US Patent Issued to FUJIFILM on Nov. 4 for "Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus" (Japanese Inventors)

ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,462,839, issued on Nov. 4, was assigned to FUJIFILM Corp. (Tokyo).

"Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus" was invented by Junya Sawada (Minamiashigara, Japan), Norihito Kasada (Minamiashigara, Japan), Nobuhito Onozuka (Minamiashigara, Japan) and Ryosuke Yumiyama (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 dale void volume Vvv specified in ISO 25178 on a surface of the magnetic layer is 0.100 nm3 or more and 0....