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:
Aug. 25, 2026
Filed:
Mar. 11, 2022
Applicant:
Nippon Steel Corporation, Tokyo, JP;
Inventors:
Masaru Takahashi, Tokyo, JP;
Shuichi Yamazaki, Tokyo, JP;
Assignee:
NIPPON STEEL CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C 24/10 (2006.01); C25F 3/14 (2006.01); H01F 1/147 (2006.01);
U.S. Cl.
CPC ...
C23C 24/103 (2013.01); C25F 3/14 (2013.01); H01F 1/14791 (2013.01);
Abstract
This grain-oriented electrical steel sheet is a grain-oriented electrical steel sheet having a final annealing film mainly composed of forsterite and an insulation coating containing pseudo-tetragonal aluminum borate and silica on its surface, wherein one surface or both surfaces of the steel sheet have linear grooves or dot-row shaped recesses with a depth of 5 to 40 μm.
Takahashi, Masaru. (2026). Grain-oriented electrical steel sheet and manufacturing method therefor (U.S. Patent No. 12716134). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12716134
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile