Rayners Lane, United Kingdom

Joanna L Evans

This inventor holds 1 USPTO granted patent. Top assignee: Eastman-Kodak Company. Active years: 2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Joanna L Evans. Retrieved from https://idiyas.com/inventor/joanna-l-evans

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 = 1


Company Filing History:


Years Active: 2002

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1 patent (USPTO):Explore Patents

Title: Innovator Spotlight: Joanna L. Evans

Introduction

Joanna L. Evans, a prominent inventor based in Rayners Lane, Great Britain, has made significant contributions to the realm of photographic technology. With a unique patent to his name, he has shown a commitment to enhancing the efficiency of photographic processes.

Latest Patents

Joanna L. Evans holds a patent titled "Determination of silver in a photographic solution." This innovative method and apparatus allow for the efficient removal of silver ions from photographic fixer solutions. The technique involves measuring the electrical conductivity of the solution, effectively that of the fixer (thiosulphate), and determining the silver ion concentration through a predetermined algorithm applied to the measured electrical potential.

Career Highlights

Evans's inventive endeavors have been instrumental in advancing technologies within the photographic industry. His commitment to research and development led him to work at Eastman Kodak Company, where he has applied his expertise to create solutions that optimize photographic processes.

Collaborations

Throughout his career, Joanna L. Evans has collaborated with talented colleagues, including Stephen J. Edwards and John J. McBride. These partnerships have contributed to innovative breakthroughs and improvements within his field of expertise.

Conclusion

In conclusion, Joanna L. Evans stands out as a knowledgeable inventor whose work continues to influence the field of photography. His patented method for determining silver in photographic solutions has set a benchmark for efficiency and innovation, demonstrating the importance of ongoing research and collaboration in technological advancements.

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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