Location History:
- Muroran, JA (1976)
- Hokkaido, JP (1988)
Company Filing History:
2 out of 406 
1 out of 50 Years Active: 1976-1988
Introduction
Shunichi Tomizuka is a distinguished inventor hailing from Hokkaido, Japan. With an impressive portfolio of two patents, he has contributed significantly to the field of materials science and engineering. His innovative approach to friction brakes and welding processes has garnered attention within the industrial sector.
Latest Patents
One of Tomizuka's notable patents focuses on friction brakes. He developed a composite metal material consisting of a sliding friction surface metal layer made of grey cast iron, bonded with a layer of a high-strength different metal that possesses exceptional crack transmission resistance. This design effectively prevents cracks formed in the sliding surface layer from spreading, thereby enhancing the durability of braking systems. An optional intermediate metal layer can also be incorporated to further improve performance.
His second patent pertains to a specialized flux for build-up welding, tailored to enhance the welding process. This flux comprises a blend of 50 to 90% calcium fluoride and 10 to 40% alumina, along with various compounds such as iron oxide, silica, manganese oxide, and chrome oxide, in specific proportions. This innovative flux composition aims to improve the efficiency and effectiveness of build-up welding techniques.
Career Highlights
Throughout his career, Shunichi Tomizuka has been affiliated with prominent companies such as The Japan Steel Works, Ltd. and Japanese National Railways. His experience in these industries has allowed him to apply his inventive concepts to real-world applications, significantly benefiting the engineering and manufacturing fields.
Collaborations
In his professional journey, Tomizuka has collaborated with esteemed colleagues, including Takashi Shima and Katuro Takasawa. These partnerships have fostered a dynamic exchange of ideas and technological advancements, contributing to the successful realization of his innovative patents.
Conclusion
Shunichi Tomizuka's contributions to friction brake technology and welding materials underscore his expertise as an inventor. His patents reflect a blend of creativity and practicality, leading to enhanced performance in industrial applications. As he continues to innovate, Tomizuka remains a notable figure in the realm of engineering and materials science.
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.