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.

Date of Patent:
Apr. 07, 1987

Filed:

Aug. 23, 1985
Applicant:
Inventors:

Fumihiro Tokunaga, Kanagawa, JP;

Takamitsu Asai, Kanagawa, JP;

Masaaki Fujiyama, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
428323 ; 252 6254 ; 427128 ; 427131 ; 428328 ; 428329 ; 428330 ; 428694 ; 428900 ;
Abstract

A magnetic recording medium is disclosed. The medium comprises a non-magnetic support having provided thereon a magnetic layer comprising a binder, a magnetic powder and a powder of an oxide represented by the formula:


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