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:
Jan. 21, 1986
Filed:
Apr. 26, 1983
Applicant:
Inventors:
Toshihiko Oguchi, Atsugi, JP;
Hirohisa Kato, Ebina, JP;
Moriyasu Wada, Ninomiya, JP;
Toshimitsu Asano, Yokohama, JP;
Assignee:
Tokyo Shibaura Denki Kabushiki Kaisha, Kawasaki, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
428328 ; 428329 ; 428330 ; 428694 ; 428900 ; 252 6263 ;
Abstract
Disclosed is a magnetic recording medium, characterized in that 5 to 100 parts by weight of hexagonal ferrite particles having an average particle diameter of 0.01 to 0.2 .mu.m and 100 parts by weight of ferromagnetic particles having a saturation magnetization of 72 to 220 emu/g and an average particle diameter larger than that of the hexagonal ferrite particles are dispersed in a resinous binder.
Oguchi, Toshihiko. (1986). Magnetic recording media having ferromagnetic and ferrite particles in (U.S. Patent No. 4565726). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4565726
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile