FujiFilm Assigned Patent

FujiFilm Corporation, Tokyo, Japan, has been assigned a patent (10,236,025) developed by Kaneko, Tetsuya, Kasada, Norihito, and Ozawa, Eiki, Minami-ashigara, Japan, for an “evaluation method of magnetic tape and manufacturing method of magnetic tape.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”Provided are an evaluation method of a magnetic tape, in which the magnetic tape which is an evaluation target includes a magnetic layer including a servo pattern, the method including: reading the servo pattern by a magnetic head including a tunnel magnetoresistance effect type element as a servo pattern reading element, measuring electric resistance of the tunnel magnetoresistance effect type element after the reading, and determining quality of the magnetic tape by using a degree of a decrease in the measured electric resistance from a reference value as an index, and a manufacturing method of a magnetic tape including: evaluating the magnetic tape including a servo pattern in a magnetic layer by the evaluation method.”

The patent application was filed on December 26, 2017 (15/854,520).