Handa, Japan

Masahiro Shirai

This inventor holds 2 USPTO granted patents. Top assignee: Sango Co., Ltd.. Active years: 2019-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahiro Shirai. Retrieved from https://idiyas.com/inventor/masahiro-shirai-u7oh6fz7

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 5.5

ph-index = 1

Forward Citations = 9(Granted Patents)


Location History:

  • Handa, JP (2019)
  • Miyoshi, JP (2020)

Company Filing History:


Years Active: 2019-2020

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2 patents (USPTO):Explore Patents

Title: Masahiro Shirai: Innovator in Exhaust Heat Recovery Technology

Introduction

Masahiro Shirai is a prominent inventor based in Handa, Japan. He has made significant contributions to the field of automotive technology, particularly in the area of exhaust heat recovery systems. With a total of 2 patents to his name, Shirai's work focuses on enhancing the efficiency of vehicles through innovative heat exchanger designs.

Latest Patents

Shirai's latest patents include an "Exhaust heat recovery apparatus for automobiles" and a "Heat exchanger." The heat exchanger is designed to comprise a plurality of heat exchange segments juxtaposed in a housing. It features a plug member that is connected fluid-tightly to the housing, supporting the heat exchange segments to provide a coolant or cooling medium passage in each gap between adjacent segments. Each heat exchange segment includes a case with an opening only on one surface, which is plugged fluid-tightly by the plug member. Additionally, a guide member, such as a fin, is accommodated in the case, allowing gas flow in a predetermined direction through a series of passages.

Career Highlights

Shirai has established himself as a key figure in the automotive industry through his innovative designs and patents. His work has contributed to advancements in vehicle efficiency and performance, making him a valuable asset to his company.

Collaborations

Shirai collaborates with notable colleagues, including Kazunari Matsuura and Keiichi Koshin. Their combined expertise fosters a creative environment that drives innovation in their projects.

Conclusion

Masahiro Shirai's contributions to exhaust heat recovery technology exemplify his commitment to improving automotive efficiency. His innovative patents and collaborations with talented coworkers highlight his role as a leading inventor 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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