Kitakyushu, Japan

Toyohiko Konno

This inventor holds 4 USPTO granted patents. Top assignee: Nippon Steel Corporation. Active years: 1986-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toyohiko Konno. Retrieved from https://idiyas.com/inventor/toyohiko-konno

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 = 4.1

ph-index = 4

Forward Citations = 33(Granted Patents)


Company Filing History:


Years Active: 1986-1992

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4 patents (USPTO):Explore Patents

Title: Innovations of Toyohiko Konno: A Pioneer in Electrical Steel Technology

Introduction

Toyohiko Konno, based in Kitakyushu, Japan, is an esteemed inventor known for his cutting-edge contributions to the field of electrical steel manufacturing. With four patents to his name, Konno has made significant advancements that enhance the magnetic properties of electrical steel sheets, crucial in various applications ranging from electrical machinery to transformers.

Latest Patents

Konno's latest patents showcase his innovative approach to producing high-quality oriented electrical steel sheets. One notable patent outlines a method that involves hot rolling a specific slab composition consisting of silicon and aluminum, followed by cold rolling, primary-recrystallization annealing, and a nitriding treatment. This method enhances magnetic properties by carefully controlling the oxidizing atmosphere during the annealing process.

Another remarkable patent focuses on a novel approach to producing grain-oriented electrical steel sheets. Instead of using traditional inhibitors, Konno introduces an innovative (Al, Si)N inhibitor, which is formed through nitriding an annealed steel sheet. This method significantly increases magnetic flux density, thus improving the performance of electrical steel in various industrial applications.

Career Highlights

Throughout his career, Toyohiko Konno has remained a key figure at Nippon Steel Corporation, where he has dedicated his expertise to advancing electrical steel production techniques. His contributions have not only improved product quality but also fostered greater efficiency in manufacturing processes.

Collaborations

Konno has collaborated with notable colleagues such as Yozo Suga and Hajime Komatsu, who share his commitment to innovation in the steel industry. Together, they have worked on projects that push the boundaries of current technology, ensuring that Nippon Steel Corporation remains at the forefront of advancements in electrical materials.

Conclusion

In conclusion, Toyohiko Konno's contributions to the field of electrical steel manufacturing highlight his inventive spirit and dedication to innovation. With a focus on enhancing the magnetic properties of steel sheets, Konno continues to influence the industry through his patented methods and collaborative projects. His work stands as a testament to the ongoing evolution of materials science in the modern era.

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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