Location History:
- Minamisaitama-gun, JP (1996)
- Ibaraki-ken, JP (1998)
- Sashima-gun, JP (2000 - 2003)
- Koga, JP (2011)
Company Filing History:
7 out of 84 
1 out of 36,653 
1 out of 19,733 
Years Active: 1996-2011
Title: Innovations by Hiroshi Shimamura
Introduction
Hiroshi Shimamura is a notable inventor based in Sashima-gun, Japan. He has made significant contributions to the field of engineering, particularly in the development of fuel systems. With a total of 7 patents to his name, Shimamura's work has had a considerable impact on automotive technology.
Latest Patents
One of his latest inventions is a recirculating valve. This innovative valve comprises a fuel supplying passage in fluid communication with a fuel tank and an engine, a return passage connecting the engine and the fuel tank, and a communication passage linking the fuel supplying and return passages. It features a temperature-sensitive displacement portion that adjusts according to the fuel temperature. An on-off valve operates based on the temperature, closing the communication passage when the fuel temperature exceeds a specified threshold and opening it when the temperature falls below another threshold.
Another significant patent is a fuel vapor treating apparatus. This apparatus includes a lower valve casing and an upper valve casing, with a float that seals the flow of fuel. The valve portion in the float opens and closes a valve port between the two casings, ensuring that the fuel tank communicates with a vent passage. This design effectively prevents fuel leakage from the tank, showcasing Shimamura's commitment to safety and efficiency in fuel management.
Career Highlights
Hiroshi Shimamura has worked with prominent companies such as Kyosan Denki Co., Ltd. and Toyota Motor Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking innovations in the automotive sector.
Collaborations
Throughout his career, Shimamura has collaborated with talented individuals, including Hiroshi Osaki and Katsuyuki Kido. These partnerships have fostered a creative environment that has led to the development of several successful inventions.
Conclusion
Hiroshi Shimamura's contributions to the field of engineering and automotive technology are noteworthy. His innovative patents and collaborations reflect his dedication to advancing fuel systems and enhancing safety in vehicles. His work continues to influence the industry and inspire future inventors.