Company Filing History:
Years Active: 2013
Title: Atsuhiko Onuma: Innovator in Polymer Electrolyte Fuel Cells
Introduction
Atsuhiko Onuma is a notable inventor based in Hitachi, Japan. He has made significant contributions to the field of fuel cell technology, particularly through his innovative work on polymer electrolyte membranes.
Latest Patents
Onuma holds a patent for a polymer electrolyte membrane, as well as a membrane electrode assembly and polymer electrolyte fuel cell utilizing this technology. The patent describes a fuel cell design that minimizes the increase in ion conduction resistance and reduces deterioration of the polymer electrolyte membrane. Specifically, the invention features a first membrane and a second membrane composed of polymer electrolytes with differing ion-exchange capacities. The first membrane has a surface area equal to or larger than that of an anode or cathode, while the second membrane, which is smaller, is positioned in the gas inflow region in contact with the cathode. This innovative design enhances the performance and longevity of the fuel cell.
Career Highlights
Atsuhiko Onuma is associated with Hitachi, Ltd., a leading company in technology and innovation. His work has been instrumental in advancing fuel cell technology, contributing to more efficient energy solutions.
Collaborations
Onuma has collaborated with notable colleagues, including Jun Kawaji and Shuichi Suzuki, to further enhance the development of fuel cell technologies.
Conclusion
Atsuhiko Onuma's contributions to polymer electrolyte fuel cells exemplify the innovative spirit of modern engineering. His work continues to influence advancements in energy technology, paving the way for more sustainable solutions.