FujiFilm Assigned Eleven Patents

Magnetic tape cartridge, drive, system, and method of operating magnetic tape drive
FujiFilm Corporation, Tokyo, Japan, has been assigned a patent (12073853) developed by Nakao; Toru, Kasada; Norihito, Kaneko; Tetsuya, and Musha; Atsushi, Kanagawa, Japan, for “magnetic tape cartridge, magnetic tape drive, magnetic tape system, and method of operating magnetic tape drive.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “Provided is a magnetic tape cartridge including: a case in which a magnetic tape on which a plurality of servo bands are formed is accommodated; and a storage medium provided in the case, in which the plurality of servo bands are formed at positions spaced apart from each other in a width direction of the magnetic tape along an entire length direction of the magnetic tape, and the storage medium stores pitch information capable of specifying a pitch in the width direction between the plurality of servo bands and distance information capable of specifying a distance between a plurality of servo reading elements that have read the plurality of servo bands.”

The patent application was filed on 2023-02-02 (18/163606).

Detection device, inspection device, tape cartridge, tape, tape drive, system, detection method, inspection method, and program
FujiFilm Corporation, Tokyo, Japan, has been assigned a patent (12073859) developed by Kaneko; Tetsuya, Nakao; Toru, and Akano; Yoichi, Kanagawa, Japan, for “detection device, inspection device, magnetic tape cartridge, magnetic tape, magnetic tape drive, magnetic tape system, detection method, inspection method, and program.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A detection device includes a processing device and a storage medium. The processing device stores a result of reading a reference servo pattern by a servo reading element in the storage medium as an ideal waveform signal, acquires a servo band signal which is a result of reading a servo pattern recorded in a servo band by the servo reading element, and detects a servo pattern signal which is a result of reading the servo pattern by the servo reading element by comparing the ideal waveform signal with the servo band signal. The reference servo pattern is recorded between a BOT section and an EOT section in a longitudinal direction of the magnetic tape.”

The patent application was filed on 2022-12-22 (18/145088).

Magnetic tape, cartridge, and device
FujiFilm Corporation, Tokyo, Japan, has been assigned a patent (12057150) developed by Tsujimoto; Shinji, Minamiashigara, Japan, for “magnetic tape, magnetic tape cartridge, and magnetic tape device.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “The magnetic tape has one or more of each of an area A and an area B having different center line average surface roughness Ra measured on a surface of a magnetic layer in a region over a part of the magnetic tape in a longitudinal direction, with a ratio B.sub.Mag/A.sub.Mag of 1.20 to 10.00 and a ratio B.sub.Mag/B.sub.Back of equal to or greater than 2.0 in a case where extraction amounts per unit area of a component selected from the group consisting of fatty acid, fatty acid ester, and fatty acid amide extracted from a magnetic layer side of the area A and the area B are defined as A.sub.Mag and B.sub.Mag respectively, and an extraction amount per unit area of the above component extracted from a back coating layer side of the area B is defined as B.sub.Back.”

The patent application was filed on 2023-01-30 (18/161284).

Noncontact storage medium, magnetic tape cartridge, method for operating noncontact storage medium, and program
FujiFilm Corporation, Tokyo, Japan, has been assigned a patent (12050954) developed by Kataoka; Eiichiro, Kanagawa, Japan, for “noncontact storage medium, magnetic tape cartridge, method for operating noncontact storage medium, and program.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A noncontact storage medium that is mounted in a magnetic tape cartridge includes an IC chip that is connected to an antenna to be coupled to a communication destination by electromagnetic induction through a magnetic field applied from the communication destination, and performs communication with the communication destination through the magnetic field, and the IC chip corresponds a plurality of communication standards, and performs the communication selectively using the plurality of communication standards.”

The patent application was filed on 2023-01-18 (18/155743).

Magnetic tape, cartridge, and apparatus
FujiFilm Corporation, Tokyo, Japan, has been assigned a patent (12051448) developed by Oyanagi; Noriko, Minamiashigara, Japan, for “magnetic tape, magnetic tape cartridge, and magnetic tape apparatus.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “Provided are a magnetic tape, a magnetic tape cartridge and a magnetic tape apparatus including the magnetic tape. The magnetic tape includes: a non-magnetic support; and a magnetic layer containing a ferromagnetic powder. An amount of a fluid lubricant extracted from a surface of the magnetic layer after sliding on a magnetic head in an environment of a temperature of 60° C +/-1° C. and a relative humidity of 10% is 50% or more of an amount of the fluid lubricant extracted from the surface of the magnetic layer before the sliding, on a mass basis.”

The patent application was filed on 2023-07-18 (18/354336).

Magnetic tape cartridge and magnetic recording and reproducing device
FujiFilm Corporation, Tokyo, Japan, has been assigned a patent (12040002) developed by Kasada; Norihito, and Kaneko; Yusuke, Minamiashigara, Japan, for “magnetic tape cartridge and magnetic recording and reproducing device.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “In the magnetic tape, a maximum value of magnetic tape deformation amounts after storage in each of five environments for 1 year is 0.50µm or less, a rate of a change of magnetic tape deformation amount with respect to a change in relative humidity obtained from the five magnetic tape deformation amounts is 0.0001µm/% to 0.0500 µm/%, and a rate of a change of the magnetic tape deformation amount with respect to a change in temperature obtained from the five magnetic tape deformation amounts is 0.0010 µm/°C. to 0.1000 µm/°C.”

