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. 22, 1987
Filed:
Dec. 19, 1984
Applicant:
Inventors:
Takeo Ito, Yokohama, JP;
Hajime Takeuchi, Yokohama, JP;
Minoru Hashimoto, Kawasaki, JP;
Tatsumi Maeda, Yokohama, JP;
Assignee:
Kabushiki Kaisha Toshiba, , JP;
Primary Examiner:
Int. Cl.
CPC ...
C04B / ; G11B / ; G11B / ;
U.S. Cl.
CPC ...
428328 ; 428694 ; 428900 ; 427128 ;
Abstract
A magnetic recording medium in which a hexagonal crystalline system ferromagnetic powder having a specific surface area of 25 to 50 m.sup.2 /g is dispersed in a resinous binder is suitable for high-density recording which is low in noise and is excellent in orientation properties.
Ito, Takeo. (1987). Magnetic recording medium (U.S. Patent No. 4714654). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4714654
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile