Nobusuke Kabashima

Title: Nobusuke Kabashima: Innovator in Exhaust Gas Purification Technologies

Introduction

Nobusuke Kabashima is a prominent inventor based in Susono, Japan, known for his significant contributions to the field of exhaust gas purification. With a total of eight patents to his name, Kabashima has developed innovative technologies that enhance the performance and efficiency of catalytic converters.

Latest Patents

Among his latest patents is a catalyst for the purification of exhaust gas. This invention includes a substrate and a catalyst coat layer formed on the substrate's surface, containing catalyst particles. The catalyst coat layer has an average thickness ranging from 25 to 150 μm, with a void fraction of 1.5 to 8.0% by volume. Notably, 60 to 90% of all voids in the catalyst coat layer are high-aspect ratio pores, which have equivalent circle diameters ranging from 2 to 50 μm. These pores exhibit an average aspect ratio ranging from 10 to 50, and a noble metal is supported on the entire catalyst coat layer.

Another significant patent is an exhaust gas purification catalyst that improves warm-up performance while suppressing HC poisoning of a noble metal in rich air-fuel ratio conditions. This catalyst includes a substrate and a catalyst coating layer, which consists of a lower coating layer containing a noble metal and an upper coating layer containing palladium (Pd) and/or platinum (Pt). The upper coating layer is supported on aluminum oxide and its thickness is adjustable to optimize performance.

Career Highlights

Kabashima has worked with notable companies in the automotive industry, including Toyota Motor Corporation and Cataler Corporation. His experience in these organizations has allowed him to refine his expertise in catalytic technologies and contribute to advancements in vehicle emissions control.

Collaborations

Throughout his career, Kabashima has collaborated with esteemed colleagues such as Oji Kuno and Masao Watanabe. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.

Conclusion

Nobusuke Kabashima's work in exhaust gas purification has made a significant impact on the automotive industry. His innovative patents and collaborations highlight his dedication to improving environmental standards through advanced catalytic technologies.