This inventor holds 1 USPTO granted patent. Top assignee: Kobe Steel, Ltd.. Active years: 1977.
Company Filing History:
Years Active: 1977
Title: Sadayashi Furusawa: Innovator in Free-Machining Steel
Introduction
Sadayashi Furusawa is a notable inventor based in Kobe, Japan. He has made significant contributions to the field of materials science, particularly in the development of free-machining steel. His innovative approach addresses the challenges faced in mechanical construction, enhancing both machinability and cold workability.
Latest Patents
Furusawa holds a patent for his invention titled "Grain refined free-machining steel." This invention relates to a free-cutting steel that serves as a material for mechanical construction members, which can be manufactured through machining and cold working. The patent outlines a steel composition that includes 0.08 to 0.6% carbon, 0.35% or less silicon, 0.3 to 1.5% manganese, 0.04 to 0.15% sulfur, 0.010 to 0.05% aluminum, 0.01 to 0.08% niobium, and controlled amounts of zirconium, oxygen, and nitrogen. This unique formulation results in a refined grain size and improved mechanical properties, addressing the limitations of previous steel compositions.
Career Highlights
Furusawa's career is marked by his dedication to advancing material technology. His work at Kobe Steel, Ltd. has positioned him as a key figure in the development of innovative steel products. His patent reflects a deep understanding of the complexities involved in creating materials that meet the rigorous demands of modern engineering.
Collaborations
Furusawa has collaborated with esteemed colleagues such as Yoshihiro Yamaguchi and Takashi Shimohata. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas within the field of materials science.
Conclusion
Sadayashi Furusawa's contributions to the development of free-machining steel exemplify the importance of innovation in engineering materials. His patented invention not only enhances machinability and cold workability but also sets a new standard for mechanical construction materials.