Atsuhiro Kawamura

Title: Atsuhiro Kawamura and Advances in Fuel-Cell Electrode Technology.

Introduction

Atsuhiro Kawamura is an inventor associated with Toppan Inc. and based in Kitakatsushika-gun, Japan. His patent work includes an electrode catalyst layer designed for polymer electrolyte fuel cells.

Latest Patents

Kawamura is named on one patent, titled “Electrode Catalyst Layer, Membrane Electrode Assembly, and Polymer Electrolyte Fuel Cell.” The invention addresses material transport and proton conductivity in the electrode catalyst layer, with the aim of supporting strong power-generation performance over time and improving durability.

The disclosed catalyst layer includes a catalyst material, a conductive carrier that supports the catalyst, a polymer electrolyte, and a fibrous material containing nitrogen atoms. The fibrous material makes up at least 1 wt% but less than 12 wt% of the layer. The patent describes this composition for use in a polymer electrolyte fuel cell.

Career Highlights

Kawamura’s documented patent contribution focuses on fuel-cell materials and electrode design. His patent record lists 1 patent.

Collaborations

Kawamura’s listed coworker is Madoka Ozawa. The available information does not specify their roles or the nature of their collaboration.

Conclusion

Atsuhiro Kawamura’s patent highlights a materials-based approach to improving transport, proton conductivity, and durability in polymer electrolyte fuel-cell electrodes.