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. 19, 1987
Filed:
Jul. 11, 1985
Applicant:
Inventors:
Takamitsu Asai, Odawara, JP;
Masaaki Fujiyama, Odawara, JP;
Assignee:
Fuji Photo Film Co., Ltd., Minami-ashigara, JP;
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
428323 ; 428694 ; 428900 ;
Abstract
A magnetic recording medium having an improved surface smoothness of the coating layer, improved degree of orientation in a magnetic field and increased output is provided which comprises a non-magnetic support and a magnetic recording layer provided thereon containing a ferromagnetic substance of plate-shaped hexagonal system, and having a surface gloss value of 180% or more.
Quick Actions:
Asai, Takamitsu. (1987). Magnetic recording medium (U.S. Patent No. 4666770). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4666770
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile