Tokyo, Japan

Masanao Seo

This inventor holds 4 USPTO granted patents, plus 3 CIPO patents and 3 EPO patents. Top assignees: Nippon Steel Sumitomo Metal Corporation, Nippon Steel Corporation. Active years: 2016-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masanao Seo. Retrieved from https://idiyas.com/inventor/masanao-seo

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 = 2.9

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:


Years Active: 2016-2019

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4 patents (USPTO):Explore Patents

Title: Masanao Seo: Innovator in Steel Technology

Introduction

Masanao Seo is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced steel compositions for oil and gas applications. With a total of 4 patents to his name, Seo's work has had a substantial impact on the industry.

Latest Patents

Seo's latest patents include innovative solutions for steel used in oil country tubular goods. One of his notable inventions is a steel composition that includes specific percentages of carbon, silicon, manganese, aluminum, molybdenum, phosphorus, sulfur, oxygen, nitrogen, and iron. This steel is designed to meet stringent requirements for yield strength and microstructure. Another significant patent focuses on stainless steel for oil wells, which boasts excellent high-temperature corrosion resistance while maintaining a strength of not less than 758 MPa. This stainless steel composition includes a carefully balanced mix of elements, ensuring durability and reliability in challenging environments.

Career Highlights

Throughout his career, Masanao Seo has worked with leading companies in the steel industry, including Nippon Steel & Sumitomo Metal Corporation and Nippon Steel Corporation. His expertise in materials science has positioned him as a key figure in the development of innovative steel products.

Collaborations

Seo has collaborated with notable colleagues such as Tomohiko Omura and Yuji Arai. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and advancements in steel technology.

Conclusion

Masanao Seo's contributions to the field of steel technology exemplify the importance of innovation in meeting the demands of the oil and gas industry. His patents reflect a commitment to enhancing material performance and safety.

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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