Shimizu, Japan

Hiroaki Tsuboe

This inventor holds 4 USPTO granted patents. Top assignees: Hitachi, Ltd., Hitachi Air Conditioning Systems Co., Ltd., Hitachi, Ltd., Trustee, for the Benefit of Hitachi Air Conditioning Systems Co., Ltd.. Active years: 2002-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroaki Tsuboe. Retrieved from https://idiyas.com/inventor/hiroaki-tsuboe-p770pxa9

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


% Patents Active = 75.0

Average Co-Inventor Count = 4.0

ph-index = 3

Forward Citations = 35(Granted Patents)


Company Filing History:


Years Active: 2002-2006

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4 patents (USPTO):Explore Patents

Title: The Innovations of Hiroaki Tsuboe

Introduction

Hiroaki Tsuboe is a notable inventor based in Shimizu, Japan. He has made significant contributions to the field of refrigeration technology, holding a total of four patents. His work has been instrumental in advancing the efficiency and functionality of refrigerating devices.

Latest Patents

Among his latest innovations is a refrigerating device that features a refrigerating cycle with multiple compressors driven by motors. This device includes a variable speed compressor that can be controlled in capacity, as well as a constant speed compressor. The constant speed compressor is powered by a motor with a rotor core that comprises a cage-type conductor and permanent magnets. This innovative design enhances the performance and energy efficiency of refrigeration systems.

Career Highlights

Hiroaki Tsuboe has had a distinguished career, working with prominent companies such as Hitachi, Ltd. and Hitachi Air Conditioning Systems Co., Ltd. His experience in these organizations has allowed him to develop and refine his inventions, contributing to the advancement of refrigeration technology.

Collaborations

Throughout his career, Tsuboe has collaborated with esteemed colleagues, including Susumu Nakayama and Akira Saruta. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in the refrigeration sector.

Conclusion

Hiroaki Tsuboe's contributions to refrigeration technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry, showcasing the importance of innovation in enhancing energy efficiency and functionality in refrigerating devices.

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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