Itami, Japan

Yoichi Nagai

This inventor holds 1 USPTO granted patent. Top assignee: Sumitomo Electric Industries, Limited. Active years: 1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoichi Nagai. Retrieved from https://idiyas.com/inventor/yoichi-nagai-fx8y65qt

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 = 5.0

ph-index = 1

Forward Citations = 30(Granted Patents)


Company Filing History:


Years Active: 1999

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1 patent (USPTO):Explore Patents

Title: Yoichi Nagai: Innovator in Diesel Engine Technology

Introduction

Yoichi Nagai is a prominent inventor based in Itami, Japan. He is known for his innovative contributions to diesel engine technology, particularly in the development of particulate traps. His work has significantly impacted the efficiency and effectiveness of diesel engines in reducing harmful emissions.

Latest Patents

Nagai holds a patent for a particulate trap designed for use with diesel engines. This trap boasts high particulate trapping capacity and regenerating capacity while maintaining a low pressure drop. It is compact and cost-effective, featuring a filter element made of multiple tapered filter members constructed from heat-resistant metal fibers. The unique design allows for increased particulate trapping area without enlarging the overall size of the trap.

Career Highlights

Yoichi Nagai is associated with Sumitomo Electric Industries, Limited, where he has made significant strides in engineering and innovation. His work has been instrumental in advancing technologies that contribute to cleaner diesel engine operations.

Collaborations

Nagai has collaborated with notable colleagues, including Syunsuke Ban and Tomohiko Ihara, to further enhance the development of innovative solutions in the field of diesel engine technology.

Conclusion

Yoichi Nagai's contributions to the field of diesel engine technology through his patented particulate trap exemplify his commitment to innovation and environmental sustainability. His work continues to influence the industry and pave the way for future advancements.

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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