Keiiti Yamamoto

Title: Keiiti Yamamoto: Innovator in Air-Fuel Ratio Control Technology

Introduction

Keiiti Yamamoto is a notable inventor based in Okazaki, Japan. He has made significant contributions to the field of internal combustion engine technology. His innovative work focuses on enhancing the efficiency and performance of air-fuel ratio control systems.

Latest Patents

Yamamoto holds a patent for an "Air-fuel ratio control circuit for an internal combustion engine." This invention comprises a low-pass filter, a hysteresis type comparator, and a delay timer. The circuit processes output signals from an exhaust gas sensor through the low-pass filter to the comparator and then to the delay timer. A pulse motor, which controls the air-fuel ratio, is driven at high speeds for a specified period determined by the delay timer. The motor operates in either forward or reverse direction based on the comparator's output, ensuring optimal performance of the internal combustion engine. He has 1 patent to his name.

Career Highlights

Yamamoto is associated with Aisan Kogyo Kabushiki Kaisha, a company known for its advancements in automotive technology. His work has contributed to the development of more efficient engine systems, showcasing his expertise in the field.

Collaborations

Throughout his career, Yamamoto has collaborated with notable colleagues, including Masaaki Nomura and Yukihiro Watanabe. These partnerships have fostered innovation and have been instrumental in the success of various projects.

Conclusion

Keiiti Yamamoto's contributions to air-fuel ratio control technology highlight his role as a key innovator in the automotive industry. His patent reflects a commitment to improving engine efficiency and performance.