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. 29, 2022
Filed:
Mar. 23, 2018
Applicant:
Hitachi Metals Ltd., Tokyo, JP;
Inventor:
Mutsuhito Sakaguchi, Tottori, JP;
Assignee:
HITACHI METALS, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F 17/04 (2006.01); H01F 27/30 (2006.01); H01F 27/02 (2006.01); H01F 27/24 (2006.01); H01F 27/28 (2006.01);
U.S. Cl.
CPC ...
H01F 27/30 (2013.01); H01F 27/02 (2013.01); H01F 27/24 (2013.01); H01F 27/2823 (2013.01);
Abstract
A coil device comprising a pair of coil members annularly assembled at two connecting end portions; each coil member comprising a magnetic core, a resin case substantially entirely surrounding the magnetic core, and a coil wound around the resin case; the resin case having connecting means and guide means in the connecting end portion of each coil member; and the connected coil members being adhered to each other in the connecting end portions.