Osaka, Japan

Keita Fujisaki

This inventor holds 2 USPTO granted patents and 1 EPO patent. Top assignee: Yanmar Holdings Co., Ltd.. Active years: 2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keita Fujisaki. Retrieved from https://idiyas.com/inventor/keita-fujisaki

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 = 6.0

ph-index = 1


Company Filing History:


Years Active: 2025

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2 patents (USPTO):Explore Patents

Title: Keita Fujisaki: Innovator in Exhaust Purification Technology

Introduction

Keita Fujisaki is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of exhaust purification technology, holding a total of 2 patents. His work focuses on improving the efficiency and effectiveness of systems designed to reduce harmful emissions from engines.

Latest Patents

Fujisaki's latest patents include an exhaust purification apparatus and a reducer supply device. The exhaust purification apparatus is designed to enhance the stirring property of urea water and effectively cool an injection device. This apparatus purifies nitrogen oxides in exhaust gas through a catalyst reactor that reduces these harmful emissions. It features an exhaust pipe for the flow of exhaust gas, a through pipe that penetrates the exhaust pipe, and an injection device that introduces a reducing agent into the exhaust system.

The reducer supply device aims to provide a compact solution with excellent maintainability. It consists of a nozzle unit that adjusts the flow rate of the reducer supplied to a NOx purification catalyst device, along with a pump unit that delivers the reducer to the nozzle unit. The design strategically offsets the nozzle unit and pump unit in top view for optimal functionality.

Career Highlights

Keita Fujisaki is currently employed at Yanmar Holdings Co., Ltd., where he continues to innovate in the field of exhaust purification. His work is instrumental in developing technologies that contribute to cleaner air and reduced environmental impact.

Collaborations

Fujisaki collaborates with talented coworkers, including Yohei Kamata and Tsuyoshi Inoue, who contribute to the advancement of their projects and innovations.

Conclusion

Keita Fujisaki's contributions to exhaust purification technology reflect his commitment to innovation and environmental sustainability. His patents demonstrate a clear focus on improving engine efficiency and reducing emissions, making a significant impact in the field.

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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