Kobe, Japan

Hajime Hirakawa

This inventor holds 3 USPTO granted patents, plus 1 CIPO patent. Top assignees: Kawasaki Jukogyo Kabushiki Kaisha, Kawasaki Jukogyo Kabushiki. Active years: 1999-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hajime Hirakawa. Retrieved from https://idiyas.com/inventor/hajime-hirakawa

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


% Patents Active = 100.0


Average Co-Inventor Count = 6.6

ph-index = 2

Forward Citations = 19(Granted Patents)


Company Filing History:


Years Active: 1999-2003

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3 patents (USPTO):Explore Patents

Title: Hajime Hirakawa: Innovator in Aircraft Engine Technology

Introduction

Hajime Hirakawa is a notable inventor based in Kobe, Japan. He has made significant contributions to the field of aircraft engine technology, holding three patents to his name. His innovative designs focus on enhancing the efficiency and functionality of aircraft engine run-up hangars.

Latest Patents

One of Hirakawa's latest patents is for an aircraft engine run-up hangar. This invention comprises a building that defines a test chamber capable of receiving an aircraft. The design includes an air inlet structure formed at the front end of the roof, along with an exhaust structure connected to the rear end of the building. The exhaust passage extends obliquely upward from the back end, allowing for efficient airflow management. Additionally, the hangar features current deflecting members near the air inlet to direct air currents toward the aircraft housed within. A current-straightening structure is also incorporated, which includes multiple current-straightening members positioned strategically within the current-straightening space.

Career Highlights

Hirakawa has worked with prominent companies, including Kawasaki Heavy Industries, which has allowed him to develop his expertise in aircraft technology. His experience in these organizations has contributed to his innovative approach to aircraft engine design.

Collaborations

Throughout his career, Hirakawa has collaborated with talented individuals such as Kazuyuki Akimoto and Takayuki Satomi. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in the aviation sector.

Conclusion

Hajime Hirakawa's contributions to aircraft engine technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the aviation industry positively.

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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