Patents by Inventor Tomokazu Ishikawa

Tomokazu Ishikawa 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: 20230034010
    Abstract: An image forming apparatus includes a print head including heating elements for applying a thermal energy to an imaging material, an operation unit configured to operate the plurality of heating elements of the print head by using a first pulse for preheating the color developing layers and a second pulse for developing the colors of the color developing layers, and a generation unit configured to, in a case where a spatial frequency of the image to be recorded based on image data for forming an image on the imaging material is lower than a predetermined frequency, generate the first pulse so that a temperature to be applied to the imaging material by the first pulse is lower than a temperature to be applied to the imaging material in a case where the spatial frequency of the image data is equal to or higher than the predetermined frequency.
    Type: Application
    Filed: July 21, 2022
    Publication date: February 2, 2023
    Inventors: Tomokazu Ishikawa, Fumitaka Goto, Akitoshi Yamada
  • Patent number: 11570408
    Abstract: According to one embodiment, a display device including a first substrate including an organic film, a first recess and a second recess formed in the organic film, and a first projection having the organic film, a second substrate, and a sealing member located in a second area around a first area, and bonding the first substrate and the second substrate together, wherein the first substrate includes a mounting portion, the first recess and the second recess extend in the second area, a first leading end portion of the first recess is separated from a second leading end portion of the second recess, and the first projection, the first recess and the second recess overlap the sealing member.
    Type: Grant
    Filed: November 30, 2021
    Date of Patent: January 31, 2023
    Assignee: JAPAN DISPLAY INC.
    Inventors: Tomokazu Ishikawa, Hitomi Hasegawa, Masaru Nakakomi
  • Publication number: 20230019616
    Abstract: In a plan view, a spacer member is arranged at a position overlapping with a first line portion of a second pixel electrode. The second pixel electrode has a second connecting portion that connects the first line portion and the second line portion arranged next to the first line portion. The second connecting portion of the pixel electrode is arranged between a region where the first line portion of the second pixel electrode overlaps with the spacer member and one end portion of the first line portion of the second pixel electrode.
    Type: Application
    Filed: July 13, 2022
    Publication date: January 19, 2023
    Applicant: Japan Display Inc.
    Inventors: Tomokazu ISHIKAWA, Masateru MORIMOTO, Masaru NAKAKOMI
  • Publication number: 20230018273
    Abstract: According to one embodiment, A display device includes a first substrate includes an inorganic insulating film, a first wiring formed above the inorganic insulating film, an organic insulating film located above the inorganic insulating film and the first wiring, and a driver electrically connected to the first wiring, a second substrate opposing the first substrate, and a sealant fixing the first substrate and the second substrate, wherein the sealant comprises a first seal portion formed along a first edge of the first substrate and a second seal portion which crosses the first seal portion, and the first seal portion has a first width, and the second seal portion has a second width, the first width being greater than the second width.
    Type: Application
    Filed: September 28, 2022
    Publication date: January 19, 2023
    Applicant: Japan Display Inc.
    Inventors: Taiki MAKINO, Tomokazu ISHIKAWA, Yuki KURAMOTO
  • Publication number: 20230014776
    Abstract: A display device has a plurality of color filters and a first light-shielding film formed in a matrix so as to partition a pixel. The plurality of color filters includes: a first color filter selectively transmitting blue light; a second color filter selectively transmitting green light; and a third color filter selectively transmitting red light. The first color filter has a plurality of island-shaped patterns arranged apart from each other along a Y direction intersecting with an X direction. In a plan view, an optical sensor is arranged at a position overlapping with a region between the plurality of island-shaped patterns adjacent to each other. The region has a first opening that is covered with the first light-shielding film and is formed at a position overlapping with optical sensor, the first opening passing through the first light-shielding film.
    Type: Application
    Filed: July 12, 2022
    Publication date: January 19, 2023
    Applicant: Japan Display Inc.
    Inventors: Tomokazu ISHIKAWA, Satoru KAWASAKI, Tetsuya YAMAMOTO
  • Publication number: 20230007432
    Abstract: An acoustic reproduction method includes: localizing a first sound image at a first position in a target space in which a user is present; and localizing, at a second position in the target space, a second sound image that represents an anchor sound for indicating a reference position.
