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:
Nov. 08, 1994
Filed:
May. 28, 1992
Applicant:
Inventors:
Assignee:
Yoshida Kogyo K.K., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F / ;
U.S. Cl.
CPC ...
148301 ; 148303 ; 420 83 ;
Abstract
A permanent magnet material having as main components thereof a rare earth element, a transition element (except for rare earth elements and Cu and Ag), and nitrogen and containing as an additive component thereof at least one element selected from the group consisting of Cu, Ag, Al, Ga, Zn, Sn, In, Bi, and Pb. It finds extensive utility in magnetic recording materials such as magnetic tapes, magnetic recording devices, and motors, for example.