Location History:
- Hyogo, JP (1990 - 1993)
- Itami, JP (1987 - 2003)
Company Filing History:
9 out of 10,273 
2 out of 10,092 
Years Active: 1987-2003
Title: **Yukinori Yamashita: Innovator in Friction Material Technologies**
Introduction
Yukinori Yamashita, an accomplished inventor based in Itami, Japan, has made significant strides in the field of friction materials. With a total of 9 patents to his name, Yamashita's innovations focus on improving the performance and durability of friction materials used in various applications, particularly in automotive components.
Latest Patents
One of his latest patents involves a unique friction material that is specifically designed for pairing with disk rotors or drums. This innovative material, primarily composed of an aluminum alloy reinforced by a hard material, effectively suppresses scoring on the disk rotor or drum while maintaining stability in the coefficient of friction even after exposure to heat. The composition includes an organic-fiber base material, binder resin, friction-adjusting agents, fillers, inorganic powders, as well as inorganic fibers and metal powders ranging from 1 to 180 micrometers.
Additionally, Yamashita has developed a sintered friction material belonging to the copper series. This patented material features a foundation made from copper alloy powder that uniformly incorporates hard phases and solid lubricant components. It is engineered to exhibit a friction coefficient of 0.3 or higher without seizing while sliding against titanium or titanium alloys in atmospheric conditions. This foundation is enhanced with additive elements such as zinc, nickel, aluminum, iron, and molybdenum.
Career Highlights
Yukinori Yamashita has worked with prominent companies, including Sumitomo Electric Industries and Honda Giken Kogyo Kabushiki Kaisha, where he has honed his expertise in developing advanced friction materials.
Collaborations
Throughout his career, Yamashita has collaborated with renowned professionals in the field, including Mitsuhiko Nakagawa and Masanori Ibuki. These partnerships have contributed significantly to his innovative work and advancement in friction material technologies.
Conclusion
Yukinori Yamashita stands out as a notable inventor whose contributions to friction materials have greatly impacted the automotive industry. His ongoing commitment to innovation and collaboration ensures that he will continue to be a driving force in the development of advanced materials. His patents reflect a dedication to improving safety and performance in essential automotive components, establishing him as a leader in his field.