Masaya Hanzawa

Title: **Innovative Contributions of Masaya Hanzawa in Exhaust Gas Purification**

Introduction

Masaya Hanzawa, an accomplished inventor based in Tokoname, Japan, has made significant contributions to the field of exhaust gas purification. With a total of three patents to his name, his work primarily focuses on developing catalysts that enhance the efficiency of lean burn engines. His innovative approach aims to reduce harmful emissions, making a vital impact on environmental sustainability and automotive technology.

Latest Patents

Hanzawa's most recent patents demonstrate his commitment to advancing exhaust gas purification technologies. One notable invention is an **exhaust gas purification catalyst for lean burn engines**. This catalyst is designed to achieve significant nitrogen oxides (NOx) purification performance. It features a catalyst component comprising noble metal and ceria, supported on a three-dimensional structure. The catalyst's specifications reveal a supported amount of ceria ranging from 140 to 300 g/L, constituting 50% to 98% by mass of the whole coated amount. Additionally, it is characterized by a catalyst layer where at least 50% by mass of ceria is incorporated alongside noble metal, ensuring efficient performance.

Another innovative patent is the **NOx storage reduction catalyst for purifying exhaust gas and the associated exhaust gas purification method**. This invention focuses on effectively removing harmful components such as carbon monoxide (CO), hydrocarbons (HC), and primarily nitrogen oxides (NOx) from exhaust emissions. The catalyst utilizes a complex oxide of strontium and cerium, which can adsorb a minimal volume of oxygen in a 400°C atmosphere, and it undergoes sintering of the precursor at temperatures of 300°C or above. This unique combination enhances the catalyst's ability to purify exhaust gas efficiently.

Career Highlights

Masaya Hanzawa currently works with Umicore Shokubai Japan Co., Ltd., a company renowned for its innovation in catalyst technologies. His expertise and dedication in the field are reflected in his impactful inventions, positioning him as a key player in the automotive environmental sector. Over the years, Hanzawa has gained recognition for his innovative spirit and technical know-how.

Collaborations

A testament to his collaborative nature, Hanzawa works alongside esteemed colleagues such as Takahiro Umeno and Yoshiyuki Hayashi. Their combined expertise fosters a creative environment, allowing for groundbreaking developments in exhaust gas purification technologies that can lead to a cleaner and more sustainable future.

Conclusion

Masaya Hanzawa's inventions stand at the forefront of exhaust gas purification innovation, showcasing his significant contributions to reducing harmful emissions. His latest patents not only address current environmental challenges but also pave the way for future advancements in automotive technology. With a proactive approach and a strong collaborative spirit, Hanzawa continues to make strides in promoting sustainability through innovative engineering solutions.