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:
Jan. 25, 1994
Filed:
Feb. 20, 1992
Applicant:
Inventors:
Atsushi Hamamura, Kyoto, JP;
Katsumi Okayama, Kusatsu, JP;
Yuji Kaneko, Uji, JP;
Yasuhiro Okajima, Niihama, JP;
Kaname Takeya, Niihama, JP;
Shuji Okada, Kagawa, JP;
Assignees:
Sumitomo Special Metals Company Limited, Osaka, JP;
Sumitomo Metal Mining Company Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22F / ;
U.S. Cl.
CPC ...
75255 ; 148302 ;
Abstract
A powder for producing permanent magnets, comprising a blend of powders [A] and [B] or [C] wherein:
Hamamura, Atsushi. (1994). Powder material for rare earth-iron-boron based permanent magnets (U.S. Patent No. 5281250). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5281250
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile