Patents by Inventor Kiyoshi Minoura

Kiyoshi Minoura 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).

  • Publication number: 20230027116
    Abstract: A method of manufacturing a membrane-electrode assembly including an electrolyte membrane and a catalyst layer-formed gas diffusion layer bonded to the electrolyte membrane, the method including: a liquid application step of applying, in the atmosphere, a liquid to only a surface of the catalyst layer before bonding; and a thermocompression bonding step of bonding, to the electrolyte membrane, the catalyst layer-formed gas diffusion layer to which the liquid is applied, by thermocompression bonding. Provided is a method of manufacturing a membrane-electrode assembly including a polymer electrolyte membrane and a catalyst layer-formed gas diffusion layer bonded to the polymer electrolyte membrane, in which the manufacturing method can achieve both the relaxation of thermocompression bonding conditions and the improvement of adhesion between the catalyst layer-formed gas diffusion layer and the electrolyte membrane with high productivity.
    Type: Application
    Filed: December 21, 2020
    Publication date: January 26, 2023
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Yuta SHINTAKU, Ryuta SAKASHITA, Daisuke IZUHARA, Kiyoshi MINOURA, Mei KUMAGAI
  • Publication number: 20220397711
    Abstract: A polarizer for use with a display device having a viewing area and a non-viewing area includes a patterned hydrophobic layer, a patterned lyotropic liquid crystal (LC) polarizer layer, a lyotropic LC polarizer alignment layer, a reactive mesogen (RM) quarter wave plate (QWP) layer, an RM QWP alignment layer, a substrate, and an adhesive. The patterned hydrophobic layer surrounds the patterned lyotropic LC polarizer layer. The patterned hydrophobic layer is wholly contained within the non-viewing area of the display device. The substrate is adjacent to the RM QWP alignment layer, and the adhesive is disposed between the substrate and the display device.
    Type: Application
    Filed: June 9, 2021
    Publication date: December 15, 2022
    Inventors: Nathan James SMITH, JIYUN YU, ANDREW ACREMAN, KIYOSHI MINOURA, AKIRA SAKAI, MASAHIRO HASEGAWA, MIHO YAMADA
  • Publication number: 20220382099
    Abstract: An in-cell touch panel device includes a first substrate, a plurality of color filters formed on an upper layer with respect to the first substrate and including a green color filter, a transmitter electrode formed on an upper layer with respect to the plurality of color filters, a receiver electrode formed on a lower layer with respect to the plurality of color filters, and a second substrate including a pixel electrode disposed on the second substrate. The transmitter electrode includes a gap portion formed in a portion overlapping the receiver electrode in a plan view and in a portion overlapping the green color filter in a plan view.
    Type: Application
    Filed: May 24, 2022
    Publication date: December 1, 2022
    Inventors: Kazutoshi KIDA, Kiyoshi MINOURA, Takashi SATOH, Shunsuke NOICHI, Yasuhiro SUGITA, Chiaki MINARI
  • Publication number: 20220382098
    Abstract: An in-cell touch panel device includes a first substrate, a plurality of color filters formed on a layer on an opposite side of a touch surface with respect to the first substrate, a transmitter electrode formed on a layer on an opposite side of the touch surface with respect to the plurality of color filters, a receiver electrode formed on a layer closer to the touch surface side with respect to the plurality of color filters, and a second substrate, a pixel electrode being disposed on the second substrate. The transmitter electrode includes a gap portion formed in a portion overlapping a space between adjacent ones of the plurality of color filters in a plan view.
    Type: Application
    Filed: May 24, 2022
    Publication date: December 1, 2022
    Inventors: Kazutoshi KIDA, Kiyoshi MINOURA, Takashi SATOH, Shunsuke NOICHI, Yasuhiro SUGITA, Chiaki MINARI
  • Patent number: 11499025
    Abstract: The present invention provides an apparatus for producing a prepreg, for applying a coating liquid to a reinforcing fiber sheet, the apparatus including: a coating section including: a liquid pool storing the coating liquid and having a portion whose cross-sectional area decreases continuously and vertically downward, and a narrowed section having a slit-like outlet in communication with the lower end of the liquid pool; a running mechanism for allowing the reinforcing fiber sheet to run vertically downward and be introduced into the coating section; a take-up mechanism for taking up the reinforcing fiber sheet downward from the coating section; wall constituent members opposed to each other in the thickness direction of the reinforcing fiber sheet to form the narrowed section; and an external force application mechanism for applying an external force to the wall constituent members in the thickness direction of the reinforcing fiber sheet.
    Type: Grant
    Filed: August 20, 2019
    Date of Patent: November 15, 2022
    Assignee: Toray Industries, Inc.
