Location History:
- Mie, JP (2006)
- Matsusaka, JP (2023)
Company Filing History:
2 out of 13 
1 out of 19,697 
Years Active: 2006-2023
Title: Hirotada Kanagawa: Innovator in Grounding Brush Technology
Introduction
Hirotada Kanagawa is a notable inventor based in Mie, Japan. He has made significant contributions to the field of electrical components, particularly in the development of grounding brushes. With a total of two patents to his name, Kanagawa's work has had a considerable impact on the automotive industry.
Latest Patents
Kanagawa's latest patents include a metal graphite grounding brush primarily composed of silver and a method for producing the same. This innovative grounding brush is designed to make slide contact with the peripheral surface of an axle, effectively grounding it. The mass ratio between silver and carbonaceous components in the brush is crucial, with silver content ranging from above 30% to up to 90%, while carbonaceous components are kept below 70% and down to 10%. The volatile component in the total mixture is maintained between 2.0% and 15%. This design not only reduces noise from car radios but also ensures a long service life and mechanical strength. Another patent involves a copper-graphite brush, which incorporates a copper-zinc alloy powder with a zinc content ranging from 10 to 50 wt%. This brush body is composed of graphite, copper, and a metal sulfide solid lubricant, enhancing its performance.
Career Highlights
Throughout his career, Kanagawa has worked with prominent companies such as Tris Inc. and Denso Corporation. His experience in these organizations has allowed him to refine his skills and contribute to innovative projects in the automotive sector.
Collaborations
Kanagawa has collaborated with notable coworkers, including Takayoshi Otani and Masakiyo Shimada. Their joint efforts have further advanced the development of grounding brush technologies.
Conclusion
Hirotada Kanagawa's contributions to the field of grounding brush technology demonstrate his innovative spirit and dedication to improving automotive components. His patents reflect a commitment to enhancing performance and reliability in electrical systems.
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.