Keiji Matsumoto

Title: Keiji Matsumoto: Innovator in Reducing Gas Sensors

Introduction

Keiji Matsumoto is a notable inventor based in Ibaragi, Japan. He is recognized for his contributions to the field of gas sensing technology. His innovative work has led to the development of a highly sensitive reducing gas sensor.

Latest Patents

Matsumoto holds a patent for a reducing gas sensor and a method of producing the same. This invention features a gas-sensitive element made of gamma-ferric oxide (γ-Fe₂O₃), along with a pair of electrodes and a heater element. The gamma-ferric oxide is utilized in various forms, including a thin film, a plate, or a thin surface layer on a sintered plate of alpha-ferric oxide (α-Fe₂O₃). The method of producing this sensor involves firing γ-Fe₂O₃, γ-FeOOH, or Fe₃O₄ powder on a substrate and applying electrodes and a heater element. The sensor demonstrates high sensitivity and stability, particularly in an atmosphere containing 0.1 to 1 percent by volume propane gas.

Career Highlights

Matsumoto is associated with Matsushita Electric Industrial Co., Ltd., where he has made significant advancements in sensor technology. His work has contributed to the enhancement of gas detection systems, which are crucial in various industrial applications.

Collaborations

Throughout his career, Matsumoto has collaborated with notable colleagues, including Toshihiro Mihara and Kunio Sato. These collaborations have fostered innovation and development in the field of gas sensors.

Conclusion

Keiji Matsumoto's contributions to reducing gas sensor technology highlight his role as an influential inventor. His patented innovations continue to impact the industry positively.