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. 06, 2013
Filed:
Apr. 14, 2009
Izumi Ozeki, Osaka, JP;
Katsuya Kume, Osaka, JP;
Junichi Nakayama, Osaka, JP;
Yuuki Fukuda, Osaka, JP;
Toshinobu Hoshino, Osaka, JP;
Tomokazu Horio, Osaka, JP;
Izumi Ozeki, Osaka, JP;
Katsuya Kume, Osaka, JP;
Junichi Nakayama, Osaka, JP;
Yuuki Fukuda, Osaka, JP;
Toshinobu Hoshino, Osaka, JP;
Tomokazu Horio, Osaka, JP;
Nitto Denko Corporation, Osaka, JP;
Abstract
The present invention relates to a permanent magnet manufactured by steps of: pulverizing a magnet raw material into fine particles having a grain size of 3 μm or less; mixing the pulverized magnet raw material with a rust preventive oil in which a high-melting metal element-containing organic compound or a precursor of a high-melting ceramic is dissolved, thereby preparing a slurry; compression molding the slurry to form a molded body; and sintering the molded body.