Location History:
- Yokosuka, JA (1977 - 1978)
- Yokosuka, JP (1978 - 1981)
Company Filing History:
17 out of 13,411 
2 out of 42,508 
Years Active: 1977-1981
Title: **The Innovative Mind of Junichiro Matsumoto**
Introduction
Junichiro Matsumoto, an inventive force based in Yokosuka, Japan, is recognized for his significant contributions to automotive technology, holding an impressive 17 patents. His work primarily focuses on enhancing fuel injection systems in internal combustion engines, a vital component in modern automobiles.
Latest Patents
Matsumoto's latest innovations include two notable patents. The first is an **Electronic Controlled Fuel Injection System** designed for internal combustion engines featuring multiple cylinders. This system incorporates a fuel injection control circuit timed to the engine's rotation, providing drive pulse signals to the fuel injection valves. Additionally, a deceleration detecting circuit monitors engine deceleration based on the throttle valve and foot brake positions. The system includes a coupling circuit that adjusts the signal to the valves in response to the engine's rotational speed during deceleration.
The second patent pertains to an **Apparatus for Controlling the Number of Enabled Cylinders of an Internal Combustion Engine** during deceleration. This apparatus utilizes a series of comparators that respond to engine speed signals, ensuring a gradual increase in the number of activated cylinders. By doing so, it prevents abrupt impacts during the reactivation of cylinders, thereby enhancing the driving experience.
Career Highlights
Throughout his career, Junichiro Matsumoto has been associated with prestigious companies such as Nissan Motor Company Limited and Hitachi, Ltd. His role in these organizations has enabled him to develop groundbreaking technologies that revolutionize fuel system engineering.
Collaborations
In his pursuit of innovation, Matsumoto has collaborated with notable colleagues, including Haruhiko Iizuka and Fukashi Sugasawa. These collaborations have fostered an environment of shared knowledge and creativity, leading to the successful patenting of advanced automotive technologies.
Conclusion
Junichiro Matsumoto stands out as a prominent inventor in the field of automotive engineering. His 17 patents, particularly those related to fuel injection systems, exemplify his commitment to innovation and improvement in vehicle performance. His collaborative efforts continue to inspire advancements in automotive technology, marking him as a key figure in the industry.