The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 22, 2026
Filed:
Mar. 13, 2023
Seiko Epson Corporation, Tokyo, JP;
Yasuko Kudo, Hachinohe, JP;
Atsushi Nakamura, Hachinohe, JP;
SEIKO EPSON CORPORATION, , JP;
Abstract
A soft magnetic powder contains a particle having a composition represented by FeCuNb(SB), a, b, and x being numbers whose units are atomic %, in which 0.3≤a≤2.0, 2.0≤b≤4.0, and 73.0≤x≤79.5, and y being a number satisfying f(x)≤y≤0.99, and f(x)=(4×10)x. When an XPS spectrum of the particle is obtained, and fitting processing is performed on an O1s peak, the O1s peak is separated into a first element peak of 532 eV or less and a second element peak of more than 532 eV, and S2/S1 is 1.5 or more where S1 is an area of the first element peak and S2 is an area of the second element peak.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile