Patents by Inventor Reona IKEDA

Reona IKEDA has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11758660
    Abstract: A conductive member for a touch panel includes a transparent insulating member; and a plurality of first electrodes extending in a first direction and arranged in parallel in a second direction intersecting the first direction, in which the plurality of first electrodes are constituted by a first mesh conductive film a plurality of fine metal wires are electrically connected, the plurality of first electrodes include a plurality of first main electrodes each having an electrode width Wa defined in the second direction and at least one first sub-electrode having an electrode width Wb smaller than Wa of the first main electrode in the second direction, the first sub-electrode is the first electrode arranged on an outermost side among the plurality of first electrodes, an opening ratio of the first sub-electrode is smaller than that of the first main electrode, and the first main electrode has a first dummy pattern.
    Type: Grant
    Filed: February 9, 2022
    Date of Patent: September 12, 2023
    Assignee: FUJIFILM Corporation
    Inventors: Masaya Nakayama, Tadashi Kuriki, Reona Ikeda
  • Patent number: 11392256
    Abstract: A conductive member includes: a transparent insulating member; and a plurality of first electrodes each of which extend in a first direction and which are arranged in juxtaposition in a second direction orthogonal to the first direction, wherein the first electrode has a first detection electrode portion having a first mesh pattern constituted by electrically connecting a plurality of first mesh cells formed of metal fine wires and a first dummy pattern portion in the first electrode which is formed of metal fine wires arranged inside the first mesh cell of the first mesh pattern so as to be insulated from the first detection electrode portion, and in at least one of the first mesh cells, a first projection portion projecting from one side of the first mesh cell is formed so as to abut an end portion of the metal fine wire that forms the first dummy pattern portion.
    Type: Grant
    Filed: August 30, 2021
    Date of Patent: July 19, 2022
    Assignee: FUJIFILM Corporation
    Inventors: Masaya Nakayama, Reona Ikeda
  • Publication number: 20220171503
    Abstract: A conductive member for a touch panel includes a transparent insulating member; and a plurality of first electrodes extending in a first direction and arranged in parallel in a second direction intersecting the first direction, in which the plurality of first electrodes are constituted by a first mesh conductive film a plurality of fine metal wires are electrically connected, the plurality of first electrodes include a plurality of first main electrodes each having an electrode width Wa defined in the second direction and at least one first sub-electrode having an electrode width Wb smaller than Wa of the first main electrode in the second direction, the first sub-electrode is the first electrode arranged on an outermost side among the plurality of first electrodes, an opening ratio of the first sub-electrode is smaller than that of the first main electrode, and the first main electrode has a first dummy pattern.
    Type: Application
    Filed: February 9, 2022
    Publication date: June 2, 2022
    Applicant: FUJIFILM Corporation
    Inventors: Masaya NAKAYAMA, Tadashi KURIKI, Reona IKEDA
  • Patent number: 11284514
    Abstract: A conductive member 1 for a touch panel includes a plurality of first electrodes 11 extending in a first direction and arranged in parallel in a second direction intersecting the first direction, in which the plurality of first electrodes are constituted by a first mesh conductive film MF1 constituted by a plurality of fine metal wires Ma, and include a plurality of first main electrodes each having a defined electrode width Wa and at least one first sub-electrode having an electrode width Wb smaller than the electrode width Wa of the first main electrode, and in which over an entire region of the first sub-electrode, a mesh pitch Pb of the first mesh conductive film MF1 constituting the first sub-electrode in the second direction is smaller than a mesh pitch Pa of the first mesh conductive film MF1 constituting the first main electrode in the second direction.
    Type: Grant
    Filed: December 11, 2019
    Date of Patent: March 22, 2022
    Assignee: FUJIFILM Corporation
    Inventors: Masaya Nakayama, Tadashi Kuriki, Reona Ikeda
  • Publication number: 20210389844
    Abstract: A conductive member includes: a transparent insulating member; and a plurality of first electrodes each of which extend in a first direction and which are arranged in juxtaposition in a second direction orthogonal to the first direction, wherein the first electrode has a first detection electrode portion having a first mesh pattern constituted by electrically connecting a plurality of first mesh cells formed of metal fine wires and a first dummy pattern portion in the first electrode which is formed of metal fine wires arranged inside the first mesh cell of the first mesh pattern so as to be insulated from the first detection electrode portion, and in at least one of the first mesh cells, a first projection portion projecting from one side of the first mesh cell is formed so as to abut an end portion of the metal fine wire that forms the first dummy pattern portion.
    Type: Application
    Filed: August 30, 2021
    Publication date: December 16, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Masaya NAKAYAMA, Reona IKEDA
  • Patent number: 11137864
    Abstract: A first electrode on a first surface of a transparent insulating member has a first detection electrode portion having a first mesh pattern and a dummy pattern portion in the first electrode arranged so as to be insulated from the first detection electrode portion in a first mesh cell constituting the first mesh pattern, a second electrode on a second surface of the transparent insulating member has a second detection electrode portion having a second mesh pattern and a dummy pattern portion in the second electrode arranged so as to be insulated from a second detection electrode portion in a second mesh cell constituting the second mesh pattern, and a third mesh pattern is formed by combining the first detection electrode portion, the dummy pattern portion in the first electrode, the second detection electrode portion, and the dummy pattern portion in the second electrode.
    Type: Grant
    Filed: December 29, 2020
    Date of Patent: October 5, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Masaya Nakayama, Reona Ikeda
  • Publication number: 20210117044
    Abstract: A first electrode on a first surface of a transparent insulating member has a first detection electrode portion having a first mesh pattern and a dummy pattern portion in the first electrode arranged so as to be insulated from the first detection electrode portion in a first mesh cell constituting the first mesh pattern, a second electrode on a second surface of the transparent insulating member has a second detection electrode portion having a second mesh pattern and a dummy pattern portion in the second electrode arranged so as to be insulated from a second detection electrode portion in a second mesh cell constituting the second mesh pattern, and a third mesh pattern is formed by combining the first detection electrode portion, the dummy pattern portion in the first electrode, the second detection electrode portion, and the dummy pattern portion in the second electrode.
    Type: Application
    Filed: December 29, 2020
    Publication date: April 22, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Masaya NAKAYAMA, Reona IKEDA
  • Patent number: 10908755
    Abstract: A conductive member includes: a plurality of first electrodes; and a first dummy electrode which is arranged between the first electrodes adjacent to each other, in which the first electrode has a first detection electrode portion having a first mesh pattern constituted by electrically connecting a plurality of first mesh cells formed of metal fine wires and a dummy pattern portion in the first electrode which is formed of metal fine wires arranged inside the first mesh cell of the first mesh pattern so as to be insulated from the first detection electrode portion, the dummy pattern portion in the first electrode includes metal fine wires intersecting to each other, and the first dummy electrode is electrically insulated from the first detection electrode portion and is formed of metal fine wires.
    Type: Grant
    Filed: April 8, 2020
    Date of Patent: February 2, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Masaya Nakayama, Reona Ikeda
  • Patent number: 10845932
    Abstract: In a conductive member, a first detection electrode portions of a first electrode formed on a first surface of a transparent insulating substrate and a dummy portion in the second electrode of a second electrode formed on a second surface of the transparent insulating substrate are combined with each other to form a first mesh pattern, a second detection electrode portion of the second electrode formed on the second surface of the transparent insulating substrate and a dummy portion in the first electrode of the first electrode formed on the first surface of the transparent insulating substrate are combined with each other to form a second mesh pattern, and the first mesh pattern and the second mesh pattern are combined with each other to form a third mesh pattern.
    Type: Grant
    Filed: July 25, 2019
    Date of Patent: November 24, 2020
    Assignee: FUJIFILM Corporation
    Inventor: Reona Ikeda
  • Publication number: 20200233534
    Abstract: A conductive member includes: a plurality of first electrodes; and a first dummy electrode which is arranged between the first electrodes adjacent to each other, in which the first electrode has a first detection electrode portion having a first mesh pattern constituted by electrically connecting a plurality of first mesh cells formed of metal fine wires and a dummy pattern portion in the first electrode which is formed of metal fine wires arranged inside the first mesh cell of the first mesh pattern so as to be insulated from the first detection electrode portion, the dummy pattern portion in the first electrode includes metal tine wires intersecting to each other, and the first dummy electrode is electrically insulated from the first detection electrode portion and is formed of metal fine wires.
    Type: Application
    Filed: April 8, 2020
    Publication date: July 23, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Masaya NAKAYAMA, Reona IKEDA
  • Patent number: 10649606
    Abstract: A first electrode on a first surface of a transparent insulating member has a first detection electrode portion having a first mesh pattern and a dummy pattern portion in the first electrode arranged so as to be insulated from the first detection electrode portion in a first mesh cell constituting the first mesh pattern, a second electrode on a second surface of the transparent insulating member has a second detection electrode portion having a second mesh pattern and a dummy pattern portion in the second electrode arranged so as to be insulated from a second detection electrode portion in a second mesh cell constituting the second mesh pattern, and a third mesh pattern is formed by combining the first detection electrode portion, the dummy pattern portion in the first electrode, the second detection electrode portion, and the dummy pattern portion in the second electrode.
    Type: Grant
    Filed: August 26, 2019
    Date of Patent: May 12, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Masaya Nakayama, Reona Ikeda
  • Publication number: 20200117295
    Abstract: A conductive member 1 for a touch panel includes a plurality of first electrodes 11 extending in a first direction and arranged in parallel in a second direction intersecting the first direction, in which the plurality of first electrodes are constituted by a first mesh conductive film MF1 constituted by a plurality of fine metal wires Ma, and include a plurality of first main electrodes each having a defined electrode width Wa and at least one first sub-electrode having an electrode width Wb smaller than the electrode width Wa of the first main electrode, and in which over an entire region of the first sub-electrode, a mesh pitch Pb of the first mesh conductive film MF1 constituting the first sub-electrode in the second direction is smaller than a mesh pitch Pa of the first mesh conductive film MF1 constituting the first main electrode in the second direction.
    Type: Application
    Filed: December 11, 2019
    Publication date: April 16, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Masaya NAKAYAMA, Tadashi KURIKI, Reona IKEDA
  • Publication number: 20190377457
    Abstract: A first electrode on a first surface of a transparent insulating member has a first detection electrode portion having a first mesh pattern and a dummy pattern portion in the first electrode arranged so as to be insulated from the first detection electrode portion in a first mesh cell constituting the first mesh pattern, a second electrode on a second surface of the transparent insulating member has a second detection electrode portion having a second mesh pattern and a dummy pattern portion in the second electrode arranged so as to be insulated from a second detection electrode portion in a second mesh cell constituting the second mesh pattern, and a third mesh pattern is formed by combining the first detection electrode portion, the dummy pattern portion in the first electrode, the second detection electrode portion, and the dummy pattern portion in the second electrode.
    Type: Application
    Filed: August 26, 2019
    Publication date: December 12, 2019
    Applicant: FUJIFILM Corporation
    Inventors: Masaya NAKAYAMA, Reona IKEDA
  • Publication number: 20190346971
    Abstract: In a conductive member, a first detection electrode portions of a first electrode formed on a first surface of a transparent insulating substrate and a dummy portion in the second electrode of a second electrode formed on a second surface of the transparent insulating substrate are combined with each other to form a first mesh pattern, a second detection electrode portion of the second electrode formed on the second surface of the transparent insulating substrate and a dummy portion in the first electrode of the first electrode formed on the first surface of the transparent insulating substrate are combined with each other to form a second mesh pattern, and the first mesh pattern and the second mesh pattern are combined with each other to form a third mesh pattern.
