Shigeru Sakamoto

Title: Shigeru Sakamoto: Fuel Cell and Membrane Electrode Assembly Patents

Introduction

Shigeru Sakamoto is an inventor associated with Yokohama, Japan. His patent work includes fuel cell technologies and membrane electrode assemblies. He is credited with 4 patents.

Latest Patents

One of Sakamoto’s latest patents concerns a membrane electrode assembly for a fuel cell. It describes anode and cathode gas diffusion layers, each comprising a gas diffusion substrate and a microporous layer. The invention specifies that the strike-through ratio on the back surface of at least one substrate is greater than 0.2%.

Another patent describes a fuel cell built around a plate-like cell containing a solid polymer electrolyte membrane, an anode, and a cathode, with separators on both sides. Its catalyst layers include porous carbon with micropores and an ion-exchange resin; at least some of the carbon supports a catalytic metal, such as platinum. The patent identifies carbide-derived carbon with micropores of 1 nanometer or less as a preferred material.

Career Highlights

Sakamoto’s listed professional affiliations include JX Nippon Oil Energy Corporation and Fujitsu Corporation. His patent portfolio reflects work on components and materials used in fuel cell systems.

Collaborations

Sakamoto’s listed coworkers include Hirofumi Takami and Kouji Matsuoka. Their names are associated with his professional and patent-related work.

Conclusion

Shigeru Sakamoto’s four patents include innovations in membrane electrode assemblies and fuel cell design, highlighting his contributions to fuel cell materials and components.