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For the Inventor, By the Inventor

Pohang, South Korea

Mun-Soo Lee

This inventor holds 4 USPTO granted patents and 1 published patent application. Top assignees: Posco, Posco Co., Ltd. Active years: 2025-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mun-Soo Lee. Retrieved from https://idiyas.com/inventor/mun-soo-lee-ufbljee7

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

USPTO Granted Patents = 4 

% Patents Active = 100.0

Average Co-Inventor Count = 2.9

ph-index = 1


Company Filing History:

goldMedal2 out of 706 
 
Posco
 patents
silverMedal2 out of 255 
 
Posco Co., Ltd
 patents

Years Active: 2025-2026

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4 patents (USPTO):Explore Patents
1. 12686900 - Ferritic stainless steel having improved corrosion resistance, and method for manufacturing same (2026-07-21),
2. 12618128 - Stainless steel for separator of polymer fuel cell having excellent corrosion resistance (2026-05-05),
3. 12312648 - Hot-rolled steel sheet with excellent low-temperature impact toughness and manufacturing method therefor (2025-05-27),
4. 12286696 - Hot rolled and unannealed ferritic stainless steel sheet having excellent impact toughness, and manufacturing method therefor (2025-04-29),

Title: Mun-Soo Lee: Innovator in Corrosion-Resistant Stainless Steel

Introduction

Mun-Soo Lee is a prominent inventor based in Pohang, South Korea. He has made significant contributions to the field of materials science, particularly in the development of corrosion-resistant stainless steels. With a total of 4 patents to his name, his work has implications for various industrial applications.

Latest Patents

Lee's latest patents include innovative advancements in stainless steel formulations. One of his notable patents is for a ferritic stainless steel that boasts improved corrosion resistance. This steel composition includes specific percentages of carbon, nitrogen, silicon, manganese, chromium, titanium, and niobium, ensuring a microdefect area ratio of 2% or less. Another significant patent focuses on stainless steel designed for separators in polymer fuel cells, which demonstrates excellent corrosion resistance in sulfuric acid environments. This formulation includes precise amounts of carbon, silicon, manganese, sulfur, chromium, nickel, tungsten, and nitrogen, achieving a corrosion resistance index of 7 or more.

Career Highlights

Throughout his career, Mun-Soo Lee has worked with notable companies, including Posco Co., Ltd. and Posco. His experience in these organizations has allowed him to refine his expertise in materials engineering and contribute to groundbreaking innovations in stainless steel technology.

Collaborations

Lee has collaborated with esteemed colleagues such as Jung Hyun Kong and Bo-Sung Seo. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and advancements in their respective fields.

Conclusion

Mun-Soo Lee's contributions to the development of corrosion-resistant stainless steels highlight his innovative spirit and dedication to advancing materials science. His patents reflect a commitment to improving industrial applications and enhancing the performance of materials in challenging environments.

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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