Patents by Inventor Koji Murata

Koji Murata 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: 11508327
    Abstract: Provided is a liquid crystal display device including: a liquid crystal panel including display units for displaying an image using a veil-view function; and a control circuit. The display units each include a pair of sub-pixels including a first sub-pixel and a second sub-pixel. The liquid crystal panel sequentially includes an active matrix substrate, a first alignment film, a liquid crystal layer containing liquid crystal molecules, a second alignment film, and a counter substrate. The active matrix substrate includes first and second electrodes that are stacked via a first insulating layer or that face each other on the first substrate. At least one of the first or second electrode is disposed for each first sub-pixel and for each second sub-pixel. The counter substrate includes a third electrode. The control circuit is configured to switch between application of alternating voltage and application of constant voltage to the third electrode.
    Type: Grant
    Filed: November 18, 2021
    Date of Patent: November 22, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Koji Murata, Hidefumi Yoshida
  • Publication number: 20220334438
    Abstract: The liquid crystal display device includes a liquid crystal panel, the liquid crystal panel including sub-pixels and including an active matrix substrate and a counter substrate, the active matrix substrate including a gate line, a first electrode, and a second electrode, the counter substrate including a third electrode, each of the sub-pixels being provided with an optical opening, the third electrode including a linear electrode extending along the gate line, a distance between the linear electrode and the optical opening being less than D/4 and a width of the linear electrode being D/4 or less, wherein a distance between two optical openings adjacent in the direction perpendicular to the extending direction of the gate line is defined as D.
    Type: Application
    Filed: April 7, 2022
    Publication date: October 20, 2022
    Inventors: Koji Murata, Kosuke Nagata, Kazutoshi Kida, Kazutaka Hanaoka, Shinji Shimada, Yasuhiro Haseba
  • Publication number: 20220328911
    Abstract: A packaging material for a power storage device and a power storage device using the same, a method of producing a packaging material for a power storage device, and a method of selecting a sealant film used as a sealant layer in the packaging material for a power storage device are provided.
    Type: Application
    Filed: June 20, 2022
    Publication date: October 13, 2022
    Applicant: TOPPAN INC.
    Inventors: Junya IMAMOTO, Koji MURATA
  • Publication number: 20220328871
    Abstract: A power storage device packaging material of the present disclosure includes: a laminate at least including a substrate layer, a barrier layer, and a sealant layer, which are disposed in this order; and an adhesive layer interposed between the substrate layer and the barrier layer, the adhesive layer containing a polyurethane-based compound made of a reaction product of at least one polyester polyol resin and at least one polyfunctional isocyanate compound, wherein the polyfunctional isocyanate compound contains an isocyanurate of isophorone diisocyanate, and a content of isocyanate groups derived from the isocyanurate of isophorone diisocyanate in the polyfunctional isocyanate compound is 5 mol % to 100 mol % relative to a total amount of isocyanate groups contained in the polyfunctional isocyanate compound of 100 mol %.
    Type: Application
    Filed: June 21, 2022
    Publication date: October 13, 2022
    Applicant: TOPPAN INC.
    Inventors: Taketo NUMAZAWA, Tomohiko YAMAZAKI, Koji MURATA, Takuya MURAKI
  • Patent number: 11459204
    Abstract: A sheet folding device includes a folding rollers pair, a folding blade, a movable guide, and a driving mechanism. The folding rollers pair includes a first roller and a second roller, and causes a sheet conveyed in a first conveyance direction to pass through a first nip area between the rollers. The folding blade is selectively disposed in a folding position and in a retracting position. The movable guide can reciprocate between a covering position covering the second roller disposed downstream of the first roller in the first conveyance direction and the first nip area and a non-covering position exposing the second roller and the first nip area. The drive mechanism disposes the folding blade in the folding position while disposing the movable guide in the non-covering position, and disposes the folding blade in the retracting position while disposing the movable guide in the covering position.
    Type: Grant
    Filed: September 15, 2021
    Date of Patent: October 4, 2022
    Assignee: KYOCERA Document Solutions Inc.
