Location History:
- Hiroshima, JP (1985 - 1996)
- Hiroshima-ken, JP (1997 - 1998)
Company Filing History:
23 out of 4,676 
1 out of 27,375 
Years Active: 1985-1998
Title: Innovations and Contributions of Shunji Masuda in the Field of Engine Design
Introduction
Shunji Masuda is a prominent inventor based in Hiroshima, Japan, known for his significant contributions to internal combustion engine technology. With an impressive portfolio of 24 patents, he has demonstrated a strong commitment to advancing engineering principles and practices.
Latest Patents
Among his latest innovations, Masuda boasts two noteworthy patents:
1. **Internal Combustion Engine with Supercharger** - This patent describes an internal combustion engine featuring a supercharger. The design includes a piston moving reciprocally within a cylinder, with bore sizes ranging from approximately 43 mm to 67 mm, and a single chamber volume between 110 cc to 400 cc. The engine design features a stroke-to-bore ratio greater than 1 and a compression ratio of 9 or higher.
2. **Direct Injection Diesel Engine** - His other patent highlights a direct injection diesel engine. It incorporates a cylinder head designed with multiple intake ports for each cylinder. One of the intake ports has a straight throat that opens into the combustion chamber at the upper reaches of swirling, while another port opens at the lower reaches. This configuration is augmented by a glow plug extending downward and an exhaust port that leads into the combustion chamber.
Career Highlights
Shunji Masuda has worked with renowned companies such as Mazda Motor Corporation and Matsushita Electric Industrial Co., Ltd., where he has applied his innovative expertise to develop cutting-edge engine technologies. His professional journey reflects a dedication to enhancing engine efficiency and performance.
Collaborations
Throughout his career, Masuda has collaborated with esteemed colleagues such as Mitsuo Hitomi and Kenji Kashiyama. These partnerships have bolstered the development of groundbreaking technologies, fostering an environment of creativity and technical excellence.
Conclusion
Shunji Masuda remains a key figure in the field of engine design, with a strong legacy of innovation illustrated by his numerous patents. His work continues to influence advancements in internal combustion engine technology, showcasing his profound impact on the automotive industry.
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.