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:
Nov. 04, 2025
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 3/14 (2006.01); H01F 17/04 (2006.01); H01F 27/245 (2006.01); H01F 27/28 (2006.01);
U.S. Cl.
CPC ...
H01F 27/28 (2013.01); H01F 17/04 (2013.01); H01F 27/245 (2013.01);
Abstract
A coil device includes a first core, a second core, and a conductor. The first core includes a first leg. The second core is disposed with a gap between the first leg and the second core. The conductor is at least partly disposed between the first core and the second core. A notch is formed on the conductor at a position corresponding to the gap.