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:
Jun. 30, 1987
Filed:
Nov. 16, 1984
Applicant:
Inventors:
Shinichi Kitahata, Mishima, JP;
Mikio Kishimoto, Mishima, JP;
Assignee:
Hitachi Maxell, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ;
U.S. Cl.
CPC ...
428328 ; 427128 ; 252 6254 ; 428900 ; 428694 ;
Abstract
Magnetic recording medium comprising a magnetic layer formed by magnetic powder including acicular magnetic powder with the magnetic anisotropy to be oriented perpendicular to the acicular direction which is oriented in parallel with the magnetic layer.
Kitahata, Shinichi. (1987). Magnetic recording medium (U.S. Patent No. 4677024). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4677024
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile