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:
Dec. 16, 1997
Filed:
Apr. 09, 1996
Applicant:
Inventors:
Minoru Hashimoto, Yokohama, JP;
Tatsumi Maeda, Yokohama, JP;
Masahiro Fukasawa, Kamakura, JP;
Kazutaka Akiyama, Yokohama, JP;
Tsutomu Tanaka, Yokohama, JP;
Assignee:
Kabushiki Kaisha Toshiba, Kanagawa-ken, JP;
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
4286 / ; 4286 / ; 4286 / ; 428900 ; 252 6254 ; 252 6256 ; 252 6259 ; 252 6263 ; 252 6264 ;
Abstract
A magnetic recording medium is disclosed, which has a magnetic layer containing a hexagonal ferrite powder dispersed in a resin binder, the magnetic layer being formed on a nonmagnetic supporting substrate, wherein the hexagonal ferrite powder is a compound represented by the following chemical formula