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:
Dec. 23, 2025
Filed:
Nov. 18, 2021
Applicant:
Max Planck Gesellschaft Zur Förderung Der Wissenschaften Ev, Munich, DE;
Inventors:
Claudia Felser, Halle, DE;
Yangkun He, Dresden, DE;
Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/49 (2006.01); G11C 11/16 (2006.01); H01F 10/12 (2006.01); H01F 41/30 (2006.01);
U.S. Cl.
CPC ...
G11B 5/4946 (2013.01); G11C 11/161 (2013.01); H01F 10/123 (2013.01); H01F 10/126 (2013.01); H01F 41/301 (2013.01);
Abstract
The present invention relates to a metallic hard magnetic material selected from an at least binary ferromagnetic or ferrimagnetic compound, with the metallic hard magnetic material including at least two different elements selected from the group consisting of 3d and 4f elements, where the metallic hard magnetic material is under an external magnetic field B of ≥0.1 T.
Felser, Claudia. (2025). Magnetic bubble memory from 4f lanthanide and ferromagnetic type materials (U.S. Patent No. 12505857). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12505857
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile