Masakazu Dohi

Title: The Innovative Mind of Masakazu Dohi

Introduction: Masakazu Dohi is a notable inventor based in Hyogo, Japan, recognized for his contributions to internal combustion engine technology. With a total of three patents to his name, Dohi has displayed exceptional ingenuity in developing devices that enhance engine performance and precision.

Latest Patents: Dohi's latest innovations include two significant patents that focus on improving combustion detection and the management of ionic currents in internal combustion engines.

The first patent, an **Ionic Current Detection Apparatus for Internal Combustion Engine**, is designed to eliminate false ionic current generation, which can lead to incorrect combustion assessments. This invention detects the ionic current produced in spark plugs associated with ignition coils, ensuring that the arrangement of these coils prevents signal interference. By fixing the ignition coils with a dedicated fixture that maintains proper directional alignment, the device enhances combustion determination accuracy.

The second patent, a **Combustion Condition Detection Apparatus for an Internal Combustion Engine**, introduces a comprehensive mechanism to analyze the combustion process. This apparatus employs a current distributor and a band-pass filter to identify knock vibrations effectively. It features a knock determination section and a combustion determination section that sends out signals based on the assessment of current thresholds. An innovative feature of this invention includes a timing mechanism that limits ion current output during cylinder ignition, thereby optimizing performance.

Career Highlights: Masakazu Dohi works as an inventor at Mitsubishi Denki Kabushiki Kaisha, a leading company in technological advancements. His career is marked by a commitment to improving engine technology through innovative solutions. These patents exemplify his dedication to enhancing the reliability and efficiency of internal combustion engines.

Collaborations: Throughout his career, Dohi has collaborated with esteemed colleagues such as Yoshiyuki Sera and Yasuhiro Takahashi. Their teamwork has fostered an environment of creativity and innovation, leading to significant advancements in their field of expertise.

Conclusion: Masakazu Dohi stands out as a pioneering inventor whose work is paving the way for future advancements in internal combustion engine technology. His patents demonstrate a deep understanding of engine dynamics and a commitment to precision that is crucial in today’s automotive industry. As technology continues to evolve, Dohi’s contributions will undoubtedly play a significant role in shaping the future of engine performance.