Tokyo, Japan

Hiroaki Usui

This inventor holds 2 USPTO granted patents and 1 published patent application and 1 EPO patent. Top assignees: Mitsubishi Heavy Industries Compressor Corporation, Vic Tech Co., Ltd.. Active years: 2002-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroaki Usui. Retrieved from https://idiyas.com/inventor/hiroaki-usui-g9b631mf

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

USPTO Granted Patents = 2 

% Patents Active = 100.0

 

Average Co-Inventor Count = 4.4

ph-index = 1

Forward Citations = 11(Granted Patents)


Company Filing History:


Years Active: 2002-2019

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2 patents (USPTO):Explore Patents

Title: Hiroaki Usui: Innovator in Engineering and Materials Science

Introduction

Hiroaki Usui is a prominent inventor based in Tokyo, Japan. He has made significant contributions to engineering and materials science, holding a total of 2 patents. His innovative work focuses on improving systems and processes that enhance efficiency and sustainability.

Latest Patents

Hiroaki Usui's latest patents include a "Connecting piping and steam turbine system" and "Volume reducing agents for expanded polystyrene, methods and apparatus for processing expanded polystyrene using the same." The first patent features a cylindrical main body section with at least one annular rib on the outer circumferential surface, along with a deforming section made from a bellows that can be deformed in both the axis line direction and diameter direction. The second patent introduces a volume reducing agent for processing expanded polystyrene (EPS), which contains a specific combination of plasticizers to enhance the recycling process, resulting in high-quality output of recycled expanded polystyrene (FPS).

Career Highlights

Throughout his career, Hiroaki Usui has worked with notable companies such as Vic Tech Co., Ltd. and Mitsubishi Heavy Industries Compressor Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in technology and materials.

Collaborations

Hiroaki Usui has collaborated with talented individuals in his field, including Jae-Hong Kim and Dong-Hoon Choi. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking inventions.

Conclusion

Hiroaki Usui's contributions to engineering and materials science through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry positively, paving the way for future innovations.

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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