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. 03, 2017
Filed:
Jun. 28, 2011
Applicants:
Takeshi Omura, Tokyo, JP;
Hiroaki Toda, Tokyo, JP;
Hiroi Yamaguchi, Tokyo, JP;
Seiji Okabe, Tokyo, JP;
Inventors:
Takeshi Omura, Tokyo, JP;
Hiroaki Toda, Tokyo, JP;
Hiroi Yamaguchi, Tokyo, JP;
Seiji Okabe, Tokyo, JP;
Assignee:
JFE Steel Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 41/00 (2006.01); C21D 8/12 (2006.01); H01F 1/16 (2006.01); C22C 38/02 (2006.01);
U.S. Cl.
CPC ...
H01F 41/00 (2013.01); C21D 8/1222 (2013.01); C21D 8/1233 (2013.01); C21D 8/1272 (2013.01); C21D 8/1288 (2013.01); C22C 38/02 (2013.01); H01F 1/16 (2013.01);
Abstract
A grain oriented electrical steel sheet is subjected to magnetic domain refinement by laser irradiation and has magnetic flux density Bof at least 1.91T, wherein the nitrogen content in the forsterite coating is 3.0 mass % or less. The grain oriented electrical steel sheet satisfies recent demand for iron loss reduction.
Omura, Takeshi. (2017). Grain oriented electrical steel sheet and method for manufacturing the same (U.S. Patent No. 9536657). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9536657
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile