This inventor holds 8 USPTO granted patents and 8 published patent applications and 2 EPO patents. Top assignees: Toppan Printing Co., Ltd., Toppan Inc., Hirosaki University. Active years: 2011-2026.
Company Filing History:
6 out of 1,269 
2 out of 171 
1 out of 39 Years Active: 2011-2026
Title: The Innovative Contributions of Madoka Ozawa
Introduction
Madoka Ozawa is a prominent inventor based in Tokyo, Japan. She has made significant contributions to the field of polymer electrolyte fuel cells, holding a total of 8 patents. Her work focuses on enhancing the efficiency and durability of fuel cell technology, which is crucial for sustainable energy solutions.
Latest Patents
Ozawa's latest patents include a catalyst layer for polymer electrolyte fuel cells, a membrane-electrode assembly, and a polymer electrolyte fuel cell. The catalyst layer is designed to improve drainage and gas diffusion while reducing the occurrence of cracking. It enhances catalyst utilization efficiency, resulting in high output power and energy conversion efficiency. The catalyst layer comprises a catalyst, carbon particles, a polymer electrolyte, and a fibrous material, with voids strategically incorporated to optimize performance. The membrane-electrode assembly features a polyelectrolyte membrane and electrocatalyst layers that work together to facilitate efficient energy conversion.
Career Highlights
Throughout her career, Ozawa has worked with notable organizations such as Toppan Printing Co., Ltd. and Hirosaki University. Her experience in these institutions has allowed her to collaborate on innovative projects that push the boundaries of fuel cell technology.
Collaborations
Some of her notable coworkers include Tadatoshi Maeda and Junichi Kaminaga. Their collaborative efforts have contributed to the advancement of research in the field of polymer electrolyte fuel cells.
Conclusion
Madoka Ozawa's innovative work in the development of polymer electrolyte fuel cells showcases her dedication to advancing sustainable energy technologies. Her patents reflect her commitment to improving efficiency and durability in this critical area of research.