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:
Oct. 06, 2026
Filed:
Aug. 23, 2022
Applicant:
Nippon Steel Corporation, Tokyo, JP;
Inventors:
Assignee:
NIPPON STEEL CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21D 9/46 (2006.01); C22C 38/00 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01); C22C 38/06 (2006.01);
U.S. Cl.
CPC ...
C21D 9/46 (2013.01); C22C 38/001 (2013.01); C22C 38/002 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/06 (2013.01); C21D 2211/005 (2013.01);
Abstract
Provided is a steel sheet having a predetermined chemical composition, wherein an index A represented by 10[C]+0.3[Mn]−0.2[Si]−0.6[Al]−0.05[Cr]−0.2[Mo] is 1.10% or less, and a microstructure comprising, by area %, ferrite: 70 to 95%, and a hard phase: 5 to 30%, wherein a maximum connected length of the hard phase in a rolling direction at a sheet thickness ½ position is 80 μm or less, and a maximum connected length of the hard phase in a rolling direction at a sheet thickness ¼ position is 40 μm or less.
Hironaka, Satoshi. (2026). Steel sheet (U.S. Patent No. 12753460). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12753460
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile