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:
Jul. 23, 1996
Filed:
Aug. 11, 1994
Applicant:
Inventors:
Yasunobu Ogata, Fukaya, JP;
Mikio Yamamoto, Fukaya, JP;
Assignee:
Hitachi Metals, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
252 6263 ; 252 6262 ; 252 / ; 501-1 ; 501123 ;
Abstract
A method of producing a ferrite magnet which comprises the steps of wet-grinding ferrite powder contained in a slurry to prepare a slurry of fine ferrite particles; concentrating the slurry of fine ferrite particles to have a predetermined solid content; kneading the concentrated slurry to disperse the fine ferrite particles; wet-compacting the kneaded slurry to form a green body; and sintering the green body to obtain the ferrite magnet. The ferrite powder having the following composition:
Ogata, Yasunobu. (1996). Method of producing ferrite magnet (U.S. Patent No. 5538657). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5538657
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile