Katsuhiko Kohyama

Title: Innovations of Katsuhiko Kohyama

Introduction

Katsuhiko Kohyama is a notable inventor based in Tsurugashima, Japan. He has made significant contributions to the field of fuel cell technology, holding a total of 13 patents. His work focuses on simplifying the assembly and enhancing the functionality of fuel cells.

Latest Patents

One of his latest patents is a fuel cell with a protruded gas diffusion layer. This innovation effectively simplifies the assembling operation of a fuel cell. With a simple and economical structure, the desired sealing function is achieved. The fuel cell includes a membrane electrode assembly and first and second metal separators that sandwich the membrane electrode assembly. Connection channels are provided on the first metal separator, connecting the oxygen-containing gas supply passage and the oxygen-containing gas discharge passage to the oxygen-containing gas flow field. The membrane electrode assembly has first overlapping portions that overlap on the connection channels for sealing. These first overlapping portions effectively comprise a gas diffusion layer. Another significant patent is the fuel cell stack, which features a coolant inlet manifold for coolant supply passages attached to an end plate of the fuel cell stack. Pillars are provided on at least one end of the coolant inlet manifold in a longitudinal direction, fitting into through holes formed in the end plate and connecting to a manifold body and a connector.

Career Highlights

Katsuhiko Kohyama has worked with prominent companies in the automotive and technology sectors, including Honda Motor Co., Ltd. and Honda Giken Kogyo Kabushiki Kaisha. His experience in these organizations has contributed to his expertise in fuel cell technology and innovation.

Collaborations

Throughout his career, Kohyama has collaborated with talented individuals such as Hiroshi Shinkai and Narutoshi Sugita. These collaborations have likely enriched his work and led to further advancements in his field.

Conclusion

Katsuhiko Kohyama's contributions to fuel cell technology demonstrate his innovative spirit and commitment to advancing energy solutions. His patents reflect a deep understanding of the complexities involved in fuel cell design and functionality.