Location History:
- Obu, JP (1999 - 2010)
- Kariya, JP (2011)
Company Filing History:
Years Active: 1999-2011
Title: Masahiko Yamaguchi: Innovator in Automotive Technology
Introduction
Masahiko Yamaguchi is a prominent inventor based in Obu, Japan. He has made significant contributions to the field of automotive technology, holding a total of 9 patents. His work focuses on enhancing the performance and reliability of internal combustion engines through innovative diagnostic systems.
Latest Patents
Yamaguchi's latest patents include a degradation determination apparatus and a degradation determination system for oxygen concentration sensors. This invention features a dither control means that alternates the air-fuel ratio by adjusting the fuel injection quantity in a stepped manner. It establishes a standard value based on the ideal change of detection values from the A/F sensor. If the calculated integral value exceeds a predetermined threshold, it indicates that the A/F sensor is degraded. Another notable patent is an abnormality diagnosis apparatus for the secondary air supply system of an engine. This system utilizes an air pump to supply secondary air into the exhaust gas passage and includes mechanisms for detecting secondary air information and diagnosing abnormalities based on temperature information.
Career Highlights
Masahiko Yamaguchi is currently employed at Denso Corporation, a leading company in automotive technology. His work at Denso has allowed him to develop innovative solutions that improve engine efficiency and emissions control. His expertise in sensor technology and diagnostic systems has positioned him as a key figure in the automotive industry.
Collaborations
Yamaguchi has collaborated with notable colleagues, including Yasuo Sagisaka and Masaaki Nakayama. These partnerships have fostered a creative environment that encourages the development of cutting-edge technologies in automotive engineering.
Conclusion
Masahiko Yamaguchi's contributions to automotive technology through his patents and collaborative efforts have significantly advanced the field. His innovative approaches to engine diagnostics and performance enhancement continue to influence the industry.