The patent application was filed on 2022-04-27 (17/730348).

Noncontact communication device, magnetic tape drive, noncontact communication system, method for operating noncontact communication device, and program
FujiFilm Corporation, Tokyo, Japan, has been assigned a patent (12027186) developed by Kataoka; Eiichiro, Kanagawa, Japan, for “noncontact communication device, magnetic tape drive, noncontact communication system, method for operating noncontact communication device, and program.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A noncontact communication device includes a processor, and a transmission and reception device that applies a magnetic field to a noncontact storage medium mounted in a magnetic tape cartridge to induce power in the noncontact storage medium and is coupled to the noncontact storage medium by electromagnetic induction to perform transmission and reception of information with the noncontact storage medium. The noncontact storage medium has a measurement circuit that measures the power, and transmits power information regarding the power measured by the measurement circuit to the noncontact communication device. The transmission and reception device receives the power information, and the processor is configured to execute support processing of supporting the transmission and reception based on the power information received by the transmission and reception device.”

The patent application was filed on 2023-02-24 (18/173783).

Detection device, inspection device, magnetic tape cartridge, tape drive, detection method, inspection method, and program
FujiFilm Corporation, Tokyo, Japan, has been assigned a patent (12027185) developed by Akano; Yoichi, Nakao; Toru, and Kaneko; Tetsuya, Kanagawa, Japan, for “detection device, inspection device, magnetic tape cartridge, magnetic tape, magnetic tape drive, magnetic tape system, detection method, inspection method, and program.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A detection device includes a processing device and a storage medium. The processing device stores a result of reading a servo pattern by a servo reading element from a magnetic tape in which the servo pattern is recorded in a servo band, in the storage medium as an ideal waveform signal indicating an ideal waveform, acquires a servo band signal which is a result of reading the servo band by the servo reading element, and detects a servo pattern signal indicating the servo pattern by comparing the ideal waveform signal stored in the storage medium with the servo band signal.”

The patent application was filed on 2022-12-22 (18/145539).

Magnetic recording medium, magnetic tape cartridge, and recording and reproducing device
FujiFilm Corporation, Tokyo, Japan, has been assigned a patent (12014759) developed by Fujimoto; Takashi, and Ozawa; Eiki, Minamiashigara, Japan, for “magnetic recording medium, magnetic tape cartridge, and magnetic recording and reproducing device.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “Provided are: a magnetic recording medium including a non-magnetic support and a magnetic layer containing a ferromagnetic powder, in which the ferromagnetic powder is an ?-iron oxide powder, a vertical squareness ratio SQ of the magnetic recording medium is 0.50 or more and 0.95 or less at a measurement temperature of 25° C., and an inclination of SQ obtained from SQ at a measurement temperature of 10+ C., SQ at a measurement temperature of 25° C., and SQ at a measurement temperature of 40° C. is -0.0050° C^-1 or more and –(0.0003° C^-1 or less; a magnetic tape cartridge including the magnetic recording medium which is a magnetic tape; and a magnetic recording and reproducing device including the magnetic recording medium.”

The patent application was filed on 2023-03-29 (18/192386).

Tape reel, magnetic tape cartridge, and drive
FujiFilm Corporation, Tokyo, Japan, has been assigned a patent (12014756) developed by Ishikawa; Ren, Kanagawa, Japan, for “tape reel, magnetic tape cartridge, and magnetic tape drive.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A tape reel includes a hub that has a cylindrical shape and around which a tape is wound, and a reinforcing member provided on an inner peripheral side of the hub, in which the reinforcing member includes a shaft member having a longitudinal direction along a central axis direction of the hub, and a plurality of ribs that are provided along the longitudinal direction and have an annular shape that extends from an outer peripheral surface of the shaft member toward an inner peripheral surface of the hub, and the plurality of ribs include a first rib provided in a central region in the longitudinal direction.”

The patent application was filed on 2023-06-27 (18/341769).

Magnetic tape cartridge and recording and reproducing device
FujiFilm Corporation, Tokyo, Japan, has been assigned a patent (12009017) developed by Kasada; Norihito, and Kaneko; Yusuke, Minamiashigara, Japan, for “magnetic tape cartridge and magnetic recording and reproducing device.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “In the magnetic tape, in a case where a maximum value of an absolute value of a difference between a servo band spacing obtained before storage in an environment of a temperature of 32° C. and relative humidity of 55% and a servo band spacing obtained after storage in the environment for a storage time T is set to A, and T is defined as 24 hours, 48 hours, 72 hours, 96 hours, or 120 hours, a medium life calculated by a linear function of A and a logarithm log.sub._eT of T, that are derived from a value of A and a value of the logarithm log._eT of T obtained for each T is 3 years or longer. The medium life is T in a case where the A satisfies Equation 1: A=1.5-B.”

The patent application was filed on 2022-04-27 (17/730763).