Patents by Inventor Masahiro Kosuge

Masahiro Kosuge 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: 20230311262
    Abstract: A mist collector includes: a filter that collects mist; a nozzle including an ejection port capable of ejecting a coolant, the nozzle being disposed to cause the ejection port to be opposite to the filter; and a motor that causes the filter to move, to cause a position on the filter to which the ejection port is opposite to change.
    Type: Application
    Filed: August 27, 2020
    Publication date: October 5, 2023
    Applicant: DMG MORI CO., LTD.
    Inventors: Kosuke YAMAMOTO, Kenjiro IGA, Masahiro KOSUGE
  • Publication number: 20220123614
    Abstract: In a rotor of a motor or the like, in order to suppress scattering of a part of a magnet provided around a rotating shaft, the rotor has a cylindrical magnet through which the rotating shaft passes, a first holder which covers the magnet from one side in an axial direction of the rotating shaft and a second holder which covers the magnet from the other side in the axial direction. The magnet is press-fitted into a first body portion of the first holder and a second body portion of the second holder, and a first end of the first body portion and a second end of the second body portion are joined by welding or the like. An inner diameter of the first end and the inner diameter of the second end are larger than an outer diameter of the magnet.
    Type: Application
    Filed: November 1, 2019
    Publication date: April 21, 2022
    Applicant: NIDEC SANKYO CORPORATION
    Inventors: Masahiro KOSUGE, Masato GOMYO, Kazuma YAMAMOTO
  • Patent number: 11169405
    Abstract: A display device includes a substrate having a display region and a peripheral region outside the display region; a liquid crystal layer; an insulating film between the liquid crystal layer and the substrate; an alignment film between the insulating film and the liquid crystal layer and having a front surface in contact with the liquid crystal layer; a pixel electrode having a front surface in contact with the alignment film in the display region; and an electrode having a front surface in contact with the alignment film in the peripheral region. Also, the electrode is supplied with an electric potential in the peripheral region. Each of the alignment film, the pixel electrode, and the electrode is formed on the insulating film. A distance from the substrate to the front surface of the electrode is longer than a distance from the substrate to the front surface of the pixel electrode.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: November 9, 2021
    Assignee: Japan Display Inc.
    Inventor: Masahiro Kosuge
  • Patent number: 11036088
    Abstract: According to one embodiment, a liquid crystal display device includes a first substrate, a second substrate disposed to oppose the first substrate, a layer of liquid crystal located between the first substrate and the second substrate, and an alignment film disposed on the first substrate so as to be in contact with the layer of the liquid crystal. The liquid crystal has a refractive-index anisotropy ?n of 0.11 or more, the layer of the liquid crystal has a thickness d of 2.5 ?m or less, and a product ?nd of the refractive-index anisotropy ?n and the thickness d is 0.20 or more but 0.31 or less. The transmissivity of light having a wavelength of 450 nm in the first substrate and the alignment film is 85% or more but 97% or less.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: June 15, 2021
    Assignee: Japan Display Inc.
    Inventors: Hidehiro Sonoda, Masahiro Kosuge, Yasushi Tomioka, Takenori Hirota, Noboru Kunimatsu
  • Patent number: 10908460
    Abstract: According to one embodiment, a method of manufacturing an alignment film, includes forming an organic layer on a substrate, irradiating polarized ultraviolet rays onto the organic layer to impart an alignment controllability of liquid crystal molecules, oxidating the organic layer irradiated with the polarized ultraviolet rays, washing the oxidated organic layer and reducing the washed organic layer.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: February 2, 2021
    Assignee: Japan Display Inc.
    Inventor: Masahiro Kosuge
  • Patent number: 10409124
    Abstract: According to one embodiment, a liquid crystal display device, includes a first substrate including a scanning signal line, a video signal line, a first electrode, a color filter, a common line in contact with the first electrode along the video signal line, an antireflection layer located on the common line, a transparent layer located on the antireflection layer, and a second electrode, a liquid crystal layer located on the first substrate, and a second substrate located on the liquid crystal layer, the transparent layer having a thickness of 10 nm or more and 40 nm or less.
    Type: Grant
    Filed: September 27, 2016
    Date of Patent: September 10, 2019
    Assignee: Japan Display Inc.
    Inventors: Osamu Itou, Daisuke Sonoda, Masahiro Kosuge
  • Publication number: 20190094627
    Abstract: According to one embodiment, a liquid crystal display device includes a first substrate, a second substrate disposed to oppose the first substrate, a layer of liquid crystal located between the first substrate and the second substrate, and an alignment film disposed on the first substrate so as to be in contact with the layer of the liquid crystal. The liquid crystal has a refractive-index anisotropy ?n of 0.11 or more, the layer of the liquid crystal has a thickness d of 2.5 ?m or less, and a product ?nd of the refractive-index anisotropy ?n and the thickness d is 0.20 or more but 0.31 or less. The transmissivity of light having a wavelength of 450 nm in the first substrate and the alignment film is 85% or more but 97% or less.
    Type: Application
    Filed: September 27, 2018
    Publication date: March 28, 2019
    Applicant: Japan Display Inc.
    Inventors: Hidehiro SONODA, Masahiro KOSUGE, Yasushi TOMOKA, Takenori HIROTA, Noboru KUNIMATSU
  • Publication number: 20190088222
    Abstract: According to one embodiment, a display device includes a first substrate, a second substrate, a liquid crystal layer, a first alignment film, a pixel electrode, and a common electrode. The liquid crystal layer is disposed between the first substrate and the second substrate. The first alignment film is provided on the first substrate to be in contact with the liquid crystal layer. The pixel electrode is provided on the first substrate and covered with the first alignment film. The common electrode provided on the first substrate to form a lateral electric field. The liquid crystal layer is driven at a frequency of 40 Hz or less. A time constant of the liquid crystal layer is larger than a time constant of the first alignment film.
    Type: Application
    Filed: November 15, 2018
    Publication date: March 21, 2019
    Applicant: Japan Display Inc.
    Inventors: Masahiro KOSUGE, Yukio TANAKA
  • Patent number: 10186217
    Abstract: According to one embodiment, a display device includes a first substrate, a second substrate, a liquid crystal layer, a first alignment film, a pixel electrode, and a common electrode. The liquid crystal layer is disposed between the first substrate and the second substrate. The first alignment film is provided on the first substrate to be in contact with the liquid crystal layer. The pixel electrode is provided on the first substrate and covered with the first alignment film. The common electrode provided on the first substrate to form a lateral electric field. The liquid crystal layer is driven at a frequency of 40 Hz or less. A time constant of the liquid crystal layer is larger than a time constant of the first alignment film.
    Type: Grant
    Filed: June 13, 2017
    Date of Patent: January 22, 2019
    Assignee: Japan Display Inc.
    Inventors: Masahiro Kosuge, Yukio Tanaka
  • Publication number: 20180284527
    Abstract: A display device includes a substrate having a display region and a peripheral region outside the display region; a liquid crystal layer; an insulating film between the liquid crystal layer and the substrate; an alignment film between the insulating film and the liquid crystal layer and having a front surface in contact with the liquid crystal layer; a pixel electrode having a front surface in contact with the alignment film in the display region; and an electrode having a front surface in contact with the alignment film in the peripheral region. Also, the electrode is supplied with an electric potential in the peripheral region. Each of the alignment film, the pixel electrode, and the electrode is formed on the insulating film. A distance from the substrate to the front surface of the electrode is longer than a distance from the substrate to the front surface of the pixel electrode.
    Type: Application
    Filed: March 26, 2018
    Publication date: October 4, 2018
    Applicant: Japan Display Inc.
    Inventor: Masahiro KOSUGE
  • Publication number: 20180284545
    Abstract: According to one embodiment, a method of manufacturing an alignment film, includes forming an organic layer on a substrate, irradiating polarized ultraviolet rays onto the organic layer to impart an alignment controllability of liquid crystal molecules, oxidating the organic layer irradiated with the polarized ultraviolet rays, washing the oxidated organic layer and reducing the washed organic layer.
    Type: Application
    Filed: March 28, 2018
    Publication date: October 4, 2018
    Applicant: Japan Display Inc.
    Inventor: Masahiro KOSUGE
  • Patent number: 10054832
    Abstract: Disclosed is a liquid crystal display device including an active element substrate having an active element; a first layer provided on the active element and having a first hole formed therein, the first layer being one of a first insulating layer and a color filter; a second layer provided on the first layer and having a second hole formed therein, the second layer being the other of the first insulating layer and the color filter; a common electrode provided on the second layer; a second insulating layer having a plate-like portion provided on the common electrode and a first contact portion protruded downward; and a pixel electrode having a second contact portion protruded downward. The first contact portion is provided inside the second hole, and the second contact portion is provided inside the first hole and inside the second hole and electrically connected to the active element.
    Type: Grant
    Filed: October 27, 2015
    Date of Patent: August 21, 2018
    Assignee: Japan Display Inc.
    Inventors: Osamu Itou, Kenji Nakao, Toshimasa Ishigaki, Masahiro Kosuge
  • Patent number: 10031382
    Abstract: According to one embodiment, a liquid crystal display device includes a liquid crystal display panel which includes a pixel electrode, a liquid crystal layer and an alignment film, and a driver. The driver drives the pixel electrode at a drive frequency of 1 to 20 Hz. The alignment film has a resistivity of 5×1014 ?·cm or more.
    Type: Grant
    Filed: December 23, 2016
    Date of Patent: July 24, 2018
    Assignee: Japan Display Inc.
