Company Filing History:
Years Active: 1989-2003
Title: Shiro Kumagai: Innovator in Exhaust Gas Purification Technology
Introduction
Shiro Kumagai is a notable inventor based in Kyoto, Japan. He has made significant contributions to the field of internal combustion engine technology, particularly in exhaust gas purification systems. With a total of 6 patents to his name, Kumagai's work has had a substantial impact on environmental sustainability.
Latest Patents
Kumagai's latest patents include an innovative exhaust gas purifying apparatus. This apparatus features a three-way catalyst located in the exhaust pipe of an internal combustion engine, along with a NOx adsorption/reduction catalyst positioned downstream. The design utilizes nickel as a catalyst source, which is loaded on an alumina support layer. This configuration allows for effective conversion of harmful emissions, enhancing the purifying capability of the NOx catalyst.
Another significant patent is his air/fuel ratio control system for internal combustion engines. This system incorporates two air/fuel ratio detectors, one positioned upstream of the catalytic converter and the other within the exhaust system. The system is designed to optimize the air/fuel ratio based on real-time exhaust gas components, thereby improving engine efficiency and reducing emissions.
Career Highlights
Shiro Kumagai is currently employed at Mitsubishi Jidosha Kogyo Kabushiki Kaisha, a leading automotive manufacturer. His role involves developing advanced technologies aimed at improving engine performance and reducing environmental impact. His innovative approaches have positioned him as a key figure in the automotive engineering sector.
Collaborations
Kumagai has collaborated with several talented individuals in his field, including Reijiro Komagome and Tateo Kume. These partnerships have fostered a creative environment that encourages the development of cutting-edge technologies.
Conclusion
Shiro Kumagai's contributions to exhaust gas purification technology exemplify his commitment to innovation and environmental sustainability. His patents reflect a deep understanding of internal combustion engine dynamics and a dedication to improving air quality.