US Patent Issued to FUJIFILM on Nov. 25 for "Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus" (Japanese Inventors)

ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,482,493, issued on Nov. 25, was assigned to FUJIFILM Corp. (Tokyo).

"Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus" was invented by Yujin Shibata (Minamiashigara, Japan), Norihito Kasada (Minamiashigara, Japan), Takuto Kurokawa (Minamiashigara, Japan) and So Matsuyama (Minamiashigara, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "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 Sigma of the Ra in a width direction of the surface of the mag...