This inventor holds 2 USPTO granted patents. Top assignees: Nippondenso Co., Ltd., Toyota Jidosha Kabushiki Kaisha. Active years: 1984-1985.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
2 out of 3,252 
1 out of 38,912 
Years Active: 1984-1985
Title: Shiro Nagasawa: Innovator in Fuel Injection Technology
Introduction
Shiro Nagasawa is a notable inventor based in Kariya, Japan. He has made significant contributions to the field of fuel injection technology, holding 2 patents that enhance the efficiency and control of combustion engines. His work has been instrumental in advancing automotive engineering.
Latest Patents
Nagasawa's latest patents include a method and apparatus for controlling the air-fuel ratio of a mixture in combustion engines. This innovative approach utilizes a learning control system that updates correction values based on real-time data from the engine's exhaust. The first correction values are crucial for adjusting the basic fuel injection time, while the second correction value fine-tunes the ineffective fuel injection time. This dual-correction mechanism ensures optimal fuel delivery, enhancing engine performance.
Another significant patent focuses on electronically controlling fuel injection in internal combustion engines. This method involves an interruption routine that selects control logic based on the calculated pulse width for fuel injection. By regulating the amount of fuel injected, this technology improves the overall efficiency of the engine.
Career Highlights
Throughout his career, Shiro Nagasawa has worked with prominent companies in the automotive industry, including Nippondenso Co., Ltd. and Toyota Motor Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in fuel injection systems.
Collaborations
Nagasawa has collaborated with esteemed colleagues such as Naruaki Morimoto and Yasuo Yamada. Their combined expertise has contributed to the successful development of advanced fuel injection technologies.
Conclusion
Shiro Nagasawa's contributions to fuel injection technology have made a lasting impact on the automotive industry. His innovative patents and collaborative efforts continue to influence the development of more efficient combustion engines.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile