Farmington, MN, United States of America

John Leonard Lewin

This inventor holds 1 USPTO granted patent. Top assignee: 3M Innovative Properties Company. Active years: 2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John Leonard Lewin. Retrieved from https://idiyas.com/inventor/john-leonard-lewin

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

Forward Citations = 17(Granted Patents)


Company Filing History:


Years Active: 2003

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1 patent (USPTO):Explore Patents

Title: John Leonard Lewin: Innovator in Membrane Electrode Assembly Technology

Introduction

John Leonard Lewin is a notable inventor based in Farmington, MN (US). He has made significant contributions to the field of electrochemical cells, particularly through his innovative work on membrane electrode assemblies.

Latest Patents

Lewin holds a patent for a membrane electrode assembly that features an annealed polymer electrolyte membrane. This invention includes annealed catalyst layers that are in contact with the annealed polymer electrolyte membrane. The membrane electrode assembly is designed for use in electrochemical cells, such as hydrogen fuel cells, and includes methods of manufacture.

Career Highlights

Lewin is associated with 3M Innovative Properties Company, where he has been instrumental in advancing technologies related to fuel cells and electrochemical systems. His work has contributed to the development of more efficient energy solutions.

Collaborations

Some of his notable coworkers include Steven Joseph Hamrock and Shane Shanhong Mao, who have collaborated with him on various projects within the company.

Conclusion

John Leonard Lewin's contributions to the field of membrane electrode assemblies highlight his role as an innovator in energy technology. His patent and work at 3M Innovative Properties Company reflect his commitment to advancing sustainable energy solutions.

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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