    Inventors: So Nishino, Yoshikazu Kono, Takashi Ochi, Junichi Aoki, Yoshiyuki Kitamura, Kiyoshi Minoura
  • Patent number: 11491685
    Abstract: A method is described for producing a prepreg formed by applying a matrix resin to a reinforcing fiber sheet, wherein the method can effect continuous running without clogging due to generated fuzz even at a high running speed and effect efficient impregnation of the reinforcing fiber sheet with a matrix resin. A method of producing a prepreg includes allowing a reinforcing fiber sheet to pass substantially vertically downward through the inside of a coating section storing a matrix resin to obtain a matrix resin-impregnated reinforcing fiber sheet in which the matrix resin is applied to the reinforcing fiber sheet and at least heating the matrix resin-impregnated reinforcing fiber sheet, wherein the coating section includes a liquid pool and a narrowed section which are in communication with each other, wherein the liquid pool has a portion whose cross-sectional area decreases continuously along a running direction of the reinforcing fiber sheet.
    Type: Grant
    Filed: August 20, 2019
    Date of Patent: November 8, 2022
    Assignee: Toray Industries, Inc.
    Inventors: Takashi Ochi, Yoshikazu Kono, So Nishino, Junichi Aoki, Kiyoshi Minoura, Tamotsu Suzuki
  • Patent number: 11487149
    Abstract: Provided is a curved display device capable of preventing or reducing local light leakage while achieving a certain contrast ratio. The curved display device includes a liquid crystal panel in a normally black mode. The liquid crystal panel includes a first polarizer, a liquid crystal cell, and a second polarizer in a stated order from a viewing surface side. The liquid crystal cell includes a first substrate including a transparent substrate, a liquid crystal layer, and a second substrate including a transparent substrate in a stated order from the viewing surface side. At least one of the first substrate or the second substrate is provided with a third polarizer on a surface of the transparent substrate closer to the liquid crystal layer.
    Type: Grant
    Filed: May 18, 2021
    Date of Patent: November 1, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Mikihiro Noma, Kiyoshi Minoura
  • 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
  • Patent number: 11435509
    Abstract: An optical stack for a display device includes multiple layers that are incorporated into a display device that further includes a display panel. The optical stack includes a resin layer, an alignment film, an optical compensation layer, a polarizer, and a hard coat layer that are stacked in this order from a panel side. The optical stack is formed by preparing and coating a solution for each layer, and then curing and otherwise treating each layer as warranted for a particular layer, in turn to form the optical stack.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: September 6, 2022
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Akira Sakai, Masahiro Hasegawa, Miho Yamada, Kiyoshi Minoura
  • Patent number: 11437600
    Abstract: In the present embodiment, a sealing agent (50) sealing two substates contains a low melting-point glass material and is adhered to each of a first substrate (10) and a second substrate (20), a barrier rib (60), which is formed in such a manner as to surround the outer periphery of an electronic element (30), is disposed between the sealing agent (50) and the electronic element (30), and between the first substrate (10) and the second substrate (20), and the sealing agent (50) is spaced apart from the barrier rib (60). As a result, a deterioration of the electronic element, caused by the heat produced when sealing, may be prevented while the electronic element formed between the two substrates is protected from moisture and oxygen.
    Type: Grant
    Filed: November 17, 2021
    Date of Patent: September 6, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Yuhki Kobayashi, Shinichi Kawato, Kiyoshi Minoura, Shinji Shimada, Hiroshi Tsuchiya, Masahiro Mitani, Kohzoh Nakamura, Katsuhiko Kishimoto, Yozo Narutaki
  • Patent number: 11428991
    Abstract: The liquid crystal display device includes, sequentially from a viewing surface side to a back surface side: a linearly polarizing plate and a circularly polarizing plate including a first ?/4 retardation layer; a thin-film transistor substrate including a pair of electrodes disposed in a pixel region and a metal line disposed outside the pixel region; a liquid crystal layer containing liquid crystal molecules aligned parallel to the thin-film transistor substrate, alignment of the liquid crystal molecules varying in response to an electric field generated by application of voltage to the pair of electrodes; a color filter substrate including a color filter layer; and a backlight, the thin-film transistor substrate including a second ?/4 retardation layer, the color filter substrate including a reflective layer disposed outside the pixel region and configured to reflect incident light from the backlight toward the back surface.
    Type: Grant
    Filed: October 11, 2021
    Date of Patent: August 30, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Yuichi Kawahira, Takako Koide, Masahiro Hasegawa, Akira Hirai, Akira Sakai, Kiyoshi Minoura
  • Patent number: 11421091
    Abstract: The present invention relates to a method of producing a prepreg, in which a matrix resin is applied to a reinforcing fiber sheet, where the sheet can continuously run without clogging due to generated fuzz, even at a high running speed, and where the sheet can be efficiently impregnated with the matrix resin. The prepreg is produced by a method which includes a step of allowing a reinforcing fiber sheet to pass horizontally or slantingly through the inside of a coating section storing a matrix resin to apply the matrix resin to the reinforcing fiber sheet, where the coating section includes a liquid pool and a narrowed section which are in communication with each other, where the liquid pool has a portion whose cross-sectional area decreases continuously along a running direction of the reinforcing fiber sheet, and wherein the narrowed section has a slit-like cross-section and has a smaller cross-sectional area than the largest cross-sectional area of the liquid pool.
    Type: Grant
    Filed: July 29, 2019
    Date of Patent: August 23, 2022
    Assignee: Toray Industries, Inc.
    Inventors: Takashi Ochi, So Nishino, Kiyoshi Minoura
  • 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
  • Patent number: 11367965
    Abstract: Disclosed is a liquid crystal panel of a scanning antenna including a transmission and/or reception region in which a plurality of antenna units are arrayed, and a non-transmission and/or reception region, the liquid crystal panel including: a TFT substrate provided with a first dielectric substrate, a TFT supported by the first dielectric substrate, a gate bus line, a source bus line, and a patch electrode; a slot substrate provided with a second dielectric substrate, and a slot electrode formed on a first main surface of the second dielectric substrate and including a slot arranged so as to correspond to the patch electrode; a liquid crystal layer provided between the TFT substrate and the slot substrate and including a plurality of liquid crystal regions; and a plurality of sealing portions that respectively surround the plurality of liquid crystal regions and bond the TFT substrate and the slot substrate together.
    Type: Grant
    Filed: August 3, 2017
    Date of Patent: June 21, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Tadashi Ohtake, Takatoshi Orui, Wataru Nakamura, Kiyoshi Minoura, Masanobu Mizusaki
  • Patent number: 11364673
    Abstract: A synthetic polymer film whose surface has a plurality of raised or recessed portions, wherein a two-dimensional size of the plurality of raised or recessed portions is in a range of not less than 0.5 ?m and not more than 3 ?m when viewed in a normal direction of the synthetic polymer film, the synthetic polymer film has a crosslink structure and contains an organic carboxylic acid, at the lapse of 5 minutes since placing a 200 ?L drop of water on the surface of the synthetic polymer film, a pH of an aqueous solution is less than 4, and an area equivalent circle diameter of the aqueous solution is not less than 20 mm, and at the lapse of 60 seconds since placing a drop of water on the surface of the synthetic polymer film, a static contact angle of the water drop with respect to the surface is less than 3°.
    Type: Grant
    Filed: February 20, 2019
    Date of Patent: June 21, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Miho Yamada, Yasuhiro Shibai, Kiyoshi Minoura, Tokio Taguchi
  • 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
  • Patent number: 11340724
    Abstract: A display device includes a backlight, a touch detection electrode disposed to overlap a display region in which an image is displayed in a plan view, and an electrically conductive reflective member disposed closer to the backlight than a plurality of touch detection electrodes. Reflective members are disposed to overlap at least some of the plurality of touch detection electrodes in a plan view, are configured to reflect light from the backlight, and segmented from each other in a plan view.
    Type: Grant
    Filed: August 20, 2021
    Date of Patent: May 24, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Kazutoshi Kida, Yasuhiro Sugita, Hiroshi Fukushima, Kiyoshi Minoura
  • Publication number: 20220158141
    Abstract: A display device includes an active matrix substrate including a transistor element and a light-emitting element layer provided on the active matrix substrate and including a first electrode, a second electrode, a function layer including a light-emitting layer between the first electrode and the second electrode, and a sealing layer. The display device includes: a half mirror provided on a display surface side of the light-emitting element layer; and a first ?/4 plate, a reflective polarizer, and an absorbing polarizer which are provided in order from the light-emitting element layer side between the light-emitting element layer and the half mirror.
    Type: Application
    Filed: March 1, 2019
    Publication date: May 19, 2022
    Inventors: RYUZO YUKI, Kiyoshi MINOURA, KOHZOH NAKAMURA, AKIRA SAKAI
  • 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: 11320178
    Abstract: The cooling device includes an electrocaloric portion including an electrocaloric effect material, a first thermal switch including a first actuator, and a second thermal switch including a second actuator, in which a thickness and a length of the first actuator and the second actuator are changed depending on an electric field to be applied.
    Type: Grant
    Filed: March 26, 2020
    Date of Patent: May 3, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Yasuhiro Haseba, Kiyoshi Minoura