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:
May. 02, 1989
Filed:
Aug. 13, 1987
Applicant:
Inventors:
Hitoshi Yamamoto, Osaka, JP;
Masato Sagawa, Kyoto, JP;
Setsuo Fujimura, Kyoto, JP;
Yutaka Matsuura, Osaka, JP;
Assignee:
Sumitomo Special Metal Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F / ;
U.S. Cl.
CPC ...
148102 ; 148103 ; 148104 ; 419 12 ; 419 23 ; 419 29 ; 419 33 ; 419 38 ; 419 53 ; 419 54 ; 419 55 ; 419 57 ;
Abstract
A process for producing permanent magnet materials, which comprises the steps of: