Hideki Uema

Title: Innovations by Hideki Uema in Catalyst Diagnosis Systems

Introduction

Hideki Uema is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of automotive technology, particularly in the diagnosis of catalyst deterioration in internal combustion engines. With a total of 4 patents to his name, Uema's work has been instrumental in enhancing vehicle performance and emissions control.

Latest Patents

One of Uema's latest patents is a catalyst deterioration diagnosis system for internal combustion engines. This system features a catalytic converter and includes two air-fuel ratio sensors positioned upstream and downstream of the converter. The control unit connected to these sensors performs air-fuel ratio feedback control based on the output signals, allowing for accurate diagnosis of catalyst deterioration. Another significant patent is the catalyst degradation diagnosing apparatus for air-fuel ratio control. This invention reliably diagnoses catalyst degradation without being influenced by engine operating conditions, utilizing outputs from both upstream and downstream sensors to determine the catalyst's state.

Career Highlights

Hideki Uema is currently employed at Nissan Motor Company Limited, where he continues to innovate in automotive technologies. His work focuses on improving the efficiency and reliability of internal combustion engines, contributing to the company's reputation for quality and performance.

Collaborations

Uema has collaborated with notable colleagues such as Masaaki Uchida and Yuki Nakajima. Their combined expertise has fostered advancements in automotive technology and has led to the successful development of innovative diagnostic systems.

Conclusion

Hideki Uema's contributions to catalyst diagnosis systems exemplify the importance of innovation in the automotive industry. His patents reflect a commitment to improving engine performance and environmental sustainability.