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:
Mar. 10, 2026
Filed:
Mar. 11, 2022
Applicants:
Autonetworks Technologies, Ltd., Mie, JP;
Sumitomo Wiring Systems, Ltd., Mie, JP;
Sumitomo Electric Industries, Ltd., Osaka, JP;
Inventor:
Kazuhiro Inaba, Mie, JP;
Assignees:
AUTONETWORKS TECHNOLOGIES, LTD., Mie, JP;
SUMITOMO WIRING SYSTEMS, LTD., Mie, JP;
SUMITOMO ELECTRIC INDUSTRIES, LTD., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 3/14 (2006.01); H01F 3/08 (2006.01); H01F 17/04 (2006.01); H01F 27/255 (2006.01);
U.S. Cl.
CPC ...
H01F 3/14 (2013.01); H01F 3/08 (2013.01); H01F 17/045 (2013.01); H01F 27/255 (2013.01);
Abstract
A core piece of the present invention is constituted by a molded body of a composite material in which a soft magnetic powder is dispersed in a resin. The core piece includes an end core portion configured to face an end face of a coil. The end core portion includes a recessed portion provided outside the coil, and a gate mark provided at a bottom portion of the recessed portion. An end face of the gate mark is located inside the recessed portion.