Location History:
- Aki-gun, JP (2017)
- Hiroshima, JP (2019 - 2021)
Company Filing History:
Years Active: 2017-2021
Title: Shigeru Nakagawa: Innovator in In-Cylinder Pressure Sensor Technology
Introduction
Shigeru Nakagawa is a prominent inventor based in Hiroshima, Japan. He has made significant contributions to the field of automotive technology, particularly in the development of in-cylinder pressure sensors. With a total of 7 patents to his name, Nakagawa's work has advanced the understanding and functionality of engine diagnostics.
Latest Patents
Among his latest innovations is the "Abnormality Diagnosis Device for In-Cylinder Pressure Sensor." This device performs a performance determination based on electric signals from the sensor. It includes a first determination phase, a performance recovery phase to remove deposits in the combustion chamber, and a second determination phase to diagnose the sensor's performance quality. If the sensor's performance falls below a reference value, it is diagnosed as abnormal.
Another notable patent is the "Failure Diagnosis Device for In-Cylinder Pressure Sensor." This device comprises an in-cylinder pressure sensor and an engine controller that executes a diagnosis module. The module reads the sensor's signal within a specific crank angle range and determines if the sensor has failed based on the timing of the signal in relation to a reference phase.
Career Highlights
Shigeru Nakagawa has worked with Mazda Motor Corporation, where he has applied his expertise in sensor technology to enhance engine performance and reliability. His contributions have been instrumental in developing advanced diagnostic tools for automotive applications.
Collaborations
Throughout his career, Nakagawa has collaborated with notable colleagues, including Takuji Okumura and Shoji Fujiwara. These partnerships have fostered innovation and have led to the successful development of various technologies in the automotive sector.
Conclusion
Shigeru Nakagawa's work in the field of in-cylinder pressure sensors exemplifies the impact of innovative thinking in automotive technology. His patents reflect a commitment to improving engine diagnostics and performance, making him a key figure in this specialized area.