公开(公告)号：US11145330B1

公开(公告)日：2021-10-12

申请号：US17200923

申请日：2021-03-15

Applicant: FUJIFILM CORPORATION

Inventor： Yosuke Sumiya

IPC: G11B23/30 ,  G11B5/78 ,  G11B23/04 ,  G06K19/07 ,  G06K19/077 ,  G11B23/107

Abstract: Provided is a recording tape cartridge including: a case that accommodates a reel on which a recording tape is wound and includes a reference surface that serves as a reference in an axial direction of the reel in a case where the case is loaded into a drive device; a noncontact communication medium on which individual information is recorded, the noncontact communication medium being accommodated in the case and having a plate shape; a supporting portion that is formed in the case and supports one surface of the noncontact communication medium except for a lower end portion such that the noncontact communication medium is disposed while being inclined with respect to the reference surface at an angle of approximately 45 degrees; and a groove portion that is formed in the case and accommodates a portion of the lower end portion of the noncontact communication medium. The one surface of the lower end portion of the noncontact communication medium is not in contact with the case.

公开(公告)号：US11080494B2

公开(公告)日：2021-08-03

申请号：US16790757

申请日：2020-02-14

Applicant: FUJIFILM CORPORATION

Inventor： Ryosuke Osako ,  Yosuke Sumiya

IPC: G06K1/12 ,  G06K19/06 ,  G11B33/04

Abstract: A recording tape cartridge includes a case that is formed by a first half in which a first peripheral wall is erected around a top plate and a second half in which a second peripheral wall is erected around a bottom plate being joined to each other in a state where the first peripheral wall and the second peripheral wall are butted against each other and that stores a reel on which the recording tape is wound; and a label surface formed by a first half label surface of the first peripheral wall and a second half label surface of the second peripheral wall on a side opposite to a loading direction of the case to a drive device, and a one-dimensional barcode on which individual identification information is recorded is printed only on the second half label surface.

公开(公告)号：US10071514B2

公开(公告)日：2018-09-11

申请号：US14691583

申请日：2015-04-21

Applicant: FUJIFILM CORPORATION

Inventor： Yosuke Sumiya

IPC: B29C45/14 ,  G11B15/66 ,  G11B23/04 ,  G11B23/107

CPC classification number: B29C45/14311 ,  B29C2045/14327 ,  G11B23/043 ,  G11B23/107

Abstract: A release member molding method for mounting a metallic plate in a main body of a release member by insert-molding. The release member is to be provided to be integrally rotatable with a reel accommodated in a case, and to move a locking member from a locking position that locks rotation of the reel to an allowing position that allows rotation of the reel. The metallic plate touches a sliding protrusion portion of the locking member at a touching surface of the release member. The release member molding method includes an arranging step of arranging the metallic plate in a die and a molding step of charging a resin material into the die and molding the main body in which the metallic plate is mounted. The die contacts a portion of the metallic plate that excludes the touching surface, and the die does not contact the touching surface.

公开(公告)号：US09875768B2

公开(公告)日：2018-01-23

申请号：US15490924

申请日：2017-04-19

Applicant: FUJIFILM CORPORATION

Inventor： Yosuke Sumiya

IPC: G11B5/78 ,  G11B15/61 ,  G11B23/107

CPC classification number: G11B15/615 ,  G11B5/78 ,  G11B23/044 ,  G11B23/107

Abstract: A recording tape cartridge includes a reel including a reel hub having an outer diameter of an upper end portion which is smaller than that of a lower end portion, and including a lower flange in which plural through holes are radially formed. Inclined surfaces, formed at one edge portion and another edge portion of each of the through holes, are directed toward a flange circumferential direction. The one edge portion is directed in a rotational direction of the reel, when a recording tape is wound on the reel. The other edge portion is directed in the rotational direction when the recording tape is led out of the reel. An inclination angle with respect to a bottom surface of the lower flange of the inclined surface at the one edge portion is smaller than that of the inclined surface of the other edge portion.

公开(公告)号：US11694719B2

公开(公告)日：2023-07-04

申请号：US17810640

申请日：2022-07-05

Applicant: FUJIFILM CORPORATION

Inventor： Yosuke Sumiya

IPC: G11B20/00 ,  G11B33/10 ,  G11B5/008

CPC classification number: G11B20/00557 ,  G11B5/00813 ,  G11B33/10

Abstract: A library controller including a storage executes first registration processing of, in a case where registration completion information indicating registration completion in a cartridge management system is not stored in a cartridge memory provided in a cartridge, registering identification information for identifying the cartridge and the registration completion information in the cartridge memory, overwriting prohibition processing of prohibiting overwriting to the identification information and the registration completion information registered in the cartridge memory, second registration processing of registering the identification information in the storage, and execution processing of executing reading and writing of user data from and to the cartridge in a case where the identification information stored in the storage coincides with the identification information stored in the cartridge memory.

