Hidetoshi Miyaji

Title: Hidetoshi Miyaji: Innovating Internal Combustion Engine Control

Introduction: Hidetoshi Miyaji, an accomplished inventor based in Tokyo, Japan, has made significant contributions to the field of internal combustion engine technology. With a total of four patents to his name, Miyaji's innovations focus on improving engine performance and reliability, particularly through advanced control apparatuses that enhance knock detection.

Latest Patents: Among his latest patents, Miyaji has developed a cutting-edge control apparatus for internal combustion engines. This technology is designed to detect engine knocking even when the extraction frequency band is adjusted according to the engine's operating state. The apparatus employs a knock sensor that detects vibrations, a rotation sensor for monitoring the engine's condition, and an SCF circuit for isolating specific frequency signals. Additionally, a filter frequency switching section is utilized to ensure smooth transitions in extraction frequency, preventing potential inaccuracies in knock detection. Another notable patent by Miyaji is a knock control apparatus which enhances the engine's knock detection capabilities, reducing erroneous judgments caused by noise during rapid changes in sensor signal levels. This innovative approach safeguards the engine's performance during critical changes, ensuring enhanced knock controllability.

Career Highlights: Hidetoshi Miyaji has established a prominent career within notable organizations such as Mitsubishi Denki Kabushiki Kaisha and Mitsubishi Electric Corporation. His work in these companies has been instrumental in driving forward innovative automotive technologies, particularly in the domain of engine management systems.

Collaborations: Throughout his career, Miyaji has collaborated with esteemed colleagues in the field, including Hideki Maruhashi and Shigemi Murata. Their combined expertise has contributed to the successful development and implementation of advanced engine control technologies that benefit the automotive sector.

Conclusion: Hidetoshi Miyaji's contributions to automotive engineering through his patented inventions demonstrate his commitment to advancing internal combustion engine technology. With a focus on improving engine knock detection and control, Miyaji continues to innovate and shape the future of efficient automotive performance.