenn, CO, United States of America

Donald A Stremel

This inventor holds 4 USPTO granted patents. Top assignees: International Business Machines Corporation, Lexmark International, Inc.. Active years: 1983-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Donald A Stremel. Retrieved from https://idiyas.com/inventor/donald-a-stremel

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 = 2.7

ph-index = 4

Forward Citations = 42(Granted Patents)


Location History:

  • No. Glen, CO (US) (1989)
  • Northglenn, CO (US) (1983 - 1992)

Company Filing History:


Years Active: 1983-1992

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4 patents (USPTO):Explore Patents

Title: The Innovations of Donald A. Stremel

Introduction

Donald A. Stremel is a notable inventor based in Northglenn, CO (US). He has made significant contributions to the field of photoconductors, holding a total of 4 patents. His work has been influential in advancing technologies related to xerographic processes and organic photoconductors.

Latest Patents

Stremel's latest patents include innovative developments in photoconductor technology. One of his notable inventions is the "Squarylium photoconductors with noncrystalline bisphenol A binders." This patent describes an aggregate xerographic photoconductor that utilizes light-sensitive squarylium dye combined with a binder made from a mixture of bisphenol molecules, resulting in a noncrystalline, nonpolymeric product. Additionally, he has developed a layered photoconductor that incorporates this generation layer formulation alongside a hole transporting surface layer. Another significant patent is for "Organic photoconductors with improved wear." This invention features an organic photoconductor that consists of a charge generation layer topped with a charge transport layer, which has a higher concentration of charge transport molecules closer to the charge generation layer than in the uppermost portion.

Career Highlights

Throughout his career, Donald A. Stremel has worked with prominent companies in the technology sector. He has been associated with International Business Machines Corporation (IBM) and Lexmark International, Inc. His experience in these organizations has allowed him to contribute to various innovative projects and advancements in the field.

Collaborations

Stremel has collaborated with several talented individuals during his career. Notable coworkers include Robert B. Champ and Meredith David Shattuck, who have also made significant contributions to their respective fields.

Conclusion

Donald A. Stremel's work in the field of photoconductors has led to important advancements and innovations. His patents reflect a deep understanding of materials and processes that enhance the performance of photoconductors. His contributions continue to influence the industry and inspire future innovations.

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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