Kingsport, TN, United States of America

Charles Stewart

This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignee: R.j. Reynolds Tobacco Company. Active years: 2020-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Charles Stewart. Retrieved from https://idiyas.com/inventor/charles-stewart-90irn9bo

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

Calculating rank
USPTO Granted Patents = 2 

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1


Company Filing History:


Years Active: 2020-2023

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2 patents (USPTO):Explore Patents

Title: Innovations of Charles Stewart in Natural Colorants

Introduction

Charles Stewart is an accomplished inventor based in Kingsport, TN (US). He has made significant contributions to the field of natural colorants, particularly through his work with tobacco-derived materials. With a total of 2 patents, Stewart's innovations are paving the way for new applications in dyeing substrates.

Latest Patents

Stewart's latest patents focus on methods for obtaining natural colorants from plant materials, specifically tobacco. These patents detail the processes for extracting colorants using specific enzymes and conditions, such as time, temperature, and pH profiles. The resulting natural colorants can be utilized to dye various substrates through conventional dyeing techniques or unique in situ methods.

Career Highlights

Charles Stewart is currently employed at R.J. Reynolds Tobacco Company, where he continues to develop innovative solutions in the field of colorants. His work has garnered attention for its potential applications in various industries, including textiles and food.

Collaborations

Stewart collaborates with talented individuals such as Ercilia Hernandez Garcia and Robert Owen Bussey, III. These partnerships enhance the research and development efforts at R.J. Reynolds Tobacco Company.

Conclusion

Charles Stewart's contributions to the field of natural colorants demonstrate his innovative spirit and commitment to advancing technology. His work not only highlights the potential of tobacco-derived materials but also opens new avenues for sustainable dyeing practices.

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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