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:
Dec. 23, 2025
Filed:
Jan. 29, 2021
Tdk Corporation, Tokyo, JP;
Ken Matsuura, Tokyo, JP;
TDK CORPORATION, Tokyo, JP;
Abstract
A transformer includes a magnetic core, a first coupling terminal, a second coupling terminal, a first winding, and one or multiple second windings. The magnetic core includes two opposed base parts, and five leg parts including first to fifth leg parts disposed within opposed surfaces of the base parts and magnetically coupling the base parts. The second and third leg parts are disposed with the first leg part interposed therebetween in a first direction. The fourth and fifth leg parts are disposed with the first leg part interposed therebetween in a second direction. The first winding is, in a direction from the first coupling terminal to the second coupling terminal, wound around the first to third leg parts in a first winding direction, and around the fourth and fifth leg parts in a second winding direction. The second winding/windings is/are wound around the leg parts except the first leg part.