    Inventors: Koji Murata, Tadahisa Kishimoto
  • Patent number: 11454838
    Abstract: Provided is a liquid crystal display device including: a liquid crystal panel; and a control circuit, the liquid crystal panel sequentially including an active matrix substrate, a first alignment film, a liquid crystal layer, a second alignment film, and a counter substrate, the active matrix substrate sequentially including a first substrate, a first electrode, a first insulating layer, and a second electrode including a linear electrode portion, the counter substrate including a second substrate and a third electrode, the third electrode extending in a longitudinal direction of the sub-pixel at a right or left end of the sub-pixel, a ratio of a width of the third electrode to a width of the first electrode in a widthwise direction being 0.14 or greater and 0.25 or smaller, the control circuit being configured to switch between application of an alternating voltage and application of a constant voltage to the third electrode.
    Type: Grant
    Filed: December 17, 2021
    Date of Patent: September 27, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Koji Murata, Kazutaka Hanaoka, Shinji Shimada, Kiyoshi Minoura
  • Publication number: 20220242084
    Abstract: A sheet post-processing apparatus includes a first sheet conveyance passage, a second sheet conveyance passage, a sheet folding portion, and a merging portion. The second sheet conveyance passage branches off from a branch portion on the first sheet conveyance passage. The merging portion is located downstream of the branch portion on the first sheet conveyance passage, and there a folding conveyance passage of the sheet folding portion merges with the first sheet conveyance passage. When performing a folding process on a sheet, a controller guides the sheet conveyed from a sheet introduction port into the first sheet conveyance passage via the branch portion to the second sheet conveyance passage, then reverses the conveyance direction to guide the sheet to the sheet folding portion to perform the folding process, and passes the sheet through the folding conveyance passage, merges the sheet into the first sheet conveyance passage at the merging portion.
    Type: Application
    Filed: January 28, 2022
    Publication date: August 4, 2022
    Applicant: KYOCERA Document Solutions Inc.
    Inventors: Tadahisa KISHIMOTO, Koji MURATA, Yoshiaki TASHIRO
  • Publication number: 20220236598
    Abstract: Provided is a polymer dispersed liquid crystal display device including: a pair of substrates including an electrode on at least one substrate; and a composite layer disposed between the pair of substrates. The composite layer includes a liquid crystal component and a polymer network constituted by a cured product of a photopolymerizable liquid crystal compound, and is in a transparent state when no voltage is applied and in a scattering state when a voltage is applied, and the polymer network has a helical structure with a number of turns of from one to less than eight in the composite layer.
    Type: Application
    Filed: January 19, 2022
    Publication date: July 28, 2022
    Inventors: Koji MURATA, Kimiaki NAKAMURA, Mariko HONDA, Tadashi HASEGAWA, Kazutaka HANAOKA, Yasuhiro HASEBA, Shinji SHIMADA, Atsuko KANASHIMA
  • Patent number: 11397287
    Abstract: An optical film including a first film substrate and a coating layer formed on the first film substrate. The coating layer of this optical film contains a binder resin and fine particles with an average size of 0.5 ?m or more and 10.0 ?m or less and a standard deviation in size that is less than ½ of the average size.
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: July 26, 2022
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Hiroki Ichiba, Masato Kurokawa, Koji Murata, Kengo Ozono
  • Publication number: 20220197067
    Abstract: Provided is a liquid crystal display device including: a liquid crystal panel; and a control circuit, the liquid crystal panel sequentially including an active matrix substrate, a first alignment film, a liquid crystal layer, a second alignment film, and a counter substrate, the active matrix substrate sequentially including a first substrate, a first electrode, a first insulating layer, and a second electrode including a linear electrode portion, the counter substrate including a second substrate and a third electrode, the third electrode extending in a longitudinal direction of the sub-pixel at a right or left end of the sub-pixel, a ratio of a width of the third electrode to a width of the first electrode in a widthwise direction being 0.14 or greater and 0.25 or smaller, the control circuit being configured to switch between application of an alternating voltage and application of a constant voltage to the third electrode.
    Type: Application
    Filed: December 17, 2021
    Publication date: June 23, 2022
    Inventors: KOJI MURATA, KAZUTAKA HANAOKA, SHINJI SHIMADA, KIYOSHI MINOURA
  • Publication number: 20220171226
    Abstract: Provided is a liquid crystal display device including: an active matrix substrate including a first substrate, and a first electrode and a second electrode that are stacked via a first insulating layer or that face each other on the first substrate, the second electrode being disposed for each sub-pixel; and a counter substrate sequentially including a second substrate, a third electrode including linear electrode portions, a second insulating layer, and a fourth electrode including linear electrode portions, an extending direction of the linear electrode portions of the third electrode intersecting an extending direction of the linear electrode portions of the fourth electrode in a plan view; and a control circuit being configured to switch between application of an alternating voltage and application of a constant voltage to the third electrode and/or the fourth electrode.
    Type: Application
    Filed: November 29, 2021
    Publication date: June 2, 2022
    Inventors: Koji MURATA, Hidefumi YOSHIDA
  • Patent number: 11347118
    Abstract: A liquid crystal display panel includes a first substrate, a second substrate, a liquid crystal layer, a first polarizer plate, and a second polarizer plate. The first substrate includes a first dielectric substrate, a first electrode, a second electrode, and a first alignment film. The second electrode includes a plurality of slits and a conductive portion. The second substrate includes a second dielectric substrate and a second alignment film. The first substrate further includes a resin layer disposed between the second electrode and the first alignment film. The resin layer within the plurality of slits is as thick as or thicker than the second electrode. The plurality of slits are filled with the resin layer. A difference in height between the resin layer over the conductive portion of the second electrode and the resin layer within the plurality of slits of the second electrode is 10 nm or more.
    Type: Grant
    Filed: August 4, 2021
    Date of Patent: May 31, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Akira Sakai, Masahiro Hasegawa, Miho Yamada, Yuichi Kawahira, Koji Murata, Kiyoshi Minoura
  • Publication number: 20220158045
    Abstract: A display device includes a light-emitting layer and a red converting layer, the red converting layer includes a binder resin, red luminescent bodies, and In nanoparticles, each of the In nanoparticles includes a core and a silica shell, and the silica shell includes blue luminescent bodies emitting light having a wavelength shorter than that of red luminescent bodies.
    Type: Application
    Filed: March 22, 2019
    Publication date: May 19, 2022
    Inventors: KOJI MURATA, TOKIYOSHI UMEDA, YUTO TSUKAMOTO
  • Publication number: 20220157271
    Abstract: Provided is a liquid crystal display device including: a liquid crystal panel including display units for displaying an image using a veil-view function; and a control circuit. The display units each include a pair of sub-pixels including a first sub-pixel and a second sub-pixel. The liquid crystal panel sequentially includes an active matrix substrate, a first alignment film, a liquid crystal layer containing liquid crystal molecules, a second alignment film, and a counter substrate. The active matrix substrate includes first and second electrodes that are stacked via a first insulating layer or that face each other on the first substrate. At least one of the first or second electrode is disposed for each first sub-pixel and for each second sub-pixel. The counter substrate includes a third electrode. The control circuit is configured to switch between application of alternating voltage and application of constant voltage to the third electrode.
    Type: Application
    Filed: November 18, 2021
    Publication date: May 19, 2022
    Inventors: Koji MURATA, Hidefumi YOSHIDA
  • Publication number: 20220155622
    Abstract: Provided is a liquid crystal display device including: a liquid crystal panel; and a control circuit. The liquid crystal panel sequentially includes an active matrix substrate, a first alignment film, a liquid crystal layer containing liquid crystal molecules having a negative anisotropy of dielectric constant, a second alignment film aligning the liquid crystal molecules at an angle of 10° or greater and 30° or smaller, and a counter substrate. The active matrix substrate includes a first substrate, and a first electrode and a second electrode that are stacked via a first insulating layer or that face each other on the first substrate. The counter substrate sequentially includes a second substrate, a third electrode, a second insulating layer, and a fourth electrode. The control circuit is configured to switch between application of alternating voltage and application of constant voltage to the third and/or fourth electrode according to a display mode.
