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:
Sep. 08, 2026
Filed:
Jan. 05, 2023
Applicant:
Jfe Steel Corporation, Tokyo, JP;
Inventors:
Rinta Sato, Tokyo, JP;
Yoichi Makimizu, Tokyo, JP;
Ryoto Nishiike, Tokyo, JP;
Minoru Tanaka, Tokyo, JP;
Assignee:
JFE STEEL CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C 2/12 (2006.01); C22C 21/00 (2006.01); C22C 21/08 (2006.01); C22C 38/00 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01); C22C 38/06 (2006.01); C22C 38/28 (2006.01); C22C 38/32 (2006.01); C22C 38/60 (2006.01); C23C 2/20 (2006.01); C23C 2/28 (2006.01);
U.S. Cl.
CPC ...
C23C 2/12 (2013.01); C22C 21/00 (2013.01); C22C 21/08 (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); C22C 38/28 (2013.01); C22C 38/32 (2013.01); C22C 38/60 (2013.01); C23C 2/20 (2013.01); C23C 2/29 (2022.08);
Abstract
A hot pressed member includes: a steel material; an Al—Fe-based intermetallic compound layer with a thickness of 10 μm to 30 μm disposed on at least one side of the steel material; and Mg-containing oxide particles disposed on the Al—Fe-based intermetallic compound layer, wherein the Mg-containing oxide particles have an average particle size of 5.0 μm or less and a number density of 1000 particles/mmor more.