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:
Feb. 05, 2013
Filed:
Jul. 13, 2010
Applicants:
Yoshiyuki Ushigami, Tokyo, JP;
Norikazu Fujii, Tokyo, JP;
Inventors:
Yoshiyuki Ushigami, Tokyo, JP;
Norikazu Fujii, Tokyo, JP;
Assignee:
Nippon Steel Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 1/147 (2006.01);
U.S. Cl.
CPC ...
Abstract
A silicon steel material is heated in a predetermined temperature range according to contents of B, N, Mn, S, and Se (step S), and is subjected to hot rolling (step S). Further, a finish temperature Tf of finish rolling in the hot rolling is performed in a predetermined temperature range according to the content of B. Through these treatments, a certain amount of BN is made to precipitate compositely on MnS and/or MnSe.
Ushigami, Yoshiyuki. (2013). Manufacturing method of grain-oriented electrical steel sheet (U.S. Patent No. 8366836). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8366836
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile