Company Filing History:
Years Active: 2000-2005
Title: Innovations of Hideya Yamada
Introduction
Hideya Yamada is a notable inventor based in Yasugi, Japan. He has made significant contributions to the field of magnetic materials, holding a total of 3 patents. His work focuses on the development of advanced materials that enhance magnetic properties for various applications.
Latest Patents
Yamada's latest patents include a production method for semirigid magnetic material and a semirigid material and magnetic marker using it. This invention relates to a semi-hard magnetic material characterized by a rectangular hysteresis loop and superior magnetization steepness. The method involves preparing a multilayer clad material with layers containing iron and copper group metals, followed by heating, dividing treatment, and cold working. This innovative approach allows for the creation of semi-hard magnetic materials with high squareness ratios and excellent magnetization steepness, suitable for use in magnetic markers.
Another significant patent is for a composite magnetic member, which combines a ferromagnetic portion with better soft magnetism and a non-magnetic portion that maintains stable characteristics. This member is made from an Fe–Cr–C-base alloy steel containing aluminum and is designed to optimize magnetic permeability. The production methods for both the ferromagnetic and non-magnetic portions are also detailed in this patent.
Career Highlights
Hideya Yamada is currently employed at Hitachi Metals, Ltd., where he continues to innovate in the field of magnetic materials. His work has been instrumental in advancing the technology used in various industrial applications.
Collaborations
Yamada has collaborated with notable coworkers such as Shin-ichiro Yokoyama and Tsutomu Inui, contributing to the development of cutting-edge technologies in magnetic materials.
Conclusion
Hideya Yamada's contributions to the field of magnetic materials through his innovative patents highlight his expertise and commitment to advancing technology. His work at Hitachi Metals, Ltd. continues to influence the industry positively.