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. 20, 2026
Filed:
Oct. 17, 2023
Applicant:
Daido Steel Co., Ltd., Nagoya, JP;
Inventor:
Masamichi Kawano, Nagoya, JP;
Assignee:
Daido Steel Co., Ltd., Nagoya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 38/46 (2006.01); C22C 38/00 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01); C22C 38/06 (2006.01); C22C 38/42 (2006.01); C22C 38/44 (2006.01);
U.S. Cl.
CPC ...
C22C 38/46 (2013.01); C22C 38/001 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/06 (2013.01); C22C 38/42 (2013.01); C22C 38/44 (2013.01);
Abstract
The present invention relates to a steel material containing: 0.19 mass %≤C≤0.31 mass %; 0.010 mass %≤V≤0.180 mass %; Mn≤1.50 mass %; 5.60 mass %≤Cr≤6.60 mass %; Cu+Ni≤0.84 mass %; 0.40 mass %≤Si≤1.40 mass %; 0.60 mass %≤Mo≤2.00 mass %; 0.001 mass %≤Al≤0.080 mass %; and 0.003 mass %≤N≤0.040 mass %, with a balance being Fe and unavoidable impurities, in which the contents of Mn and Cr satisfy Mn/Cr>0.150.
Kawano, Masamichi. (2026). Steel material and mold (U.S. Patent No. 12768021). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12768021
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile