Location History:
- Showa-Machi, Nemuro City, Hokkaido, JP (1978 - 1980)
- Nisshin, JP (2004 - 2007)
- Brussels, BE (2013)
- Nagoya, JP (2001 - 2023)
- Aichi, JP (2009 - 2023)
Company Filing History:
14 out of 36,771 
8 out of 4,146 
3 out of 657 
Years Active: 1978-2023
Title: Hisao Kato: Innovator in Fuel Cell Technology
Introduction
Hisao Kato is an accomplished inventor based in Nagoya, Japan, with a remarkable portfolio of 22 patents to his name. His innovative work primarily focuses on advancements in membrane assembly electrode (MEA) technology, specifically in the realm of fuel cells. Kato's contributions have significantly enhanced the performance and durability of these energy systems, supporting the advancement of clean energy technologies.
Latest Patents
One of Kato's latest patents involves an ionic liquid designed to enhance the performance and durability of membrane assembly electrodes (MEA). This dimeric ionic liquid comprises 1,1-(butane-1,4-diyl)bis(9-methyl-3,4,6,7,8,9-hexahydro-2H-pyrimido[1,2-a]pyrimidin-1-ium 1,1,2,2,3,3,4,4,4-nonafluorobutane-1-sulfonate), which plays a vital role in improving the effectiveness of fuel cell catalysts. Furthermore, Kato has developed a protonated version of the dimeric ionic liquid, which also enhances MEA performance, consisting of 9'9′-(butane-1,4-diyl)bis(3,4,6,7,8,9-hexahydro-2H-pyrimido[1,2-a]pyrimidin-1-ium) 1,1,2,2,3,3,4,4,4-nonafluorobutane-1-sulfonate. Both patents highlight the innovative approach Kato has taken towards improving polymer electrolyte membrane fuel cells (PEMFCs).
Career Highlights
Kato has held notable positions in esteemed organizations, including Toyota Jidosha Kabushiki Kaisha and Toyota Motor Engineering & Manufacturing North America, Inc. His experience in these companies has provided him with invaluable insights into automotive and energy technologies, which he has applied in his research and development of fuel cell technologies.
Collaborations
Throughout his career, Kato has collaborated with talented colleagues such as Hongfei Jia and Kan Huang. These partnerships have fostered a collaborative environment for innovation and have significantly contributed to the advancements made in the field of fuel cells.
Conclusion
Hisao Kato's contributions to the field of fuel cell technology through his inventive patents and collaborations illustrate his commitment to advancing clean energy solutions. With a strong track record of innovation, Kato continues to play an essential role in enhancing the efficiency and effectiveness of energy systems for the future.