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. 27, 2026
Filed:
Aug. 22, 2023
Applicant:
Nittetsu Mining Co., Ltd., Tokyo, JP;
Inventors:
Assignee:
NITTETSU MINING CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 1/03 (2006.01); B22F 1/05 (2022.01); B22F 1/142 (2022.01); B22F 1/16 (2022.01); B22F 1/17 (2022.01); C09C 3/06 (2006.01); C21D 6/00 (2006.01); C21D 9/00 (2006.01); C22C 38/06 (2006.01); C22C 38/10 (2006.01); C22C 38/14 (2006.01); C22C 38/16 (2006.01); C23C 28/00 (2006.01);
U.S. Cl.
CPC ...
H01F 1/0306 (2013.01); B22F 1/05 (2022.01); B22F 1/142 (2022.01); B22F 1/16 (2022.01); B22F 1/17 (2022.01); C09C 3/066 (2013.01); C21D 6/001 (2013.01); C21D 6/007 (2013.01); C21D 9/00 (2013.01); C22C 38/06 (2013.01); C22C 38/105 (2013.01); C22C 38/14 (2013.01); C22C 38/16 (2013.01); C23C 28/32 (2013.01); C23C 28/3455 (2013.01); B22F 2201/10 (2013.01); B22F 2301/255 (2013.01); B22F 2301/35 (2013.01); B22F 2302/25 (2013.01); B22F 2304/10 (2013.01); B22F 2998/10 (2013.01); B22F 2999/00 (2013.01); C01P 2004/61 (2013.01); C01P 2004/80 (2013.01); C01P 2006/12 (2013.01); C01P 2006/42 (2013.01); C01P 2006/62 (2013.01);
Abstract
An object of the present invention is to provide a semi-hard magnetic white powder having characteristics suitable as a security pigment, such as the magnetic powder contained in magnetic inks used for MICR. The white powder includes base particles made of a semi-hard magnetic Alnico alloy, the base particles having a titanium oxide film and a metallic silver film in this order on the surfaces thereof.
Quick Actions:
Kishimoto, Akira. (2026). Semi-hard magnetic powder having a high value and method for synthesizing same (U.S. Patent No. 12776432). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12776432
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile