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:
Jul. 14, 2026
Filed:
Mar. 27, 2023
Tdk Corporation, Tokyo, JP;
Tdk Xiamen Co., Ltd., Xiamen, CN;
Hiroshi Maeda, Xiamen, CN;
Shoichi Tani, Tokyo, JP;
Takahiro Hirai, Tokyo, JP;
Xiao Jie, Xiamen, CN;
Danling Luo, Xiamen, CN;
Xuesong Guo, Xiamen, CN;
TDK CORPORATION, Tokyo, JP;
TDK XIAMEN CO., LTD., Xiamen, CN;
Abstract
A coil device includes a bobbin, a main core, and wires. A connection portion located between a first bobbin flange portion and a second bobbin flange portion includes a raised portion protruding along a direction perpendicular to a first axis more than the connection portion located between a first terminal block and a first bobbin flange portion. Communication wire portions connecting first wires of a proximal first coil and first wires of a distal first coil are arranged in a wiring space formed between second wires wound in contact with an upper end of the raised portion and an outer surface of the winding core portion or the bobbin.