Yokosuka, Japan

Hajime Kokusyo

This inventor holds 1 USPTO granted patent. Top assignee: Nissan Motor Company Limited. Active years: 2004.

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

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 = 4.0

ph-index = 1

Forward Citations = 5(Granted Patents)


Company Filing History:


Years Active: 2004

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1 patent (USPTO):Explore Patents

Title: Hajime Kokusyo: Innovator in Diesel Engine Technology

Introduction

Hajime Kokusyo is a notable inventor based in Yokosuka, Japan. He has made significant contributions to the field of diesel engine technology, particularly in the area of exhaust gas purification. His innovative approach aims to enhance the performance of nitrogen oxides (NOx) reduction in diesel engines.

Latest Patents

Hajime Kokusyo holds a patent for an "Exhaust gas purification device and method for diesel engine." This invention involves an additional fuel injection immediately after the main fuel injection. By implementing this additional fuel injection, hydrogen (H) is supplied to a NOx trap catalyst, which improves the overall efficiency of NOx reduction.

Career Highlights

Kokusyo is currently employed at Nissan Motor Company Limited, where he continues to develop and refine technologies that contribute to cleaner diesel engine performance. His work is pivotal in addressing environmental concerns associated with diesel emissions.

Collaborations

Hajime Kokusyo has collaborated with esteemed colleagues such as Yasuhisa Kitahara and Hiroaki Kaneko. Their combined expertise has fostered advancements in diesel engine technology and exhaust gas purification methods.

Conclusion

Hajime Kokusyo's innovative contributions to diesel engine technology exemplify the importance of research and development in creating more efficient and environmentally friendly solutions. His work continues to influence the automotive 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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