US Patent Issued to FUJIFILM on July 22 for "Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus" (Japanese Inventors)

ALEXANDRIA, Va., July 23 -- United States Patent no. 12,367,905, issued on July 22, was assigned to FUJIFILM Corp. (Tokyo).

"Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus" was invented by Ryosuke Yumiyama (Minamiashigara, Japan), Norihito Kasada (Minamiashigara, Japan), Nobuhito Onozuka (Minamiashigara, Japan) and Junya Sawada (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. A magnetic tape cartridge and a magnetic tape apparatus include the magnetic tape. A protruding peak height Spk specified in ISO 25178 on a surface of the magnetic layer is 1.5 nm or more a...