公开(公告)号：US11495246B2

公开(公告)日：2022-11-08

申请号：US17160534

申请日：2021-01-28

Applicant: FUJIFILM Corporation

Inventor： Norihito Kasada ,  Yosuke Sumiya

IPC: G11B5/008 ,  G11B5/706

Abstract: The magnetic tape cartridge includes a magnetic tape that is accommodated in the magnetic tape cartridge while being wound around a reel hub. The magnetic tape has a non-magnetic support and a magnetic layer including ferromagnetic powder, and includes one or more components selected from the group consisting of a fatty acid and a fatty acid amide in a portion on the magnetic layer side on the non-magnetic support, and after the magnetic tape cartridge is stored in an environment of an atmosphere temperature of 60° C. and a relative humidity of 80% for 24 hours, a C—H derived C concentration calculated from a C—H peak area ratio of C1s spectra obtained by X-ray photoelectron spectroscopic analysis performed at a photoelectron take-off angle of 10 degrees on a surface of the magnetic layer in an inner region during winding of the magnetic tape is 45 at % or more.

公开(公告)号：US20210241786A1

公开(公告)日：2021-08-05

申请号：US17160534

申请日：2021-01-28

Applicant: FUJIFILM Corporation

Inventor： Norihito KASADA ,  Yosuke Sumiya

IPC: G11B5/008 ,  G11B5/706

Abstract: The magnetic tape cartridge includes a magnetic tape that is accommodated in the magnetic tape cartridge while being wound around a reel hub. The magnetic tape has a non-magnetic support and a magnetic layer including ferromagnetic powder, and includes one or more components selected from the group consisting of a fatty acid and a fatty acid amide in a portion on the magnetic layer side on the non-magnetic support, and after the magnetic tape cartridge is stored in an environment of an atmosphere temperature of 60° C. and a relative humidity of 80% for 24 hours, a C—H derived C concentration calculated from a C—H peak area ratio of C1s spectra obtained by X-ray photoelectron spectroscopic analysis performed at a photoelectron take-off angle of 10 degrees on a surface of the magnetic layer in an inner region during winding of the magnetic tape is 45 at % or more.

公开(公告)号：US10167169B2

公开(公告)日：2019-01-01

申请号：US15018865

申请日：2016-02-09

Applicant: FUJIFILM CORPORATION

Inventor： Yosuke Sumiya

IPC: B65H75/14 ,  B65H75/50 ,  G11B23/04 ,  G11B23/107 ,  G11B23/113

Abstract: A reel comprises a bottomed circular tube shaped hub that has an outer peripheral face for winding a recording tape around; a first flange that is integrally molded to one end portion of the hub; a second flange that is joined to another end portion of the hub; a plurality of hole portions that are provided at equal intervals on a ring shaped reel gear formed at a lower face of a bottom plate of the hub; and a gate mark that is formed at the bottom plate of the hub, further to a radial direction inside than an inner peripheral face of the hub, wherein a difference in surface roughness between a weld portion and a non-weld portion on the outer peripheral face of the hub is 0.25 μm or less.

公开(公告)号：US10083717B2

公开(公告)日：2018-09-25

申请号：US15151504

申请日：2016-05-11

Applicant: FUJIFILM CORPORATION

Inventor： Yosuke Sumiya

IPC: G11B23/023 ,  B65D21/02

CPC classification number: G11B23/023 ,  B65D21/0202 ,  G11B23/0233

Abstract: There is provided a tape cartridge housing case, the case including (1) a case body having an upper wall portion that covers an upper face of a tape cartridge, a lower wall portion that covers a lower face of the tape cartridge, and an opening that the tape cartridge is inserted and removed through, (2) a first protrusion that is formed at an inner face of the lower wall portion, and that anchors an anchored portion, (3) a recess that is formed at an outer face of the lower wall portion at a position so as to be on the opposite side to the first protrusion in a front face-back face relationship, and (4) a second protrusion that is formed at an outer face of the upper wall portion at the same position as the recess in plan view.

公开(公告)号：US09812167B2

公开(公告)日：2017-11-07

申请号：US15367192

申请日：2016-12-02

Applicant: FUJIFILM CORPORATION

Inventor： Yosuke Sumiya ,  Katsuki Asano

IPC: G11B23/107 ,  G11B23/04

CPC classification number: G11B23/107 ,  G11B23/042 ,  G11B23/286

Abstract: A magnetic tape cartridge includes a substantially rectangular box shaped case that houses, inside a housing area, a single reel wound with a magnetic tape and equipped with a reel plate that is attracted and held by magnetic force when loaded into a drive device, and a metal-containing block that is disposed inside the case and outside the housing area of the reel, and has a proportion of metal by mass to a total mass of metal provided inside the case including the reel equipped with the magnetic tape and the reel plate of 18% or greater.