Takuji Okumura

Title: **Takuji Okumura: Innovator in In-Cylinder Pressure Sensor Technology**

Introduction

Takuji Okumura is an exemplary inventor based in Kure, Japan, known for his significant contributions to automotive technology. With a total of six patents to his name, his work predominantly focuses on improving the functionality and reliability of in-cylinder pressure sensors. His inventions have played a critical role in enhancing engine diagnostics and performance.

Latest Patents

Among his latest innovations are two notable patents:

1. **Abnormality Diagnosis Device for In-Cylinder Pressure Sensor**

This device is designed to assess the performance of in-cylinder pressure sensors by analyzing electric signals. It incorporates a performance determination feature that evaluates the sensor's quality at specified intervals. Additionally, the device enables performance recovery through depositing removal control, ensuring that contaminants within the combustion chamber do not hinder sensor operation. A second assessment is conducted post-recovery to confirm the sensor's condition.

2. **Failure Diagnosis Device for In-Cylinder Pressure Sensor**

This invention focuses on diagnosing sensor failures by utilizing an in-cylinder pressure sensor in conjunction with an engine controller. The controller analyzes the sensor's output within a specific crank angle range and identifies potential failures when the signal indicates a delay that exceeds a predefined threshold in relation to a determined reference phase. This innovation is vital for ensuring the optimal performance of internal combustion engines.

Career Highlights

Takuji Okumura is currently employed at Mazda Motor Corporation, where he continues to develop cutting-edge technologies related to automotive performance. His career has been characterized by a commitment to enhancing engine efficiency and reliability through innovative sensor solutions.

Collaborations

Throughout his career, Takuji has collaborated with esteemed colleagues such as Yuichiro Tsumura and Daisuke Tanaka. Their combined efforts and expertise have significantly contributed to advancements in automotive technology and diagnostic systems.

Conclusion

Takuji Okumura’s contributions to the field of in-cylinder pressure sensors highlight the importance of innovation in automotive technology. His patents provide substantial advancements in diagnostics, ensuring that engines operate efficiently and reliably. As he continues to work at Mazda Motor Corporation, the future of internal combustion engine performance looks promising with his ongoing contributions.