Atsuro Sumiyoshi

Title: Atsuro Sumiyoshi: Innovator in Solid Electrolyte Technology

Introduction

Atsuro Sumiyoshi is a notable inventor based in Ageo, Japan. He has made significant contributions to the field of electrochemical elements, particularly through his innovative work on solid electrolytes. His expertise and creativity have led to the development of a unique gas sensor technology.

Latest Patents

Sumiyoshi holds a patent for a solid electrolyte, electrochemical element, and limiting current type gas sensor. This invention features a solid electrolyte assembly that includes a substrate, a solid electrolyte, and both a first and a second electrode. The solid electrolyte exhibits oxide ion conductivity, while the first electrode, located beneath the solid electrolyte, contains a porous material. Notably, the first electrode has a single oxygen diffusion path that overlaps with the substrate and the solid electrolyte. The relationship between the smallest cross-sectional area of the oxygen diffusion path and the overlapping area of the electrodes is defined by the ratio Sr/Sp, which ranges from 1×10 to 6.9×10.

Career Highlights

Sumiyoshi is associated with Mitsui Mining & Smelting Co., Ltd., where he has been able to apply his innovative ideas in a practical setting. His work has not only advanced the technology in his field but has also contributed to the company's reputation as a leader in electrochemical research.

Collaborations

Throughout his career, Sumiyoshi has collaborated with talented individuals such as Haruki Matsuo and Tokiharu Oyama. These partnerships have fostered an environment of innovation and have led to the successful development of new technologies.

Conclusion

Atsuro Sumiyoshi's contributions to solid electrolyte technology exemplify the impact of innovative thinking in the field of electrochemistry. His patent and collaborative efforts continue to influence advancements in gas sensor technology.