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:
Jul. 05, 2005
Filed:
Jun. 04, 2004
Applicants:
Satoshi Matsubaguchi, Kanagawa, JP;
Hiroaki Takano, Kanagawa, JP;
Inventors:
Satoshi Matsubaguchi, Kanagawa, JP;
Hiroaki Takano, Kanagawa, JP;
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B005/706 ; G11B005/702 ;
U.S. Cl.
CPC ...
Abstract
A magnetic recording medium comprising a non-magnetic support and a magnetic layer containing a binder and a ferromagnetic metal powder dispersed in the binder, wherein the binder contains a polyurethane resin obtained from a polyester polyol, a chain extender, and an organic diisocyanate, and the magnetic layer has a product Π of coercive force Hc (kA/m) in an in-plane, longitudinal direction and magnetic flux Øm (Tμm) in a range of from 400 to 800.