Tokyo, Japan

Hiroyuki Nakaharai

This inventor holds 15 USPTO granted patents and 4 published patent applications, plus 1 CIPO patent and 3 EPO patents. Top assignees: Mitsubishi Heavy Industries Limited, Mitsubishi Hitachi Power Systems, Ltd.. Active years: 2018-2026.

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

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

USPTO Granted Patents = 15 

% Patents Active = 93.3


 

Average Co-Inventor Count = 7.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 2018-2026

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15 patents (USPTO):Explore Patents

Title: Innovations of Hiroyuki Nakaharai

Introduction

Hiroyuki Nakaharai is a prominent inventor based in Tokyo, Japan. He holds a total of 12 patents, showcasing his significant contributions to the field of engineering and technology. His work primarily focuses on heat exchangers, which are crucial components in various industrial applications.

Latest Patents

Among his latest patents are innovative designs for heat exchangers. One notable patent describes a heat exchanger core that includes a plurality of internal passages and a header passage communicating with these passages. The inner wall of the header passage features greater surface roughness than the walls of the internal passages, enhancing its efficiency. Another patent outlines a heat exchanger designed for heat exchange between two fluids, featuring an additive manufactured body that includes distinct passages for each fluid. This design also incorporates a covering part that protects the openings of these passages, ensuring optimal performance.

Career Highlights

Hiroyuki Nakaharai has had a distinguished career, working with leading companies in the industry. He has been associated with Mitsubishi Heavy Industries Limited and Mitsubishi Hitachi Power Systems, Ltd., where he has contributed to various innovative projects and advancements in technology.

Collaborations

Throughout his career, Nakaharai has collaborated with notable colleagues, including Koichi Tanimoto and Nobuhide Hara. These partnerships have fostered a creative environment that has led to significant technological advancements.

Conclusion

Hiroyuki Nakaharai's contributions to the field of heat exchangers and his impressive portfolio of patents highlight his role as a leading inventor in Japan. His innovative designs continue to influence the industry and pave the way for future advancements.

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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