Tokyo, Japan

Hiroyuki Kiyonaga

This inventor holds 4 USPTO granted patents and 2 published patent applications. Top assignee: Mitsubishi Electric Corporation. Active years: 2024-2026.

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

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

Calculating rank
USPTO Granted Patents = 4 

% Patents Active = 50.0

Average Co-Inventor Count = 4.5

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 2024-2026

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4 patents (USPTO):Explore Patents

Title: Innovations of Hiroyuki Kiyonaga

Introduction

Hiroyuki Kiyonaga is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of power conversion devices, holding two patents that showcase his innovative approach to electronic components and cooling systems.

Latest Patents

Kiyonaga's latest patents include a power conversion device that features an electronic component, multiple printed boards, and cooling bodies. The first patent describes a device where the second cooling body extends from a second principal surface toward the first principal surface of the first printed board. The third cooling body also extends similarly, enhancing the device's efficiency. His second patent further elaborates on a power conversion device that includes a first insulating member and a first joint portion for wiring, ensuring optimal performance and safety.

Career Highlights

Kiyonaga is currently employed at Mitsubishi Electric Corporation, a leading company in the electronics industry. His work focuses on developing advanced technologies that improve power conversion efficiency and reliability.

Collaborations

Throughout his career, Kiyonaga has collaborated with talented coworkers such as Kenta Fujii and Yuji Shirakata. Their combined expertise has contributed to the successful development of innovative technologies in their field.

Conclusion

Hiroyuki Kiyonaga's contributions to power conversion technology reflect his dedication to innovation and excellence. His patents demonstrate a commitment to advancing electronic systems, making a significant impact in the industry.

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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