Yokohama, Japan

Emi Kawasumi

This inventor holds 4 USPTO granted patents and 1 EPO patent. Top assignee: Nissan Motor Company Limited. Active years: 2003-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Emi Kawasumi. Retrieved from https://idiyas.com/inventor/emi-kawasumi

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


% Patents Active = 25.0

 

Average Co-Inventor Count = 2.2

ph-index = 3

Forward Citations = 34(Granted Patents)


Location History:

  • Kanagawa-ken, JP (2003)
  • Yokohama, JP (2003 - 2006)

Company Filing History:


Years Active: 2003-2006

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4 patents (USPTO):Explore Patents

Title: Emi Kawasumi: Innovator in Fuel Cell Technology

Introduction

Emi Kawasumi is a prominent inventor based in Yokohama, Japan. She has made significant contributions to the field of fuel cell technology, holding a total of 4 patents. Her work focuses on enhancing the efficiency and functionality of fuel cell systems, which are crucial for sustainable energy solutions.

Latest Patents

One of her latest patents is a fuel cell system designed to perform simple control of the warm-up time of the reformer. This innovative system includes a reformer that generates reformate gas and a fuel cell that produces power from the oxidizing agent and the reformate gas supplied. The system is equipped with a temperature sensor that detects the temperature immediately before starting or restarting the reformer. A controller estimates the warm-up time based on the detected temperature, improving the overall efficiency of the fuel cell system.

Another notable patent is the fuel cell drive system, which supplies high-temperature reducing gas to a reforming catalyst and a CO removal catalyst from a start-up combustor. This design eliminates the need for an additional device to supply reducing gas, allowing for simultaneous heat supply required for the reaction. These advancements showcase her commitment to innovation in fuel cell technology.

Career Highlights

Emi Kawasumi is currently employed at Nissan Motor Company Limited, where she continues to develop cutting-edge technologies in the automotive sector. Her work at Nissan has positioned her as a key player in the advancement of fuel cell systems, contributing to the company's efforts in sustainable transportation.

Collaborations

Throughout her career, Kawasumi has collaborated with notable colleagues, including Yasukazu Iwasaki and Hiroyuki Ichikawa. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Emi Kawasumi is a trailblazer in the field of fuel cell technology, with a focus on improving system efficiency and functionality. Her contributions through her patents and work at Nissan Motor Company Limited highlight her dedication to advancing sustainable energy solutions.

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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