Hiroshi Sanbuichi is a prominent inventor based in Yokohama, Japan, known for his significant contributions to the field of internal combustion engine technology. With a total of six patents to his name, Sanbuichi has played a crucial role in enhancing engine performance and efficiency through his innovative approaches.

Latest Patents

Sanbuichi's latest patents showcase his expertise in air/fuel ratio feedback control systems designed for lean combustion engines. One notable invention relates to a sophisticated control system that utilizes a three-way catalyst to purify exhaust gas. This system employs an exhaust sensor to monitor the actual air/fuel ratio values within the engine, allowing for dynamic adjustments based on the engine's operating conditions. The target air/fuel ratio is strategically varied to optimize the performance of the three-way catalyst under different conditions, leading to improved NOx emission control.

Another significant patent involves an induction volume sensing arrangement for internal combustion engines. This invention optimizes the determination of air induction quantity by incorporating variables such as throttle valve position and engine speed. The approach is further refined to accommodate different injector configurations, enhancing the overall efficiency of the engine.

Career Highlights

Hiroshi Sanbuichi currently works at Nissan Motor Company Limited, where he continues to innovate and develop advanced combustion technologies. His role has been instrumental in driving forward Nissan's commitment to environmentally friendly automotive solutions.

Collaborations

Throughout his career, Sanbuichi has collaborated with notable engineers and inventors, including Toyoaki Nakagawa and Katsunori Terasaka. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of cutting-edge technologies.

Conclusion

Hiroshi Sanbuichi stands out as a key figure in the automotive industry with his innovative inventions focused on internal combustion engines. His work not only contributes to enhanced engine performance but also aids in achieving better emission control. As a dedicated inventor, Sanbuichi's ongoing efforts continue to influence the future of automotive technology.

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