FujiFilm Assigned Fourteen Patents

Magnetic recording medium, magnetic tape cartridge, and magnetic recording and reproducing device
FujiFilm Corporation, Tokyo, Japan, has been assigned a patent (11842756) 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 ε-iron oxide powder, a vertical magnetization amount Φm per unit area of the magnetic recording medium is 5 G.Math.μm or more and 100 G.Math.μm or less at a measurement temperature of 25° C., and an inclination of Φm obtained from Φm at a measurement temperature of 10° C., Φm at a measurement temperature of 25° C., and Φm at a measurement temperature of 40° C. is −0.20 G.Math.μm/° C. or more and −0.03 G.Math.μm/° C. 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 2023-03-23 (18/188639).

Magnetic tape container
FujiFilm Corporation, Tokyo, Japan, has been assigned a patent (11842752) developed by Kamimura, Shota, Murata, Yuto, Ueyama, Tomohide, and Kasada, Norihito, Minamiashigara, Japan, for a “magnetic tape container.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “The magnetic tape container includes a core around which a magnetic tape is wound. The magnetic tape includes a non-magnetic support, and a magnetic layer including a ferromagnetic powder, and the roundness of the trajectory of one rotation drawn by the magnetic tape in a case where the wound magnetic tape is pulled out from the core is 100 μm or less as the arithmetic mean of the measured values at three points in the width direction of the magnetic tape.”

The patent application was filed on 2022-02-25 (17/680961).

Magnetic tape cartridge group and magnetic recording and reproducing device
FujiFilm Corporation, Tokyo, Japan, has been assigned a patent (11823711) developed by Kasada, Norihito, and Kaneko, Yusuke, Minamiashigara, Japan, for “magnetic tape cartridge group and magnetic recording and reproducing device.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “Regarding 100 reels of magnetic tape cartridges in the magnetic tape cartridge group, in a case where a maximum value of an absolute value of a difference between a servo band spacing obtained before storage in a predetermined environment and a servo band spacing obtained after storage in the predetermined environment for storage time T is defined as A, an arithmetic mean of a medium lives calculated by a linear function derived from a value of A and a value of the logarithm log.sub.e T of T is 4 years or longer and 3σ is 1 year or shorter. The medium life is T in a case where A satisfies Equation 1=1.5−B, and the B is a value calculated by multiplying a difference between a maximum value and a minimum value of the servo band spacings obtained in each of the five predetermined environments by ½.”

The patent application was filed on 2022-06-23 (17/847970).

Magnetic tape cartridge, information acquisition method, and program
FujiFilm Corporation, Tokyo, Japan, has been assigned a patent (11810603) developed by Nakamigawa, Junichi, Komori, Yasushi, Kaneko, Yusuke, Kira, Tadashi, Kasada, Norihito, and Nakao, Toru, Kanagawa, Japan, for “magnetic tape cartridge, information acquisition method, and program.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A magnetic tape cartridge includes a case that accommodates a magnetic tape on which a plurality of servo bands and a plurality of data bands are formed, servo patterns being recorded in the servo bands, and a memory provided in the case. The memory stores servo pattern interval-related information related to a servo pattern interval determined for each of the plurality of data bands included in the magnetic tape. The servo pattern interval is commonly used for a plurality of division areas obtained by dividing the data band in a width direction of the magnetic tape, and is a representative interval between a first servo pattern and a second servo pattern.”

The patent application was filed on 2022-08-29 (17/822803).

Tape reel in which bending elastic modulus of first flange is smaller than that of second flange, and tape cartridge
FujiFilm Corporation, Tokyo, Japan, has been assigned a patent (11798592) developed by Sumiya, Yosuke, Kanagawa, Japan, for “tape reel in which a bending elastic modulus of a first flange is smaller than that of a second flange, and tape cartridge.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A tape is prevented from moving in a width direction and the tape is prevented from being damaged in a state in which the tape is wound around a tape reel. There is provided a tape reel including: a cylindrical portion around which a tape is wound, a first flange annularly projecting toward an outer side in a radial direction of the cylindrical portion from the cylindrical portion, and a second flange separated from the first flange in an axial direction of the cylindrical portion and annularly projecting toward the outer side in the radial direction from the cylindrical portion, in which a distance between the first flange and the second flange becomes narrower while extending toward the outer side in the radial direction, and a bending elastic modulus of the first flange is smaller than a bending elastic modulus of the second flange.”

The patent application was filed on 2023-03-14 (18/183171).

Noncontact communication medium, magnetic tape cartridge, method for operating noncontact communication medium, and program
FujiFilm Corporation, Tokyo, Japan, has been assigned a patent (11783859) developed by Kataoka, Eiichiro, Kanagawa, Japan, for “noncontact communication medium, magnetic tape cartridge, method for operating noncontact communication medium, and program.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A noncontact communication medium includes a processor, and a memory incorporated in or connected to the processor, and performs noncontact communication with an external communication device. The memory has a storage block where information regarding an attribute of the noncontact communication medium is stored and that includes a plurality of storage fields. The plurality of storage fields include a specification-independent storage field where information independent of a specification of a magnetic tape cartridge, in which the noncontact communication medium is mounted, is stored. The processor is configured to write accompanying information regarding the magnetic tape cartridge in the specification-independent storage field in response to an instruction given from the external communication device to the noncontact communication medium by the noncontact communication.”

The patent application was filed on 2022-11-18 (18/056719).

Information processing device, method, and program
FujiFilm Corporation, Tokyo, Japan, has been assigned a patent (11783852) developed by Kondo, Michitaka, Oishi, Yutaka, Miyamoto, Takashi, Watanabe, Terue, Matsumura, Koji, and Uno, Yuko, Tokyo, Japan, for “information processing device, information processing method, and information processing program.“

 The abstract of the patent published by the U.S. Patent and Trademark Office states: “An information processing device selects, in a case where a plurality of pieces of data are collected and transmitted to a tape drive to be recorded on a magnetic tape, one mode of a first mode of transmitting a data group obtained by collecting the plurality of pieces of data without compression, to the tape drive, a second mode of transmitting a compressed data group in which the data group obtained by collecting the plurality of pieces of data is compressed, to the tape drive, or a third mode of transmitting a data group obtained by collecting a part of the plurality of pieces of data and remaining data, in which the part of the plurality of pieces of data is compressed and the remaining data is not compressed, to the tape drive, and transmits a data group generated in accordance with the selected mode, to the tape drive.”

The patent application was filed on 2022-08-25 (17/822133).

Information processing device, method, and program
FujiFilm Corporation, Tokyo, Japan, has been assigned a patent (11763840) developed by Kondo, Michitaka, Oishi, Yutaka, Miyamoto, Takashi, Watanabe, Terue, Matsumura, Koji, and Uno, Yuko, Tokyo, Japan, for “information processing device, information processing method, and information processing program.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “An information processing device performs control to record deletion information indicating that an object with a designated object ID has been deleted, on a recording medium, in a case where a specific object ID is designated and an instruction to delete the object is input, for a magnetic tape on which an object that includes data and metadata related to the data and that is assigned an object ID as identification information is recorded, the object being assigned an object ID in a case where the object is updated different from an object ID of the object before the update.”

The patent application was filed on 2022-08-10 (17/818714).

Magnetic tape cartridge and device
FujiFilm Corporation, Tokyo, Japan, has been assigned a patent (11756584) developed by Kasada, Norihito, Minamiashigara, Japan, for “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 cartridge includes a magnetic tape, and a cartridge reel, in which, in the magnetic tape, a minimum winding deviation occurrence load measured after the magnetic tape is rewound around the cartridge reel by applying a tension of 0.20 N in a longitudinal direction of the magnetic tape is 200 N or less.”

The patent application was filed on 2021-12-22 (17/645703).

Magnetic Tape and magnetic tape container
FujiFilm Corporation, Tokyo, Japan, has been assigned a patent (11735218) developed by Kasada, Norihito, and Murata, Yuto, Minamiashigara, Japan, for “magnetic Tape and magnetic tape container.“

 The abstract of the patent published by the U.S. Patent and Trademark Office states: “The magnetic tape includes a non-magnetic support, and a magnetic layer including a ferromagnetic powder. A dimension change amount Δw in a width direction with respect to a tension change in a longitudinal direction is 400 ppm/N to 900 ppm/N, the magnetic layer includes a plurality of servo bands, and a coefficient of variation CV calculated by Equation A: CV=(σG/Δw)×100 is 10% or less. The σG is a standard deviation of servo band intervals measured in a region of the magnetic tape over 100 m in the longitudinal direction with a tension of 0.6 N in the longitudinal direction. A magnetic tape container containing the magnetic tape.”

The patent application was filed on 2022-02-25 (17/680866).

Magnetic tape container
FujiFilm Corporation, Tokyo, Japan, has been assigned a patent (11735219) developed by Kamimura, Shota, Murata, Yuto, Ueyama, Tomohide, and Kasada, Norihito, Minamiashigara, Japan, for a “magnetic tape container.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “The magnetic tape container includes a core around which a magnetic tape is wound. The magnetic tape includes a non-magnetic support, and a magnetic layer including a ferromagnetic powder. A maximum value of a deviation of a center position of an average minimum region reference circle of a trajectory of one rotation drawn by the magnetic tape, in a case where the wound magnetic tape is drawn out from the core core is 100 μm or less for three points of the magnetic tape in a width direction.”

The patent application was filed on 2022-02-25 (17/680904).

Magnetic tape device
FujiFilm Corporation, Tokyo, Japan, has been assigned a patent (11735213) developed by Kasada, Norihito, and Musha, Atsushi, Minamiashigara, Japan, for a “magnetic tape device.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A magnetic tape device. The angle θ formed by the axis of the element array of the magnetic head with respect to a width direction of the magnetic tape is changed during running of the magnetic tape in the magnetic tape device. The magnetic tape satisfies Equation 1: TDSage+TDSenv−TC≤0.10 μm. In Equation 1, the TDSage is a maximum value of an absolute value of a difference between a servo band spacing obtained before storage for 24 hours in a predetermined environment and a servo band spacing obtained after the storage. TDSenv is a value calculated by multiplying a difference between a maximum value and a minimum value of servo band spacings obtained in each of five predetermined environments by ½, and TC is a value calculated by TC=L{cos (θ.sub.initial−Δθ)−cos (θ.sub.initial+Δθ)}.m the core core is 100 μm or less for three points of the magnetic tape in a width direction.”

The patent application was filed on 2022-07-25 (17/872566).

Magnetic tape cartridge, drive, system, and method of operating magnetic tape drive
FujiFilm Corporation, Tokyo, Japan, has been assigned a patent (11705159) developed by Kaneko, Yusuke, Nakao, Toru, Musha, Atsushi, and Kasada, Norihito, Kanagawa, Japan, for a “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: “A magnetic tape cartridge includes a case in which a magnetic tape is housed, and an NVM of a cartridge memory provided in the case. The NVM stores cartridge information including an identification ID regarding an allowable range of temperature/humidity in using the magnetic tape, an upper limit of a preservation period of the magnetic tape, and an upper limit of a use frequency of the magnetic tape.”

The patent application was filed on 2022-02-02 (17/591593).

Magnetic tape cartridge and magnetic tape device having characterized winding deviation occurrence load
FujiFilm Corporation, Tokyo, Japan, has been assigned a patent (11676637) developed by Kasada, Norihito, and Kagawa, Yusuke, Kanagawa, Japan, for a “magnetic tape cartridge and magnetic tape device having characterized winding deviation occurrence load.“

The abstract of the patent published by the U.S. Patent and Trademark Office states: “The magnetic tape cartridge includes a magnetic tape, and a cartridge reel. In the magnetic tape, a minimum winding deviation occurrence load measured after the magnetic tape is rewound around the cartridge reel by applying a tension of 0.40 N in a longitudinal direction of the magnetic tape is 300 N or less.”

The patent application was filed on 2021-07-02 (17/366039).