    Type: Application
    Filed: November 10, 2021
    Publication date: May 19, 2022
    Inventors: Koji MURATA, Hidefumi YOSHIDA
  • Patent number: 11327357
    Abstract: A liquid crystal display device of the present invention includes in the following order from a viewing surface side a first polarizer, a first positive A plate having an in-plane retardation of 120 nm or greater and 155 nm or smaller, a positive C plate having a thickness retardation of 80 nm or greater and 100 nm or smaller, a first substrate, a second positive A plate having an in-plane retardation of 120 nm or greater and 155 nm or smaller, a horizontally aligned liquid crystal layer, a second substrate, a viewing angle compensation layer, and a second polarizer. The device further includes between the first polarizer and the first positive A plate a positive C plate having a thickness retardation of 30 nm or greater and 80 nm or smaller.
    Type: Grant
    Filed: March 25, 2021
    Date of Patent: May 10, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Masahiro Hasegawa, Akira Sakai, Takako Koide, Yuichi Kawahira, Koji Murata, Kiyoshi Minoura
  • Patent number: 11307337
    Abstract: The present invention provides: (I) a display device including a display panel, a retardation layer, and a polarizer which are stacked in the stated order from a back surface side to a viewing surface side and integrated without an adhesive layer; and (II) a method for producing a display device including: forming a first alignment film on a display panel, applying a solution containing first polymerizable liquid crystal to the first alignment film, and curing the first polymerizable liquid crystal to produce a retardation layer; and forming a second alignment film on the retardation layer, applying a solution containing second polymerizable liquid crystal and a dichroic material to the second alignment film, and curing the second polymerizable liquid crystal to produce a polarizer.
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: April 19, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Akira Sakai, Masahiro Hasegawa, Atsushi Ban, Koji Murata, Yuichi Kawahira, Kiyoshi Minoura, Takako Koide, Kozo Nakamura
  • Patent number: 11307463
    Abstract: The liquid crystal display panel includes a first substrate, a second substrate, and a liquid crystal layer provided between the first substrate and the second substrate. The first substrate includes a first dielectric substrate, a first electrode and a second electrode provided on the first dielectric substrate and capable of generating a horizontal electric field in the liquid crystal layer, and a first alignment film being in contact with the liquid crystal layer. The second substrate includes a second dielectric substrate and a second alignment film provided on the second dielectric substrate and being in contact with the liquid crystal layer. The first alignment film has an azimuthal anchoring strength lower than the second alignment film. The liquid crystal layer includes a nematic liquid crystal material and a polymer network.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: April 19, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Koji Murata, Kiyoshi Minoura, Akira Sakai, Yuichi Kawahira, Kohzoh Nakamura
  • Patent number: 11285697
    Abstract: An optical laminate comprising an adherend including a curable resin, and a barrier film laminated on at least one surface of the adherend, wherein the barrier film comprises, on an outermost surface facing the adherend, a primer layer formed by curing a primer composition containing a silane coupling agent having a reactive functional group capable of reacting with the curable resin, other than an alkoxysilane group and a silanol group, and assuming that a thickness of the primer layer is D, a total content of the reactive functional group and the reactive functional group that has reacted with the curable resin per 1 m2×D of the primer layer is 1.5×10?6 mol or higher and 3.5×10?3 mol or lower.
    Type: Grant
    Filed: July 3, 2019
    Date of Patent: March 29, 2022
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Koji Murata, Masayoshi Suzuta
  • Publication number: 20220089401
    Abstract: A sheet folding device includes a folding rollers pair, a folding blade, a movable guide, and a driving mechanism. The folding rollers pair includes a first roller and a second roller, and causes a sheet conveyed in a first conveyance direction to pass through a first nip area between the rollers. The folding blade is selectively disposed in a folding position and in a retracting position. The movable guide can reciprocate between a covering position covering the second roller disposed downstream of the first roller in the first conveyance direction and the first nip area and a non-covering position exposing the second roller and the first nip area. The drive mechanism disposes the folding blade in the folding position while disposing the movable guide in the non-covering position, and disposes the folding blade in the retracting position while disposing the movable guide in the covering position.
    Type: Application
    Filed: September 15, 2021
    Publication date: March 24, 2022
    Applicant: KYOCERA Document Solutions Inc.
    Inventors: Koji MURATA, Tadahisa KISHIMOTO