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:
Jan. 13, 2026
Filed:
Oct. 26, 2021
Applicant:
Nippon Steel Corporation, Tokyo, JP;
Inventors:
Yoshiyuki Ushigami, Tokyo, JP;
Shinji Yamamoto, Tokyo, JP;
Takeo Aramaki, Tokyo, JP;
Yuki Kunita, Tokyo, JP;
Satoshi Arai, Tokyo, JP;
Assignee:
NIPPON STEEL CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 38/02 (2006.01); H01F 1/147 (2006.01); H01F 3/02 (2006.01); H01F 27/245 (2006.01); H01F 41/02 (2006.01); C21D 1/26 (2006.01); C21D 1/76 (2006.01); C21D 3/04 (2006.01); C21D 6/00 (2006.01); C21D 8/12 (2006.01); C21D 9/46 (2006.01); C22C 38/00 (2006.01); C22C 38/04 (2006.01); C22C 38/06 (2006.01); C22C 38/12 (2006.01); C22C 38/34 (2006.01);
U.S. Cl.
CPC ...
H01F 27/2455 (2013.01); C22C 38/02 (2013.01); H01F 1/147 (2013.01); H01F 1/14775 (2013.01); H01F 1/14783 (2013.01); H01F 3/02 (2013.01); H01F 41/024 (2013.01); C21D 1/26 (2013.01); C21D 1/76 (2013.01); C21D 3/04 (2013.01); C21D 6/008 (2013.01); C21D 8/12 (2013.01); C21D 8/1222 (2013.01); C21D 8/1233 (2013.01); C21D 8/1255 (2013.01); C21D 8/1261 (2013.01); C21D 8/1272 (2013.01); C21D 8/1283 (2013.01); C21D 8/1294 (2013.01); C21D 9/46 (2013.01); C21D 2201/05 (2013.01); C22C 38/002 (2013.01); C22C 38/004 (2013.01); C22C 38/008 (2013.01); C22C 38/04 (2013.01); C22C 38/06 (2013.01); C22C 38/12 (2013.01); C22C 38/34 (2013.01);
Abstract
This wound core is a wound core including: a substantially rectangular wound core main body in a side view in which first planar portions and corner portions are alternately continuous and at least one of two or more bent portions existing in at least one corner portion satisfies Equations (1) to (3) below.ave≤40 nm (1)()/ave≤0.50 (2)ave()≤240 nm (3)
Ushigami, Yoshiyuki. (2026). Wound core (U.S. Patent No. 12525384). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12525384
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile