Ibaraki, Japan

Hiroyuki Takeya

This inventor holds 2 USPTO granted patents. Top assignee: Iowa State University Research Foundation Inc.. Active years: 1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Takeya. Retrieved from https://idiyas.com/inventor/hiroyuki-takeya

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 2

Forward Citations = 23(Granted Patents)


Company Filing History:


Years Active: 1995

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2 patents (USPTO):Explore Patents

Title: Hiroyuki Takeya: Innovator in Magnetic Refrigeration

Introduction

Hiroyuki Takeya is a prominent inventor based in Ibaraki, Japan. He has made significant contributions to the field of magnetic refrigeration, focusing on innovative materials and thermodynamic cycles. With a total of 2 patents, Takeya's work is paving the way for advancements in energy-efficient cooling technologies.

Latest Patents

Takeya's latest patents include groundbreaking developments in magnetic refrigerants. One of his notable inventions is the "Lanthanide Al-Ni base Ericsson cycle magnetic refrigerants." This magnetic refrigerant utilizes DyAlNi and (Gd.sub.0.54 Er.sub.0.46)AlNi alloys, which maintain a relatively constant temperature change over a wide range. Another significant patent is the "Ternary Dy-Er-Al magnetic refrigerants," which comprises (Dy.sub.1-x Er.sub.x)Al.sub.2. This material is designed for magnetic refrigerators using the Joule-Brayton thermodynamic cycle, operating effectively from about 60K to 10K, with adjustable properties based on the Dy to Er ratio.

Career Highlights

Hiroyuki Takeya is affiliated with the Iowa State University Research Foundation, Inc., where he continues to explore innovative solutions in magnetic refrigeration. His research is instrumental in developing more efficient cooling systems that could have a substantial impact on energy consumption.

Collaborations

Takeya collaborates with Karl A Gschneidner, Jr., a fellow researcher known for his expertise in the field. Their partnership enhances the research and development of advanced magnetic refrigerants.

Conclusion

Hiroyuki Takeya's contributions to magnetic refrigeration demonstrate his commitment to innovation and energy efficiency. His patents reflect a deep understanding of materials science and thermodynamics, positioning him as a key figure in this evolving 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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