Sumio Kato

Title: Sumio Kato: Innovator in Exhaust Gas Purification Technology

Introduction

Sumio Kato is a prominent inventor based in Akita, Japan. He has made significant contributions to the field of exhaust gas purification, holding a total of 4 patents. His innovative work focuses on developing catalysts that enhance the efficiency of exhaust gas purification systems.

Latest Patents

Kato's latest patents include a delafossite-type oxide for exhaust gas purification catalysts. This invention relates to a copper-based delafossite-type oxide that operates effectively as an exhaust gas purification catalyst. The technology involves placing copper in a high catalytic activity low-valence state, resulting in a novel oxide that exhibits higher activity than previous versions. Another significant patent is an exhaust gas purification catalyst that utilizes the aforementioned delafossite-type oxide, which improves purification performance compared to using the oxide alone.

Career Highlights

Sumio Kato is currently employed at Mitsui Mining & Smelting Company, Ltd. His work at this company has allowed him to focus on advancing technologies that contribute to environmental sustainability. Kato's inventions are crucial in addressing the challenges posed by exhaust emissions in various industries.

Collaborations

Kato has collaborated with notable colleagues, including Masataka Ogasawara and Hironori Iwakura. These partnerships have fostered a collaborative environment that enhances innovation and research in the field of exhaust gas purification.

Conclusion

Sumio Kato's contributions to exhaust gas purification technology demonstrate his commitment to innovation and environmental sustainability. His patents reflect a deep understanding of catalytic processes and their applications in reducing harmful emissions.