Tokyo, Japan

Ryutaro Yamagata

This inventor holds 11 USPTO granted patents and 11 published patent applications. Top assignee: Nippon Steel Corporation. Active years: 2023-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryutaro Yamagata. Retrieved from https://idiyas.com/inventor/ryutaro-yamagata-0lmkgcss

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

USPTO Granted Patents = 11 

% Patents Active = 81.8

Average Co-Inventor Count = 3.3

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 2023-2026

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11 patents (USPTO):Explore Patents

Title: Innovations of Ryutaro Yamagata in Electrical Steel Technology

Introduction

Ryutaro Yamagata is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of electrical steel technology, holding a total of 11 patents. His work focuses on enhancing the properties of grain-oriented electrical steel sheets, which are crucial for various applications in the electrical industry.

Latest Patents

Yamagata's latest patents include innovations such as the grain-oriented electrical steel sheet, finish annealing-use steel sheet, and annealing separator. He has developed methods for manufacturing these steel sheets that excel in magnetic properties and adhesion of primary coatings to base steel sheets. His patents detail specific characteristics, such as the number density of aluminum concentrated regions and the thickness of anchoring oxide layers, which contribute to the overall performance of the steel sheets.

Career Highlights

Yamagata has built a successful career at Nippon Steel Corporation, where he has been instrumental in advancing electrical steel technology. His expertise in the manufacturing processes and material properties has led to the development of innovative solutions that meet the demands of modern electrical applications.

Collaborations

Throughout his career, Yamagata has collaborated with notable colleagues, including Ichiro Tanaka and Nobusato Morishige. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and expertise in the field of electrical steel.

Conclusion

Ryutaro Yamagata's contributions to electrical steel technology have significantly impacted the industry. His innovative patents and collaborative efforts continue to drive advancements in this essential field.

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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