Location History:
- Hitachi, JP (2007 - 2013)
- Tokyo, JP (2020 - 2023)
Company Filing History:
4 out of 1,641 
1 out of 4 
1 out of 13,411 
Years Active: 2007-2023
Title: Teruyuki Nagayoshi: Innovator in Friction Material Technology
Introduction
Teruyuki Nagayoshi is a prominent inventor based in Hitachi, Japan. He has made significant contributions to the field of friction materials, holding a total of 5 patents. His work focuses on developing friction materials that enhance performance while minimizing environmental impact.
Latest Patents
Nagayoshi's latest patents include innovative compositions for friction materials. One of his notable inventions is a friction material composition that contains no copper or has a reduced copper content. This composition provides excellent stability of the friction coefficient in cold environments, outstanding abrasion resistance, and low rust fixation properties. Additionally, it effectively suppresses squeal, particularly at low temperatures. The composition includes a bonding material, organic fillers such as cashew particles with silicone resin, inorganic fillers, and a fiber substrate. Another patent features a friction material composition with a copper content of 0.5% by mass or less, incorporating phlogopite or biotite and graphite as inorganic fillers.
Career Highlights
Throughout his career, Nagayoshi has worked with notable companies, including Hitachi Chemical Company, Ltd. and Japan Brake Industrial Co., Ltd. His experience in these organizations has allowed him to refine his expertise in friction material technology and contribute to advancements in the industry.
Collaborations
Nagayoshi has collaborated with several professionals in his field, including Manabu Ono and Mitsuhiro Inoue. These partnerships have fostered innovation and the development of cutting-edge friction materials.
Conclusion
Teruyuki Nagayoshi's contributions to friction material technology demonstrate his commitment to innovation and environmental sustainability. His patents reflect a deep understanding of material science and a dedication to improving product performance.