Isamu Hagino

Title: Isamu Hagino: A Pioneer in Air-Fuel Ratio Control Technologies

Introduction

Isamu Hagino, an innovative inventor based in Aichi, Japan, has made significant contributions to the field of internal combustion engine technology. With a total of three patents to his name, his work primarily focuses on air-fuel ratio control apparatuses and devices, showcasing his commitment to enhancing engine performance and efficiency.

Latest Patents

Hagino's latest inventions include two notable patents pertaining to air-fuel ratio control systems. The first patent, titled "Air-fuel ratio control apparatus of an internal combustion engine," introduces a unique integration means designed to assess the concentration of specific exhaust gas components. This integration signal improves the control of the air-fuel ratio by dynamically adjusting it based on rich or lean signals detected during engine operation.

The second patent, "Air-fuel ratio control device of an internal combustion engine," encompasses a control device featuring a carburetor with an air bleed passage and an electromagnetic control valve. This system utilizes signals from an oxygen concentration detector in the exhaust passage to maintain the air-fuel mixture at the optimal stoichiometric ratio, ensuring efficient engine performance during both normal operation and vehicle deceleration.

Career Highlights

Isamu Hagino is associated with Toyota Jidosha Kogyo Kabushiki Kaisha (commonly known as Toyota), where his expertise significantly contributes to the innovative spirit of the company. His inventions reflect a deep understanding of internal combustion engine dynamics and a dedication to improving fuel efficiency and reducing emissions.

Collaborations

Throughout his career, Hagino has collaborated with esteemed coworkers such as Norikatsu Ishikawa and Haruyuki Obata. Their joint efforts have facilitated advancements in automotive technologies, paving the way for enhanced performance and sustainability in modern vehicles.

Conclusion

Isamu Hagino's contributions to the field of air-fuel ratio control technologies exemplify the critical role of inventors in shaping the automotive industry. With his inventive spirit and groundbreaking patents, he continues to influence the development of more efficient and environmentally friendly engines, securing his place as a significant figure in the realm of automotive innovation.