Location History:
- Kanagawa, JP (2005)
- Tokyo, JP (2017)
- Yokohama, JP (1981 - 2021)
Company Filing History:
23 out of 2,560 
3 out of 18 
2 out of 1,023 
Years Active: 1981-2021
Title: Eiji Endoh – Innovator in Polymer Electrolyte Fuel Cells
Introduction
Eiji Endoh, based in Yokohama, Japan, is a prolific inventor with an impressive portfolio of 26 patents. His work primarily focuses on advancing fuel cell technology, specifically through innovations in the production of polymer electrolyte fuel cells. His contributions are significant in enhancing energy efficiency and power generation performance.
Latest Patents
One of Eiji Endoh's latest patents involves a liquid composition and a process for its production, which can be utilized to create a membrane-electrode assembly for polymer electrolyte fuel cells. This innovative electrolyte membrane is crafted from a unique liquid composition that includes trivalent cerium, tetravalent cerium, bivalent manganese, or trivalent manganese combined with a polymer featuring a cation-exchange group. The invention details a process that utilizes water and cerium or manganese carbonates to produce a cast film used as the electrolyte membrane. This pioneering approach enables the membrane-electrode assembly to generate electric power with high energy efficiency, consistent performance, and stability, irrespective of the dew point of the feed gas.
Career Highlights
Eiji Endoh has made notable contributions during his tenure at distinguished companies such as Asahi Glass Company, Limited and Elna Co., Ltd. His innovative spirit and technical expertise have propelled advancements in material sciences and energizing solutions.
Collaborations
Throughout his career, Eiji has collaborated with esteemed colleagues, including Yoshio Oda and Hiroshi Otouma. These partnerships have fostered a collaborative environment that fuels creativity and leads to groundbreaking inventions in the field of energy technologies.
Conclusion
Eiji Endoh stands out as a visionary inventor whose work has significantly impacted the realm of polymer electrolyte fuel cells. His latest patents exemplify his commitment to innovation, showcasing advanced techniques that aim to revolutionize energy generation. As the demand for efficient energy solutions continues to rise, Endoh's contributions pave the way for a sustainable future.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.