Location History:
- Ohbu, JP (1982 - 1984)
- Obu, JP (1984)
- Oobu, JP (1984)
- Aichi, JP (1984 - 1994)
Company Filing History:
Years Active: 1982-1994
Title: Innovations of Toshimi Matsumura
Introduction
Toshimi Matsumura is a prominent inventor based in Aichi, Japan, known for his significant contributions to engine technology. With a total of 17 patents to his name, Matsumura has made remarkable advancements in fuel injection systems and atmospheric pressure estimation methods.
Latest Patents
One of Matsumura's latest patents is a common-rail fuel injection system for an engine. This innovative system includes a fuel injection device that injects high-pressure fuel from a common rail into the engine. It features a pumping chamber connected to the common rail and a fuel feed device that supplies fuel to the pumping chamber. The design incorporates a plunger that moves in accordance with the engine's output shaft rotation, defining part of the pumping chamber. A relief valve selectively returns fuel from the pumping chamber to a low-pressure side, while a valve closing device controls the relief valve's operation. This system enhances fuel delivery efficiency and engine performance.
Another notable patent is a method and apparatus for estimating atmospheric pressure without the need for an atmospheric pressure sensor. This system utilizes a single pressure sensor to measure air pressure in the intake manifold of a fuel-injected engine. The control unit adjusts the fuel amount and injection timing based on various engine parameters. By estimating the intake pressure at a specific time, the system can provide a more accurate atmospheric pressure reading, improving overall engine operation.
Career Highlights
Matsumura has dedicated his career to advancing automotive technology, particularly in fuel injection systems. His work at Nippondenso Co., Ltd. has positioned him as a key figure in the industry, contributing to innovations that enhance engine efficiency and performance.
Collaborations
Throughout his career, Matsumura has collaborated with notable colleagues, including Akira Masuda and Masahiko Miyaki. These partnerships have fostered a creative environment that has led to groundbreaking advancements in engine technology.
Conclusion
Toshimi Matsumura's contributions to engine technology through his patents and innovations have significantly impacted the automotive industry. His work continues to inspire advancements in fuel injection systems and atmospheric pressure estimation methods.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.