Osaka, Japan

Hirohiko Nobuhara

This inventor holds 3 USPTO granted patents and 2 EPO patents. Top assignees: Yanmar Co., Ltd., Yanmar Power Technology Co., Inc.. Active years: 2020-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirohiko Nobuhara. Retrieved from https://idiyas.com/inventor/hirohiko-nobuhara

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


% Patents Active = 66.7

 

Average Co-Inventor Count = 2.5

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 2020-2022

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3 patents (USPTO):Explore Patents

Title: Hirohiko Nobuhara: Innovator in Heat Pump Technology

Introduction

Hirohiko Nobuhara is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of heat pump technology, holding a total of 3 patents. His innovative designs have improved the efficiency and functionality of heat pumps, making them more user-friendly and effective.

Latest Patents

Nobuhara's latest patents include a groundbreaking design for a heat pump that features a gas-side stop valve and a liquid-side stop valve within the outdoor unit package. This design incorporates a gas-side filter and a liquid-side filter mounted on the indoor unit side, enhancing workability during installation. Another notable patent describes an exemplary heat pump that includes a compressor, an oil separator, and a control device that optimizes compressor output based on pressure readings. These innovations reflect his commitment to advancing heat pump technology.

Career Highlights

Throughout his career, Nobuhara has worked with esteemed companies such as Yanmar Co., Ltd. and Yanmar Power Technology Co., Inc. His experience in these organizations has allowed him to develop and refine his innovative ideas in heat pump technology.

Collaborations

Nobuhara has collaborated with talented individuals in his field, including Norihiro Okuda and Hirotoshi Kihara. These partnerships have contributed to the successful development of his patented technologies.

Conclusion

Hirohiko Nobuhara is a distinguished inventor whose work in heat pump technology has made a lasting impact. His innovative patents and collaborations highlight his dedication to improving energy efficiency and functionality in heating systems.

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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