Hirosuke Sumida

Title: **Innovations by Hirosuke Sumida: A Trailblazer in Engine Technology**

Introduction

Hirosuke Sumida, an accomplished inventor from Hiroshima, Japan, has made significant contributions to engine technology through his innovative designs. With a remarkable portfolio of five patents, his work primarily focuses on enhancing engine performance and environmental sustainability.

Latest Patents

Sumida's recent patents include a revolutionary particulate filter designed for engine exhaust systems. This filter is adept at trapping particulate matter released from engines, ensuring cleaner emissions. It features a porous partition wall that defines multiple exhaust gas channels. A key element of the design is a catalyst layer made from a Zr-based composite oxide containing zirconium and a non-cerium rare-earth metal. The carefully calibrated composition improves PM burning rates, facilitating fuel efficiency in engines equipped with post-injection control mechanisms.

Another notable patent developed by Sumida comprises a composition for adsorption treatment. This invention provides an easy-to-handle adsorbing substance that effectively reacts with targeted components in moist conditions. The innovative method allows for the production of grains without sacrificing adsorption capability. His advancements promise to enhance air-cleaning technologies through effective filtration devices and treatment methods.

Career Highlights

Hirosuke Sumida carries his expertise as an inventor at Mazda Motor Corporation, where his innovative spirit thrives. His dedication to improving automotive technology has placed him at the forefront of research and development within the company. Through relentless pursuit of excellence, Sumida has positioned himself as a critical player in the engineering community.

Collaborations

Throughout his career, Sumida has collaborated with renowned colleagues such as Akihide Takami and Kenji Okamoto. These partnerships have fostered an environment of creativity and innovation, leading to groundbreaking advancements in automotive solutions. Together, they have strengthened the impact of inventions at Mazda Motor Corporation.

Conclusion

Hirosuke Sumida exemplifies the spirit of innovation in the automotive industry. His latest patents reflect a commitment to enhancing engine efficiency and reducing environmental impact. With each new invention, he continues to leave a lasting mark on the future of engine technology.