Echizen, Japan

Harukazu Maegawa

This inventor holds 14 USPTO granted patents and 3 published patent applications and 12 EPO patents. Top assignees: Shin-Etsu Chemical Co., Ltd., Shin-Etsu Chemical C O., Ltd.. Active years: 2014-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Harukazu Maegawa. Retrieved from https://idiyas.com/inventor/harukazu-maegawa

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

USPTO Granted Patents = 14 

% Patents Active = 100.0

 

Average Co-Inventor Count = 3.3

ph-index = 1

Forward Citations = 5(Granted Patents)


Company Filing History:


Years Active: 2014-2022

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14 patents (USPTO):Explore Patents

Title: **The Innovations of Harukazu Maegawa: A Pioneer in Rare-Earth Magnet Technology**

Introduction

Harukazu Maegawa, an esteemed inventor based in Echizen, Japan, has made significant contributions to the field of rare-earth magnet technology. With an impressive portfolio of 14 patents, his work has greatly influenced advancements in this vital area of modern materials science.

Latest Patents

Among Maegawa's latest inventions is a method for producing rare-earth magnets, which includes a unique rare-earth-compound application device. This innovative device utilizes a coating tank with a net belt passage opening. A slurry made from a rare-earth-compound powder is continuously supplied to the coating tank, causing it to overflow. Sintered magnet bodies are placed on a net belt conveyor, enabling efficient horizontal conveyance through the slurry. This process ensures that the rare-earth-compound powder is uniformly applied to the surfaces of the magnet bodies, with the subsequent drying phase further refining the coating application. Furthermore, Maegawa’s patented method involves heating the sintered magnet bodies before slurry application. This technique enhances absorption of rare-earth elements during the heat treatment process, demonstrating his commitment to operational efficiency and uniformity in coating applications.

Career Highlights

Throughout his career, Harukazu Maegawa has worked with leading organizations, including Shin-Etsu Chemical Co., Ltd., where he focused on the development and enhancement of rare-earth materials. His tenure at such prominent companies has honed his expertise and innovation in creating sophisticated technological solutions in the field of magnet production.

Collaborations

Maegawa has collaborated with notable individuals such as Yukihiro Kuribayashi and Shogo Kamiya. These collaborations have played an essential role in pushing the boundaries of research and development in rare-earth magnet technologies. The combination of their skills and shared insights has allowed for groundbreaking advancements in the industry.

Conclusion

Harukazu Maegawa stands out as a prominent inventor and innovator within the realm of rare-earth magnet technology. His dedication to enhancing production methods and the development of innovative devices has significantly impacted how rare-earth magnets are manufactured today. With 14 patents to his name, Maegawa's work will likely continue to inspire future innovations in this critical sector.

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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