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:
Apr. 01, 2025
Filed:
Dec. 28, 2022
Tdk Corporation, Tokyo, JP;
Jun Nakatsutsumi, Tokyo, JP;
TDK CORPORATION, Tokyo, JP;
Abstract
A multilayer filter includes: an element body formed by laminating a plurality of insulator layers; a first inductor and a second inductor; and a wall portion disposed between the first inductor and the second inductor and grounded, wherein at least the second inductor is a vertical winding type inductor of which a winding axis extends in a direction orthogonal to a laminating direction in which the plurality of insulator layers are laminated, a penetrating portion penetrating in a facing direction in which the first inductor and the second inductor face each other is formed in the wall portion, and a size of the penetrating portion in the laminating direction is larger than a size of one insulator layer.