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.

Date of Patent:
Nov. 18, 2025

Filed:

Mar. 29, 2022
Applicant:

Taiyo Yuden Co., Ltd., Tokyo, JP;

Inventors:

Motoki Matsui, Tokyo, JP;

Tomoo Kashiwa, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 17/04 (2006.01); H01F 1/147 (2006.01); H01F 27/255 (2006.01); H01F 27/29 (2006.01);
U.S. Cl.
CPC ...
H01F 27/292 (2013.01); H01F 1/14766 (2013.01); H01F 27/255 (2013.01);
Abstract

A coil component includes a base body, a coil conductor disposed in or on the base body, a first external electrode electrically connected to the coil conductor, and a second external electrode electrically connected to the coil conductor. The base body includes a first metal magnetic particle group and a second metal magnetic particle group. The first metal magnetic particle group is composed of plural first metal magnetic particles each including Fe, and the second metal magnetic particle group is composed of plural second metal magnetic particles each including Fe. The first metal magnetic particle group has a first average particle size and a first degree of circularity of 0.75 or higher. The second metal magnetic particle group has a second average particle size smaller than the first average particle size and a second average degree of circularity larger than the first average degree of circularity.


Find Patent Forward Citations

Loading…