Company Filing History:
2 out of 10,092 
1 out of 5 Years Active: 1999-2001
Title: Shunji Akamatsu: Innovator in Fuel Injection Technology
Introduction
Shunji Akamatsu is a notable inventor based in Saitama, Japan. He has made significant contributions to the field of engine technology, particularly in fuel injection systems. With a total of 3 patents to his name, Akamatsu's work reflects a commitment to innovation and efficiency in automotive engineering.
Latest Patents
Akamatsu's latest patents include a fuel injection device designed to reduce costs through the rational integral formation of a fuel supply pipe and a part of an injection pressure regulator. This innovative device features a regulator housing that is divided into a housing body, which defines a fuel chamber, and a cover that defines a pressure regulating chamber. The housing body is integral with a fuel supply pipe at its end portion, which connects to a fuel injector.
Another significant patent is for a spark ignition type internal combustion engine with a sub-combustion chamber. This engine design allows for a gas mixture with an air-fuel ratio that adapts to the engine's operating state over a wide range. The design minimizes hydrogen carbide discharge while achieving high efficiency. The sub-combustion chamber communicates with the main combustion chamber, and the gas mixture injecting apparatus intermittently injects gas into the sub-combustion chamber.
Career Highlights
Throughout his career, Shunji Akamatsu has worked with prominent companies in the automotive industry, including Honda Giken Kogyo Kabushiki Kaisha and Honda Kogyo Kabushiki Kaisha. His experience in these organizations has allowed him to develop and refine his innovative ideas in engine technology.
Collaborations
Akamatsu has collaborated with notable colleagues such as Hiroshi Yamashita and Minoru Ueda. These partnerships have contributed to the advancement of his projects and the successful implementation of his inventions.
Conclusion
Shunji Akamatsu's contributions to fuel injection technology demonstrate his innovative spirit and dedication to improving engine efficiency. His patents reflect a deep understanding of automotive engineering and a commitment to reducing environmental impact. Akamatsu's work continues to influence the automotive industry and inspire future innovations.