Kanagawa, Japan

Atsuo Sonai

This inventor holds 13 USPTO granted patents and 2 published patent applications, primarily in Fuel Cell Technology. Top assignees: Samsung Sdi Co., Inc., Samsung Electronics Co., Ltd., Sanyo Electric Co., Ltd.. Active years: 1994-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Atsuo Sonai. Retrieved from https://idiyas.com/inventor/atsuo-sonai

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

Calculating rank
USPTO Granted Patents = 13 

% Patents Active = 53.8

Average Co-Inventor Count = 2.6

ph-index = 5

Forward Citations = 207(Granted Patents)


Location History:

  • Yokohama, JP (1994 - 2010)
  • Kanagawa-ken, JP (2011)
  • Kanagawa, JP (2009 - 2012)

Company Filing History:


Years Active: 1994-2012

Loading Chart...
Areas of Expertise:
Electrolyte
Fuel Cell
Membrane Electrode Assembly
Proton Conductive
Polymer Electrolyte
Fuel Cell Stack
Power Generation System
Solid Polymer
Manufacturing Method
Conducting Electrolyte
Fuel Cell System
Polymer Fuel Cell
13 patents (USPTO):Explore Patents

Title: Innovations in Fuel Cell Technology: The Impact of Inventor Atsuo Sonai

Introduction

Atsuo Sonai, an accomplished inventor based in Kanagawa, Japan, has made significant contributions to the field of fuel cell technology with a remarkable portfolio of 13 patents. His innovative designs focus on improving efficiency and effectiveness in energy conversion systems, specifically through solid polymer fuel cells.

Latest Patents

Sonai's latest patents include breakthroughs such as electrolyte for fuel cells, membrane electrode assembly, fuel cell stack, and a comprehensive fuel cell system. Notably, his solid polymer fuel cell stack features a unique layered configuration of multiple cells, fastened securely by end plates and current collectors. Each cell integrates a membrane electrode assembly (MEA) composed of a solid polymer electrolyte membrane, an anode, and a cathode. This innovative design enhances the performance of the fuel cells while utilizing sophisticated materials, such as polybenzimidazole and phosphoric acid, to maximize efficiency and sustain energy output.

Career Highlights

Throughout his career, Atsuo Sonai has worked with several notable companies, including Samsung SDI Co., Inc. and Sanyo Electric Co., Ltd. His experiences at these companies have further refined his expertise in fuel cell technology, allowing him to explore new frontiers in sustainable energy. His patents reflect his commitment to advancing the field and addressing global energy challenges.

Collaborations

Sonai has collaborated with esteemed colleagues such as Kunihiro Nakato and Hiroyuki Nishide. These partnerships have fostered a dynamic environment for innovation, leading to the development of key technologies that are integral to the future of fuel cells and renewable energy solutions.

Conclusion

Atsuo Sonai's contributions to the field of fuel cell technology through his inventive spirit and dedication to research exemplify the importance of innovation in creating sustainable energy solutions. His patents not only highlight his expertise but also pave the way for further advancements in the energy sector, ensuring a brighter and more sustainable future.

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]
Loading…