Company Filing History:
Years Active: 2011-2019
Title: **Innovations of Yozo Okuyama: A Pioneer in Fuel Cell Technology**
Introduction
Yozo Okuyama is a notable inventor based in Yokosuka, Japan, who has made significant contributions to the field of fuel cell technology. With a total of five patents to his name, Okuyama's work focuses on enhancing the efficiency and performance of polymer electrolyte fuel cells, an area with critical implications for clean energy solutions.
Latest Patents
Okuyama's most recent patents exhibit his expertise in the development of microporous layer sheets for fuel cells. His innovation in this area includes a microporous layer sheet characterized by at least two microporous layers stacked on a gas diffusion layer substrate. This design incorporates a combination of carbon material and binder, with a unique feature where the binder content in the first layer adjacent to the gas diffusion layer substrate is minimized compared to the other layers. This configuration aims to improve both gas permeability and drainage performance without sacrificing structural strength, thereby enhancing fuel cell efficiency.
Another significant patent involves a gas diffusion layer for fuel cells, which consists of a substrate topped with a microporous layer containing both granular carbon and scale-like graphite. This microporous layer is designed to form a concentrated belt-like region of graphite, which is crucial for balancing resistance to dry-out and flooding—two competing challenges in fuel cell operation.
Career Highlights
Yozo Okuyama is currently employed at Nissan Motor Company Limited, a globally recognized leader in automotive innovation. His role within the company reinforces Nissan's commitment to advancing fuel cell technology as a viable source of clean energy.
Collaborations
Throughout his career, Okuyama has collaborated with esteemed colleagues, including Shigemasa Kuwata and Kazufumi Kodama. These collaborations highlight the importance of teamwork in driving technological advancements in the competitive landscape of fuel cell research and development.
Conclusion
Yozo Okuyama's contributions to fuel cell technology through his innovative patents position him as a key figure in the quest for sustainable energy solutions. His work not only enhances the performance of fuel cells but also exemplifies the collaborative spirit within the research community. As advancements in this field continue to unfold, Okuyama's inventions will likely play a crucial role in shaping the future of clean energy technologies.