Yoshichika Horikawa

Title: Innovations of Yoshichika Horikawa in Exhaust Gas Purification

Introduction

Yoshichika Horikawa is a notable inventor based in Okayama, Japan. He has made significant contributions to the field of exhaust gas purification, holding a total of 7 patents. His work focuses on developing composite oxides that enhance the efficiency of catalysts used in diesel engine exhaust systems.

Latest Patents

Horikawa's latest patents include a composite oxide for exhaust gas purification catalysts, a method for manufacturing the same, a coating material for exhaust gas purification catalysts, and a filter for diesel exhaust gas purification. The composite oxide he developed is designed to burn particulate matter (PM) in diesel engine exhaust at low temperatures while exhibiting excellent sulfur desorption properties. The composition includes elements such as Cerium (Ce), Bismuth (Bi), Praseodymium (Pr), and others in specific molar ratios, ensuring optimal performance at elevated temperatures. This innovation is particularly effective when R is Zirconium (Zr), allowing the catalyst to recover its activity even at low temperatures.

Career Highlights

Throughout his career, Horikawa has worked with prominent companies such as Dowa Mining Co., Ltd. and Dowa Electronics Materials Co., Ltd. His expertise in materials science and engineering has led to advancements in the field of exhaust gas purification, making significant strides in reducing emissions from diesel engines.

Collaborations

Horikawa has collaborated with esteemed colleagues, including Seiichi Hisano and Kazuhisa Saito. Their combined efforts have contributed to the development of innovative solutions in exhaust gas purification technologies.

Conclusion

Yoshichika Horikawa's contributions to the field of exhaust gas purification through his innovative patents and collaborations have made a lasting impact on environmental technology. His work continues to pave the way for cleaner and more efficient diesel engine systems.