Company Filing History:
Years Active: 2016-2020
Title: Yasuhiro Tsukada: Innovator in Sintered Bearing Technology
Introduction
Yasuhiro Tsukada is a notable inventor based in Niigata, Japan. He has made significant contributions to the field of materials engineering, particularly in the development of advanced sintered bearings. With a total of 3 patents to his name, Tsukada's work focuses on enhancing the performance and cost-effectiveness of bearing materials.
Latest Patents
One of Tsukada's latest patents is for an iron-copper-based oil-impregnated sintered bearing and the method for manufacturing it. This innovative sintered bearing exhibits a reduced hard iron alloy phase, providing excellent wear resistance and cost performance under low-revolution and high-load conditions. The composition of the sintered bearing includes Cu: 10 to 55% by mass, Sn: 0.5 to 7% by mass, Zn: 0 to 4% by mass, P: 0 to 0.6% by mass, C: 0.5 to 4.5% by mass, with the remainder composed of Fe and inevitable impurities. The bearing features a free graphite area ratio of 5 to 35%, a copper phase area ratio of at least 30% on the bearing surface, a porosity of 16 to 25%, and a hardness of the iron alloy phase in the matrix ranging from Hv 65 to 200. The raw material powders used include at least one of crystalline graphite powder and flake graphite powder, each with an average particle size of 10 to 100 μm.
Career Highlights
Yasuhiro Tsukada is currently associated with Diamet Corporation, where he continues to innovate in the field of sintered materials. His work has been instrumental in advancing the technology used in various industrial applications.
Collaborations
Tsukada has collaborated with notable colleagues such as Yoshinari Ishii and Tomoe Obata, contributing to the development of cutting-edge technologies in their field.
Conclusion
Yasuhiro Tsukada's contributions to the field of sintered bearing technology highlight his innovative spirit and dedication to improving material performance. His patents reflect a commitment to advancing engineering solutions that meet the demands of modern applications.