Location History:
- Tokyo, JP (1998 - 2015)
- Hino, JP (2002 - 2017)
Company Filing History:
4 out of 243 
1 out of 36,771 
Years Active: 1998-2017
Title: Haruyuki Yokota: Innovator in Exhaust Emission Control Technology
Introduction
Haruyuki Yokota is a notable inventor based in Hino, Japan. He has made significant contributions to the field of exhaust emission control technology, holding a total of four patents. His work focuses on improving the efficiency and effectiveness of emission control systems in vehicles.
Latest Patents
Yokota's latest patents include an innovative exhaust emission control device. This device features a selective reduction catalyst that utilizes urea water as a reducing agent. The urea water is added upstream of the reduction catalyst to effectively reduce nitrogen oxides (NOx) in exhaust gases. Additionally, an oxidation catalyst is positioned upstream to adsorb NO at lower temperatures, enhancing the overall efficiency of the system. Another significant patent is his injector control method, which addresses temporary malfunctions of injectors that add urea water into exhaust gas. This method involves a unique passage layout that allows for the temporary suction of urea water to restore injector functionality.
Career Highlights
Throughout his career, Haruyuki Yokota has worked with prominent companies in the automotive industry, including Hino Motors, Ltd. and Toyota Motor Corporation. His experience in these organizations has allowed him to develop and refine his innovative technologies.
Collaborations
Yokota has collaborated with esteemed colleagues such as Masatoshi Shimoda and Toshiaki Kakegawa. Their combined expertise has contributed to the advancement of emission control technologies.
Conclusion
Haruyuki Yokota's contributions to exhaust emission control technology demonstrate his commitment to innovation and environmental sustainability. His patents reflect a deep understanding of automotive engineering and a dedication to improving air quality.