Henley on Thames, United Kingdom

Stephen B Mitchell

This inventor holds 2 USPTO granted patents. Top assignee: Johnson Matthey Public Limited Company. Active years: 1990-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Stephen B Mitchell. Retrieved from https://idiyas.com/inventor/stephen-b-mitchell

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 = 3.0

ph-index = 2

Forward Citations = 160(Granted Patents)


Location History:

  • Henley on Thames, GB (1990)
  • Cardiff, GB (1995)

Company Filing History:


Years Active: 1990-1995

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2 patents (USPTO):Explore Patents

Title: The Innovations of Stephen B. Mitchell: Pioneering Antimicrobial Compositions

Introduction: Stephen B. Mitchell is a notable inventor based in Henley on Thames, Great Britain. With a focus on antimicrobial technology, he holds two patents that contribute to healthcare and materials science. His work emphasizes the importance of innovation in enhancing safety and efficacy in various applications.

Latest Patents: Stephen's latest patents are centered around antimicrobial compositions. The first patent details an antimicrobial composition for topical use or for incorporation into coatings and structural materials. This composition includes an antimicrobial silver compound, specifically silver chloride, which is deposited on a physiologically inert oxidic synthetic particulate support material. A preferred support material is titania featuring crystalline forms such as anatase, rutile, and brookite. The second patent reiterates a similar theme, again focusing on antimicrobial silver compounds for similar applications, underscoring Stephen's commitment to advancing antimicrobial technologies.

Career Highlights: Currently, Stephen B. Mitchell is associated with Johnson Matthey Public Limited Company, a leading specialty chemicals company. His role within the organization enables him to develop and innovate in the realm of antimicrobial solutions, supporting the company's mission to create sustainable technologies.

Collaborations: Throughout his career, Stephen has collaborated with esteemed colleagues, including Neil Edwards and Allin Sidney Pratt. These collaborations not only enhance the research and development aspect of his work but also foster an environment of innovation and knowledge sharing within the industry.

Conclusion: Stephen B. Mitchell's contributions to the field of antimicrobial compositions exemplify the critical role of inventors in advancing technology for public health and material safety. His patents reflect a profound understanding of the science behind antimicrobial agents and their applications. As he continues his work with Johnson Matthey, we can anticipate further innovative solutions emerging from his endeavors.

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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