Gyeonggi-do, South Korea

Sung-Il Lee

This inventor holds 1 USPTO granted patent. Top assignee: Korea Institute of Science and Technology. Active years: 2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sung-Il Lee. Retrieved from https://idiyas.com/inventor/sung-il-lee-4r7xij5b

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 7.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 2016

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1 patent (USPTO):Explore Patents

Title: Innovations in Fuel Cell Technology: The Contributions of Sung-Il Lee

Introduction

Sung-Il Lee, an accomplished inventor based in Gyeonggi-do, South Korea, has made significant strides in the field of solid oxide regenerative fuel cells. With one patent to his name, his work focuses on enhancing the efficiency and stability of fuel cell technology, which is essential for sustainable energy solutions.

Latest Patents

Sung-Il Lee's notable patent is titled "Metal separator for solid oxide regenerative fuel cell coated with conductive spinel oxide film, method for producing the same and solid oxide regenerative fuel cell including the same." This innovative metal separator is designed to be coated with a conductive spinel oxide film, which includes yttrium added to a manganese-cobalt spinel oxide. This enhancement effectively suppresses the growth of an insulating oxide film and mitigates metal volatilization. Consequently, the metal separator remains protected when the solid oxide regenerative fuel cell operates at elevated temperatures, preventing potential electrode poisoning and thereby improving the overall stability of the fuel cell stack.

Career Highlights

Sung-Il Lee is associated with the Korea Institute of Science and Technology, a prominent research institution known for its commitment to advancing technological innovations. His research and inventions have gained recognition within the scientific community, underscoring his role as a pivotal figure in fuel cell technology advancement.

Collaborations

Throughout his career, Sung-Il Lee has collaborated with esteemed colleagues, including Ji-Won Son and Jong Ho Lee. Together, they have contributed to the ongoing research and development within their field, striving to create more efficient energy solutions.

Conclusion

Sung-Il Lee exemplifies the spirit of innovation in the realm of fuel cell technology. His patented advancements not only contribute to the scientific community but also pave the way for more sustainable energy practices. As industries seek more efficient energy solutions, inventors like Sung-Il Lee play an essential role in shaping the future of technology.

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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