    Inventors: Daiichi Suzuki, Yoshifumi Saeki, Yukio Tanaka, Noboru Kunimatsu, Hidehiro Sonoda, Masahiro Kosuge
  • Patent number: 9880435
    Abstract: A display device includes a first light shielding part provided between a filter film and a first electrode, and a second light shielding part provided on a second substrate. First and second filter films each have long sides that extend in a first direction in which a video signal line extends, and the first and the second filter films are arranged adjacent to each other in a second direction different from the first direction. The first light shielding part overlaps the video signal line in a plan view. The second light shielding part overlaps a metal electrode in the plan view.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: January 30, 2018
    Assignee: Japan Display Inc.
    Inventors: Masahiro Kosuge, Kenji Nakao, Osamu Itou
  • Publication number: 20170358264
    Abstract: According to one embodiment, a display device includes a first substrate, a second substrate, a liquid crystal layer, a first alignment film, a pixel electrode, and a common electrode. The liquid crystal layer is disposed between the first substrate and the second substrate. The first alignment film is provided on the first substrate to be in contact with the liquid crystal layer. The pixel electrode is provided on the first substrate and covered with the first alignment film. The common electrode provided on the first substrate to form a lateral electric field. The liquid crystal layer is driven at a frequency of 40 Hz or less. A time constant of the liquid crystal layer is larger than a time constant of the first alignment film.
    Type: Application
    Filed: June 13, 2017
    Publication date: December 14, 2017
    Applicant: Japan Display Inc.
    Inventors: Masahiro KOSUGE, Yukio TANAKA
  • Publication number: 20170184929
    Abstract: According to one embodiment, a liquid crystal display device includes a liquid crystal display panel which includes a pixel electrode, a liquid crystal layer and an alignment film, and a driver. The driver drives the pixel electrode at a drive frequency of 1 to 20 Hz. The alignment film has a resistivity of 5×1014 ?·cm or more.
    Type: Application
    Filed: December 23, 2016
    Publication date: June 29, 2017
    Applicant: Japan Display Inc.
    Inventors: Daiichi SUZUKI, Yoshifumi Saeki, Yukio Tanaka, Noboru Kunimatsu, Hidehiro Sonoda, Masahiro Kosuge
  • Patent number: 9690131
    Abstract: The elution of a color filter to a liquid crystal layer is reduced. A liquid crystal display device includes an active device substrate, a liquid crystal layer provided on the active device substrate, and a counter substrate provided on the liquid crystal layer. The active device substrate includes an active device, a common electrode, a common interconnection electrically connected to the common electrode, a reflection reduction film provided on the common interconnection, a first insulating layer provided on the reflection reduction film, and a pixel electrode having a flat portion provided on the first insulating layer and a first projecting portion protruding downwardly. The first the projecting portion is electrically connected to the active device.
    Type: Grant
    Filed: December 14, 2015
    Date of Patent: June 27, 2017
    Assignee: Japan Display Inc.
    Inventors: Osamu Itou, Kenji Nakao, Toshimasa Ishigaki, Masahiro Kosuge
  • Publication number: 20170090262
    Abstract: According to one embodiment, a liquid crystal display device, includes a first substrate including a scanning signal line, a video signal line, a first electrode, a color filter, a common line in contact with the first electrode along the video signal line, an antireflection layer located on the common line, a transparent layer located on the antireflection layer, and a second electrode, a liquid crystal layer located on the first substrate, and a second substrate located on the liquid crystal layer, the transparent layer having a thickness of 10 nm or more and 40 nm or less.
    Type: Application
    Filed: September 27, 2016
    Publication date: March 30, 2017
    Applicant: Japan Display Inc.
    Inventors: Osamu ITOU, Daisuke SONODA, Masahiro KOSUGE
  • Publication number: 20160299395
    Abstract: A display device includes a first light shielding part provided between a filter film and a first electrode, and a second light shielding part provided on a second substrate. First and second filter films each have long sides that extend in a first direction in which a video signal line extends, and the first and the second filter films are arranged adjacent to each other in a second direction different from the first direction. The first light shielding part overlaps the video signal line in a plan view. The second light shielding part overlaps a metal electrode in the plan view.
    Type: Application
    Filed: March 31, 2016
    Publication date: October 13, 2016
    Applicant: Japan Display Inc.
    Inventors: Masahiro KOSUGE, Kenji Nakao, Osamu Itou
  • Publication number: 20160291377
    Abstract: According to an aspect, a liquid crystal display device includes, in sequence, a thin-film transistor substrate comprising a thin-film transistor, a liquid crystal layer, and a counter substrate. The thin-film transistor substrate includes: a first translucent electrode; a color filter; metal wiring that is provided above the color filter and electrically coupled with the first translucent electrode; a light-absorbing layer provided on the metal wiring; and an optical interference layer provided on the light-absorbing layer. The optical interference layer includes the first translucent electrode.
    Type: Application
    Filed: March 17, 2016
    Publication date: October 6, 2016
    Applicant: Japan Display Inc.
    Inventors: Masahiro KOSUGE, Toshimasa ISHIGAKI, Osamu ITOU