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. 27, 2012
Filed:
Jul. 15, 2009
Applicants:
Akihito Kiyose, Tokyo, JP;
Hideaki Yamamura, Tokyo, JP;
Tooru Matsumiya, Tokyo, JP;
Inventors:
Assignee:
Nippon Steel Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 38/00 (2006.01); C22C 38/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A steel product for welding includes the following component: by mass %, C: 0.3% or less, Si: 0.5% or less, Mn: 0.3˜2%, P: 0.03% or less, S: 0.03% or less, Al: 0.3˜5%, O: 0.003˜0.01%, and N: 0.006% or less; wherein the balance is composed of Fe and inevitable impurities; wherein Al-containing oxides having a size of 0.005 to 0.05 μm are dispersed in steel at a ratio of 1×10/mmor more.
Kiyose, Akihito. (2012). Steel product for welding (U.S. Patent No. 8142574). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8142574
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile