Masato Ujino

Title: Masato Ujino: Innovator in Air-Fuel Ratio Sensor Technology

Introduction

Masato Ujino is a notable inventor based in Toyota, Japan. He has made significant contributions to the field of automotive technology, particularly in the area of air-fuel ratio sensors. His innovative work has led to the development of a patented system that enhances vehicle emissions control.

Latest Patents

Ujino holds a patent for a "Double air-fuel ratio sensor system having improved exhaust emission." This invention involves a double air-fuel sensor system that includes two air-fuel ratio sensors positioned upstream and downstream of a catalyst converter in the exhaust gas passage. The system calculates an air-fuel ratio correction amount based on the outputs of both sensors, allowing for the determination of the actual air-fuel ratio. The correction amount is maintained within a predetermined range, and if it reaches the maximum or minimum value, the calculation from the downstream sensor is prohibited.

Career Highlights

Masato Ujino is associated with Toyota Jidosha Kabushiki Kaisha, a leading automotive manufacturer. His work at Toyota has been instrumental in advancing technologies that improve vehicle performance and reduce emissions. Ujino's innovative approach has positioned him as a key figure in the development of efficient automotive systems.

Collaborations

Ujino has collaborated with notable colleagues, including Atsuo Okumura and Takashi Kawase. Their combined expertise has contributed to the successful development of advanced automotive technologies.

Conclusion

Masato Ujino's contributions to air-fuel ratio sensor technology exemplify the importance of innovation in the automotive industry. His patented system not only enhances vehicle performance but also plays a crucial role in reducing harmful emissions. Ujino's work continues to influence the future of automotive engineering.