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:
Nov. 25, 2025
Filed:
Sep. 01, 2023
Applicant:
Fujifilm Corporation, Tokyo, JP;
Inventors:
Yujin Shibata, Minamiashigara, JP;
Norihito Kasada, Minamiashigara, JP;
Takuto Kurokawa, Minamiashigara, JP;
So Matsuyama, Minamiashigara, JP;
Assignee:
FUJIFILM Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/706 (2006.01); G11B 5/714 (2006.01); G11B 5/735 (2006.01);
U.S. Cl.
CPC ...
G11B 5/70678 (2013.01); G11B 5/714 (2013.01); G11B 5/7358 (2019.05);
Abstract
The magnetic tape includes: a non-magnetic support; and a magnetic layer containing a ferromagnetic powder, in which an arithmetic average roughness Ra measured on a surface of the magnetic layer is 1.5 nm or less, and standard deviation σ of the Ra in a width direction of the surface of the magnetic layer is 0.20 nm or less.
Shibata, Yujin. (2025). Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus (U.S. Patent No. 12482493). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12482493
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile