This inventor holds 1 USPTO granted patent. Top assignees: Sumitomo Metal Mining Company, Ltd., Tohoku University. Active years: 2024.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
1 out of 898 
1 out of 1,054 
Years Active: 2024
Title: Innovations of Yukinobu Yoneyama in Magnetic Powder Technology
Introduction
Yukinobu Yoneyama is a notable inventor based in Iwanai-gun, Japan. He has made significant contributions to the field of magnetic materials, particularly through his innovative work on rare earth-iron-nitrogen-based magnetic powders. His research has implications for various applications in technology and industry.
Latest Patents
Yoneyama holds a patent for a rare earth-iron-nitrogen-based magnetic powder, which includes a compound for bonded magnets and a method for producing this magnetic powder. The invention specifies that the magnetic powder contains a rare-earth element (R), iron (Fe), and nitrogen (N) as its main constituents. The average particle size of this powder ranges from 1.0 to 10.0 μm, with a composition of 22.0-30.0 mass % of a rare-earth element and 2.5-4.0 mass % of nitrogen. The structure of the magnetic powder includes a core part with specific crystal structures and a shell layer that enhances its magnetic properties.
Career Highlights
Throughout his career, Yukinobu Yoneyama has worked with prestigious institutions, including Tohoku University and Sumitomo Metal Mining Company, Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in magnetic materials.
Collaborations
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile