Location History:
- Hyogo, JP (2016)
- Osaka, JP (2012 - 2017)
- Yabu, JP (2020)
Company Filing History:
Years Active: 2012-2020
Title: Innovations of Koshi Yoshimura
Introduction
Koshi Yoshimura is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced plating methods for rare earth metal-based permanent magnets. With a total of 11 patents to his name, Yoshimura's work has had a substantial impact on the industry.
Latest Patents
Yoshimura's latest patents include a method for forming an electrolytic copper plating film on the surface of rare earth metal-based permanent magnets. This innovative method aims to provide a novel approach for achieving excellent adhesion of the copper plating film. The process involves immersing the magnet in a plating solution and applying a cathode current density ranging from 0.05 A/dm² to 4.0 A/dm² for a duration of 10 to 180 seconds.
Another significant patent is for producing a surface-modified rare earth metal-based sintered magnet. This method focuses on enhancing corrosion resistance in environments with fluctuating temperature and humidity while maintaining excellent magnetic characteristics. The process includes subjecting the magnet to a heat treatment at temperatures between 200°C and 600°C in a controlled atmosphere.
Career Highlights
Yoshimura is currently associated with Hitachi Metals, Ltd., where he continues to innovate and develop new technologies. His work has been instrumental in advancing the capabilities of rare earth magnets, which are critical components in various applications, including electric motors and generators.
Collaborations
Throughout his career, Yoshimura has collaborated with notable colleagues such as Masanao Kamachi and Hideyuki Morimoto. These collaborations have fostered a creative environment that has led to numerous advancements in their field.
Conclusion
Koshi Yoshimura's contributions to the field of materials science and his innovative patents have positioned him as a key figure in the development of advanced technologies for rare earth magnets. His work continues to influence the industry and drive future innovations.