Hiyama-gun, Japan

Saki Izumisawa

This inventor holds 1 USPTO granted patent. Top assignee: Kabushikikaisha Equos Research. Active years: 1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Saki Izumisawa. Retrieved from https://idiyas.com/inventor/saki-izumisawa

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 = 5.0

ph-index = 1

Forward Citations = 34(Granted Patents)


Company Filing History:


Years Active: 1998

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1 patent (USPTO):Explore Patents

Title: Saki Izumisawa: Innovator in Fuel Cell Technology

Introduction

Saki Izumisawa is a notable inventor based in Hiyama-gun, Japan. He has made significant contributions to the field of fuel cell technology, particularly with his innovative designs that enhance the efficiency and functionality of fuel cells. His work is characterized by a commitment to advancing sustainable energy solutions.

Latest Patents

Saki Izumisawa holds a patent for a "Fuel cell power generating apparatus and operation method therefor." This invention involves a fuel cell system that features a polymer electrolyte membrane with an anode and cathode positioned on opposite sides. The apparatus includes an air introduction passage for supplying air to the cathode and an air discharge passage for expelling discharge gas containing reactant water. A unique aspect of this design is the circulation passage that allows for the recirculation of discharge gas back to the cathode, which helps to humidify the electrolyte membrane without the need for external water supply. This innovative approach is particularly suitable for vehicle applications.

Career Highlights

Saki Izumisawa is associated with Kabushikikaisha Equos Research, where he continues to develop and refine his inventions. His work has garnered attention for its potential to improve the efficiency of fuel cells, making them more viable for various applications, including transportation.

Collaborations

Saki has collaborated with notable colleagues such as Norihiro Tomioka and Hiroehi Nakashima. Their combined expertise has contributed to the advancement of fuel cell technologies and the development of innovative solutions in the energy sector.

Conclusion

Saki Izumisawa's contributions to fuel cell technology exemplify the importance of innovation in creating sustainable energy solutions. His patented inventions reflect a deep understanding of the challenges in the field and a commitment to addressing them effectively.

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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