Mitsuhiro Akagi

Title: Mitsuhiro Akagi: Innovator in Internal Combustion Engine Technology

Introduction

Mitsuhiro Akagi is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of internal combustion engine technology, holding a total of 13 patents. His work focuses on enhancing engine performance and efficiency, particularly in relation to turbocharged engines and exhaust gas recirculation systems.

Latest Patents

One of Akagi's latest patents is a control method and control device for spark-ignition internal combustion engines equipped with turbochargers and exhaust gas recirculation devices. This innovation allows the engine to maintain a stoichiometric air-fuel ratio even under high-load conditions, including maximum-output operation points. By utilizing intake air information such as atmospheric pressure and outside air temperature, the system calculates intake air density and adjusts the exhaust gas recirculation rate accordingly. This adjustment enables higher maximum output when exhaust gas recirculation is minimized at high-altitude locations.

Another notable patent involves a control method for internal combustion engines transitioning from high load to low load in a non-turbocharged region. This method optimizes valve overlap between the intake and exhaust valves during the transition, ensuring smoother operation and improved efficiency.

Career Highlights

Mitsuhiro Akagi has worked with notable companies in the automotive industry, including Nissan Motor Company Limited and Nissan Motor Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative technologies, contributing to advancements in engine design and performance.

Collaborations

Throughout his career, Akagi has collaborated with esteemed colleagues such as Hitoshi Ishii and Katsuaki Uchiyama. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and the development of cutting-edge technologies.

Conclusion

Mitsuhiro Akagi's contributions to internal combustion engine technology have made a significant impact on the automotive industry. His innovative patents and collaborative efforts with industry professionals continue to drive advancements in engine performance and efficiency.