Kiminobu Hirata

Title: Innovations of Kiminobu Hirata: Pioneering Engine Exhaust Purification

Introduction

Kiminobu Hirata, an esteemed inventor located in Ageo, Japan, has made significant contributions to the field of engine exhaust purification. With an impressive portfolio of 20 patents, his work focuses on refining and optimizing technologies that address environmental concerns associated with vehicle emissions.

Latest Patents

Among Hirata's latest innovations are sophisticated devices designed for engine exhaust purification. One notable patent involves an engine exhaust purification device that integrates a selective reduction type NOx catalyst and an oxidation catalyst. This device accurately estimates the NO ratio of exhaust gases using a detailed catalytic reaction model. The model formulates the oxidation reaction of NO and calculates the amount of ammonia adsorbed on the NOx catalyst, enhancing the device's efficiency in reducing harmful emissions.

Another significant patent is an exhaust emission purifying apparatus tailored for engines. This invention maintains a high NOx purification rate by intelligently adjusting the amount of urea aqueous solution injected based on real-time changes in engine conditions and driver actions. By predicting engine operating states, the apparatus ensures optimal performance and compliance with emission standards, even during sudden changes in operating conditions.

Career Highlights

Kiminobu Hirata's professional journey includes pivotal roles in renowned companies such as Nissan Diesel Motor Co., Ltd. and UD Trucks Corporation. His involvement in these organizations has allowed him to apply his innovative thinking and technical expertise, contributing to advancements in vehicle exhaust management technologies.

Collaborations

Throughout his career, Hirata has collaborated with notable individuals, including fellow inventors Nobuhiko Masaki and Hisashi Akagawa. These partnerships have facilitated the sharing of knowledge and ideas, ultimately leading to significant developments in the field of engine technology.

Conclusion

Kiminobu Hirata's dedication to innovation and environmental sustainability through his patents showcases his commitment to creating efficient and effective solutions for engine emissions. His contributions not only reflect individual ingenuity but also highlight the importance of collaboration within the industry, paving the way for a cleaner and more sustainable future in automotive technology.