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. 23, 2018
Filed:
Apr. 08, 2014
Applicant:
Jfe Steel Corporation, Chiyoda-ku, Tokyo, JP;
Inventors:
Takuya Takashita, Chiba, JP;
Naomichi Nakamura, Chiba, JP;
Assignee:
JFE STEEL CORPORATION, Chiyoda-ku, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 1/26 (2006.01); C22C 38/00 (2006.01); C22C 33/02 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01); C22C 38/06 (2006.01); C22C 38/42 (2006.01); H01F 3/08 (2006.01); H01F 41/02 (2006.01);
U.S. Cl.
CPC ...
H01F 1/26 (2013.01); C22C 33/02 (2013.01); C22C 38/00 (2013.01); C22C 38/001 (2013.01); C22C 38/002 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/06 (2013.01); C22C 38/42 (2013.01); H01F 3/08 (2013.01); H01F 41/0246 (2013.01);
Abstract
Iron powder for dust cores that is appropriate for manufacturing a dust core with low iron loss is obtained by setting the oxygen content in the powder to be 0.05 mass % or more to 0.20 mass % or less, and in a cross-section of the powder, setting the area ratio of inclusions to the matrix phase to be 0.4% or less.
Takashita, Takuya. (2018). Iron powder for dust core and insulation-coated iron powder for dust core (U.S. Patent No. 10109406). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10109406
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile