Seiji Hashimoto

Title: Seiji Hashimoto: Innovator in Engine Control Technology

Introduction

Seiji Hashimoto is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of engine control technology, particularly through his innovative patent. His work is recognized within the automotive industry, where he currently serves at Nissan Motor Company Limited.

Latest Patents

Hashimoto holds a patent for a "Method and device for controlling stopping of engine." This invention addresses the challenges associated with engine temporary stop requests. The method involves reducing the quantity of oxygen stored in a catalytic converter by controlling the in-cylinder air-fuel ratio to be richer than stoichiometric. The quantity of stored oxygen is calculated while the engine operates, and the air-fuel ratio enrichment is adjusted based on this calculation. The throttle valve's opening is reduced in response to the stop request, allowing for a controlled engine stop when specific conditions are met.

Career Highlights

Throughout his career, Seiji Hashimoto has been dedicated to advancing automotive technology. His work at Nissan Motor Company Limited has positioned him as a key player in the development of efficient engine control systems. His innovative approach has led to practical solutions that enhance vehicle performance and environmental sustainability.

Collaborations

Hashimoto collaborates with talented professionals in the automotive field, including his coworker Tomohiro Sakata. Together, they contribute to the ongoing innovation at Nissan, focusing on improving engine efficiency and reducing emissions.

Conclusion

Seiji Hashimoto's contributions to engine control technology exemplify the spirit of innovation in the automotive industry. His patent reflects a commitment to enhancing vehicle performance while addressing environmental concerns. His work continues to influence the future of automotive engineering.