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:
Dec. 30, 2025

Filed:

Mar. 03, 2021
Applicant:

Tdk Corporation, Tokyo, JP;

Inventors:

Hanako Yoshino, Tokyo, JP;

Keigo Higashida, Tokyo, JP;

Assignee:

TDK Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 17/04 (2006.01); H01F 27/24 (2006.01); H01F 27/28 (2006.01); H01F 27/29 (2006.01);
U.S. Cl.
CPC ...
H01F 27/2823 (2013.01); H01F 17/04 (2013.01); H01F 17/045 (2013.01); H01F 27/24 (2013.01); H01F 27/29 (2013.01);
Abstract

Disclosed herein is a coil component that includes a winding core part and a wire wound around the winding core part. The winding core part includes a first winding area positioned on a first flange part side, a second winding area positioned on a second flange part side, and a third winding area positioned between the first and second winding areas. The wire includes a first section wound in a plurality of turns around the first winding area, a second section wound in a plurality of turns around the second winding area, and a third section wound in less than one turn around the third winding area. A shift amount of a winding position of the wire in an axial direction per turn is larger in the third section than in each of the first and second sections.


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