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. 06, 2023
Filed:
Mar. 12, 2021
Applicant:
Fujifilm Corporation, Tokyo, JP;
Inventors:
Takashi Fujimoto, Minami-ashigara, JP;
Norihito Kasada, Minami-ashigara, JP;
Eiki Ozawa, Minami-ashigara, JP;
Assignee:
FUJIFILM Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/70 (2006.01); G11B 5/706 (2006.01);
U.S. Cl.
CPC ...
G11B 5/70642 (2013.01);
Abstract
The magnetic tape includes a non-magnetic support and a magnetic layer including ferromagnetic powder, in which the ferromagnetic powder is ε-iron oxide powder, and a coefficient of variation of particle size of the ε-iron oxide powder in a longitudinal direction of the magnetic layer is 0.50% or more and 5.00% or less.
Quick Actions:
Fujimoto, Takashi. (2023). Magnetic tape having characterized coefficient of variation of e-iron oxide powder particle size, magnetic tape cartridge, and magnetic recording and reproducing apparatus (U.S. Patent No. 11670333). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11670333
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile