Company Filing History:
3 out of 1,838 
1 out of 5,207 
1 out of 3,252 Years Active: 1978-1980
Title: Toshiro Harada: A Contributor to Automotive Innovations
Introduction
Toshiro Harada is an accomplished inventor based in Okazaki, Japan, with a total of four patents to his name. His contributions primarily revolve around advancements in automotive technology, specifically focusing on exhaust gas control systems. Harada's work reflects a commitment to innovation aimed at improving vehicle performance and emissions regulation.
Latest Patents
Among his latest inventions is the **Integrated Control Device**, which features a compact design incorporating multiple exhaust gas control units. This innovation includes base board means designed for mounting these control units and facilitating fluid communication, thereby enhancing the efficiency and accessibility of exhaust gas cleaning systems.
Additionally, Harada has developed a **Comparator Circuit** intended for systems that control the air-fuel ratio in internal combustion engines. This circuit utilizes inputs from an O₂ sensor located in the exhaust system, comparing two signals: one in phase with the O₂ sensor and another delayed. The output produces deviation signals that indicate whether the air-fuel mixture is rich or lean, providing essential feedback for optimal engine performance.
Career Highlights
Toshiro Harada has worked for renowned automotive companies including Toyota Motor Corporation and Aisin Seiki Co., Ltd. His positions in these companies have provided him with the opportunity to contribute to significant advancements in the automotive field, specifically in emission and fuel efficiency technologies.
Collaborations
Throughout his career, Harada has collaborated with notable colleagues such as Takao Nonoyama and Masami Inada. These collaborations have been instrumental in enhancing the quality and innovation of the projects they worked on together, furthering the impact of their contributions to the industry.
Conclusion
Toshiro Harada's inventions have made a lasting impact in the area of automotive technology, particularly in exhaust gas control systems. With a focus on efficiency and performance, his patents exemplify the spirit of innovation that drives the automotive industry forward. As he continues to refine his inventions and collaborate with fellow inventors, Harada remains a significant figure in the realm of automotive innovations.