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:
Sep. 17, 2024
Filed:
May. 12, 2021
Applicant:
Tdk Corporation, Tokyo, JP;
Inventors:
Chen Wang, Tokyo, JP;
Satoshi Sugimoto, 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 27/32 (2006.01);
U.S. Cl.
CPC ...
H01F 27/2823 (2013.01); H01F 27/24 (2013.01); H01F 27/32 (2013.01);
Abstract
A coil device includes a first conductor, a second conductor, and a core. The second conductor is disposed inside the first conductor and at least partly extending along the first conductor. The core internally arranges the first conductor and the second conductor. An insulating layer is formed at least between the first conductor and the second conductor.