Nagaokakyo, Japan

Ryoichi Yamagata

This inventor holds 1 USPTO granted patent. Top assignees: Murata Manufacturing Co., Ltd., National Institute of Advanced Industrial Science and Technology. Active years: 2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryoichi Yamagata. Retrieved from https://idiyas.com/inventor/ryoichi-yamagata

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 = 5.0

ph-index = 1


Company Filing History:


Years Active: 2025

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1 patent (USPTO):Explore Patents

Title: Ryoichi Yamagata: Innovator in Magnet Technology

Introduction

Ryoichi Yamagata is a notable inventor based in Nagaokakyo, Japan. He has made significant contributions to the field of magnet technology, particularly with his innovative work on Sm—Fe—N-based magnet powders and sintered magnets. His research has implications for various applications in electronics and materials science.

Latest Patents

Ryoichi Yamagata holds a patent for a Sm—Fe—N-based magnet powder, which includes a Sm—Fe—N-based magnetic material powder. The average particle size of this powder is not larger than 5 μm. Additionally, the full width at half maximum of a diffraction peak of a (220) plane in an X-ray diffraction profile of the magnetic material powder is not larger than 0.0033 Å. He also developed a Sm—Fe—N-based sintered magnet that features a sintered body of a Sm—Fe—N-based magnetic material, with an average grain size of crystal grains not larger than 5 μm and the same diffraction peak specifications.

Career Highlights

Throughout his career, Ryoichi Yamagata has worked with esteemed organizations such as the National Institute of Advanced Industrial Science and Technology and Murata Manufacturing Co., Ltd. His work in these institutions has allowed him to advance his research and contribute to the development of innovative magnetic materials.

Collaborations

Ryoichi has collaborated with notable colleagues, including Kenta Takagi and Wataru Yamaguchi. Their joint efforts have furthered the understanding and application of advanced magnetic technologies.

Conclusion

Ryoichi Yamagata's contributions to the field of magnet technology, particularly through his patented innovations, highlight his role as a significant inventor in this domain. His work continues to influence advancements in materials science and engineering.

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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