Location History:
- Saitama, JP (2012)
- Wako, JP (2012)
- Sumida-ku, JP (2017)
Company Filing History:
Years Active: 2012-2017
Title: Ryohei Ishimaru: Innovator in Fuel Cell Technology
Introduction
Ryohei Ishimaru is a prominent inventor based in Sumida-ku, Japan. He has made significant contributions to the field of fuel cell technology, holding a total of 3 patents. His work focuses on solid polymer electrolyte fuel cells, which are crucial for advancing clean energy solutions.
Latest Patents
Ishimaru's latest patents include innovative designs for solid polymer electrolyte fuel cells. One of his notable inventions is a fuel cell formed by sandwiching a membrane electrode assembly between a first separator and a second separator. This assembly includes a cathode, an anode, and a solid polymer electrolyte membrane interposed between them. The design ensures that the catalyst area of the electrode catalyst layer of the cathode and the electrode catalyst layer of the anode terminates at a position spaced upwardly from the lower ends of the oxygen-containing gas flow field and the fuel gas flow field.
Another significant patent is for a membrane-electrode assembly that utilizes a proton conductive membrane with high proton conductivity, superior heat resistance, and chemical durability. This assembly features an anode on one side of the proton conductive membrane and a cathode on the other side. The proton conductive membrane is a sulfonated polyarylene containing a specific structure that enhances its performance.
Career Highlights
Ryohei Ishimaru is currently employed at Honda Motor Co., Ltd., where he continues to innovate in the field of fuel cell technology. His work has been instrumental in developing more efficient and durable fuel cells, contributing to the advancement of sustainable energy solutions.
Collaborations
Ishimaru has collaborated with notable colleagues, including Nagayuki Kanaoka and Hiroshi Sohma. Their combined expertise has fostered a productive environment for innovation and development in fuel cell technology.
Conclusion
Ryohei Ishimaru's contributions to solid polymer electrolyte fuel cells highlight his role as a key innovator in the field. His patents reflect a commitment to advancing clean energy technologies, making a significant impact on the future of sustainable energy.