    Type: Application
    Filed: July 25, 2019
    Publication date: November 14, 2019
    Applicant: FUJIFILM Corporation
    Inventor: Reona IKEDA
  • Patent number: 10345941
    Abstract: Provided are a transparent base material film laminate that is used by being arranged on the viewing side of a polarizing plate of an image display device having a backlight light source and the polarizing plate, the laminate having a first transparent base material film and a second transparent base material film, in which a Re of the first transparent base material film is 4,000 nm or more, the laminate is arranged for use such that an angle formed between a slow axis of the first transparent base material film and an absorption axis of the polarizing plate is 45°±20° and such that an angle formed between a slow axis of the second transparent base material film and the absorption axis of the polarizing plate is 90°±30° or 0°±30°, an angle formed between the slow axes of the first transparent base material film and the second transparent base material film is neither 0° nor 90°, and the second transparent base material film is used by being arranged on the viewing side with respect to the first transparent b
    Type: Grant
    Filed: October 12, 2017
    Date of Patent: July 9, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Shinichi Nakai, Yuki Matsunami, Reona Ikeda, Tadashi Kuriki
  • Publication number: 20180046299
    Abstract: Provided are a transparent base material film laminate that is used by being arranged on the viewing side of a polarizing plate of an image display device having a backlight light source and the polarizing plate, the laminate having a first transparent base material film and a second transparent base material film, in which a Re of the first transparent base material film is 4,000 nm or more, the laminate is arranged for use such that an angle formed between a slow axis of the first transparent base material film and an absorption axis of the polarizing plate is 45°±20° and such that an angle formed between a slow axis of the second transparent base material film and the absorption axis of the polarizing plate is 90°±30° or 0°±30°, an angle formed between the slow axes of the first transparent base material film and the second transparent base material film is neither 0° nor 90°, and the second transparent base material film is used by being arranged on the viewing side with respect to the first transparent b
    Type: Application
    Filed: October 12, 2017
    Publication date: February 15, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Shinichi NAKAI, Yuki MATSUNAMI, Reona IKEDA, Tadashi KURIKI
  • Publication number: 20150029456
    Abstract: Provided is an optically anisotropic body having good coatability onto a laminate, in which the laminate includes an optically anisotropic layer formed of a composition including a liquid crystal compound by direct coating, and an isotropic resin layer formed on the optically anisotropic layer by direct coating, and has good coatability onto the isotropic resin layer. The laminate includes an optically anisotropic layer and an isotropic resin layer formed of a resin composition directly coated on the optically anisotropic layer, in which the optically anisotropic layer is a layer formed by curing a liquid crystal composition including a liquid crystal compound containing a polymerizable group; the isotropic resin layer is the outermost layer of the laminate; and the surface energy on the side of the isotropic resin layer of the laminate is 34.0 mN/m or more.
    Type: Application
    Filed: October 1, 2014
    Publication date: January 29, 2015
    Applicant: FUJIFILM CORPORATION
    Inventor: Reona IKEDA
  • Publication number: 20150017423
    Abstract: The present invention provides a method for producing a laminate film comprising forming a layer by curing a liquid crystalline composition containing a liquid crystalline compound that has a polymerizable group and is solid at 25° C. and forming, on the layer, a polymer layer from a composition containing a polymer, the liquid crystalline compound migrating into the polymer layer after forming the polymer layer until the compound becomes 0.1% by mass to 30% by mass relative to the solid content mass of the polymer layer, wherein the method includes selecting the liquid crystalline compound and the polymer from combinations having a heat of crystallization of a mixture obtained by mixing the two at a mass ratio of 9:10, of 0.75 J/g or less. White cloudiness along with crystallization of the liquid crystalline compound is not generated easily in the method of the present invention.
    Type: Application
    Filed: September 24, 2014
    Publication date: January 15, 2015
    Applicant: FUJIFILM CORPORATION
    Inventors: Reona IKEDA, Ichirou AMIMORI
  • Publication number: 20130308085
    Abstract: According to the present invention, provided is a birefringent transfer foil, comprising a temporary support, an orientation layer, a birefringent layer (preferably a patterned optically anisotropic layer) formed from a composition comprising a liquid-crystal compound having at least one reactive group, said orientation layer being in contact with the temporary support or a releasing layer, wherein the releasing layer being in contact with the temporary support, and said orientation layer being a layer comprising a cellulose alkyl ether or a hydroxyalkyl derivative of cellulose alkyl ether. In the birefringent transfer foil of the present invention, the above orientation layer also functions as a protective layer and a detachment layer, enabling to reduce the manufacturing cost.
    Type: Application
    Filed: August 2, 2013
    Publication date: November 21, 2013
    Applicant: FUJIFILM Corporation
    Inventors: Reona IKEDA, Yuuya YAMAMOTO, Hideaki ITOU
  • Publication number: 20130250229
    Abstract: According to the present invention, a birefringence pattern transfer foil, comprising at least one patterned optically anisotropic layer having two or more regions of differing birefringence and at least one adhesive layer on a temporary support, characterized in that a blocking prevention means is provided to the adhesive layer and/or characterized in that the retardation of the adhesive layer is 40 nm or less is provided. The birefringence pattern transfer foil of the present invention has excellent applicability and handling, and can be used on a variety of subjects.
    Type: Application
    Filed: May 17, 2013
    Publication date: September 26, 2013
    Applicant: FUJIFILM Corporation
    Inventors: Hideki KANEIWA, Yuuya YAMAMOTO, Reona IKEDA, Hideaki ITOU