    Type: Application
    Filed: September 7, 2022
    Publication date: January 5, 2023
    Inventors: Seigo ENOMOTO, Tomokazu ISHIKAWA
  • Publication number: 20230004034
    Abstract: In order to avoid generation of black unevenness caused by the water intrusion into a liquid crystal display device, there is to provide a liquid crystal display device including a display area and a terminal portion, in which a TFT substrate with an organic passivation film formed and an opposite substrate are adhered to each other by a seal portion and a liquid crystal is enclosed there, wherein in the seal portion of the TFT substrate, a groove-shaped through-hole is formed in the organic passivation film to surround the display area, a water absorption layer formed of the same material in the same process as that of the organic passivation film is formed within the groove-shaped through-hole, and the water absorption layer is not covered with the inorganic insulating film.
    Type: Application
    Filed: September 8, 2022
    Publication date: January 5, 2023
    Inventors: Tomonori NISHINO, Masato SHIMURA, Tomokazu ISHIKAWA, Yuki KURAMOTO, Satoshi HASHIMOTO
  • Patent number: 11543705
    Abstract: According to one embodiment, a display device comprises a first substrate, a second substrate opposed to the first substrate and including a first organic film, a first convex portion extending in a first direction, a second convex portion extending in a second direction intersecting the first direction, and a third convex portion aligned with the first convex portion in the second direction and extending in the first direction, and a sealing member located in a second area around a first area in which an image is displayed, wherein the first convex portion, the second convex portion and the third convex portion are located between the first organic film and the sealing member.
    Type: Grant
    Filed: November 17, 2020
    Date of Patent: January 3, 2023
    Assignee: JAPAN DISPLAY INC.
    Inventors: Tomokazu Ishikawa, Masaru Nakakomi
  • Publication number: 20220417696
    Abstract: A sound reproduction method includes: obtaining a first audio signal indicating a first sound which arrives at a listener from a first range and a second audio signal indicating a second sound which arrives at the listener from a predetermined direction; when the first range and the predetermined direction are determined to be included in a second range which is a back range relative to a front range in the direction that the head part of the listener faces, performing a correction process on at least one of the first audio signal or the second audio signal so that intensity of the second audio signal becomes higher than intensity of the first audio signal; and performing mixing of the at least one of the first audio signal or the second audio signal, and outputting, to an output channel, the first and second audio signals.
    Type: Application
    Filed: September 6, 2022
    Publication date: December 29, 2022
    Inventors: Hikaru USAMI, Tomokazu ISHIKAWA, Seigo ENOMOTO
  • Publication number: 20220357624
    Abstract: An electronic apparatus includes a substrate, a first region in which a plurality of pixels are provided on the substrate and that has a first side, a second side, a third side, a fourth side, and a plurality of curved line parts, and a second region positioned between an end part of the substrate and the first region.
    Type: Application
    Filed: July 19, 2022
    Publication date: November 10, 2022
    Applicant: Japan Display Inc.
    Inventors: Akihiko SAITOH, Tomokazu ISHIKAWA
  • Publication number: 20220355603
    Abstract: A printing apparatus heats a print medium in which color development layers that develop colors in accordance with heating are stacked in correspondence with a plurality of color. The apparatus includes a drive unit configured to drive each of heating elements of a printhead using a first pulse for preheating a predetermined color development layer, and a second pulse applied after the first pulse to cause the predetermined color development layer to develop the color, and a pulse control unit configured to, when developing a specific color, perform a control in which a pulse width of the first pulse is increased and/or a control in which the number of times of application of the second pulse is increased such that another color development layer that is not used to reproduce the specific color does not develop the color.
    Type: Application
    Filed: July 14, 2022
    Publication date: November 10, 2022
    Inventors: Akitoshi Yamada, Yumi Yanai, Fumitaka Goto, Tomokazu Ishikawa
  • Publication number: 20220350182
    Abstract: Display device is provided and includes scanning line; semiconductor layer; pixel electrode; first insulating film having first contact hole; organic insulating film having second contact hole; and second insulating film having third contact hole, wherein semiconductor layer has first linear portion that is orthogonal to scanning line, pixel electrode is electrically connected to first linear portion via first, second and third contact holes, first linear portion overlaps first, second and third contact holes that are aligned along first linear portion, and center of second contact hole is located between center of first contact hole and center of third contact hole.
    Type: Application
    Filed: July 18, 2022
    Publication date: November 3, 2022
    Inventors: Motoharu MIYAMOTO, Tomokazu ISHIKAWA
  • Patent number: 11487166
    Abstract: According to one embodiment, A display device includes a first substrate includes an inorganic insulating film, a first wiring formed above the inorganic insulating film, an organic insulating film located above the inorganic insulating film and the first wiring, and a driver electrically connected to the first wiring, a second substrate opposing the first substrate, and a sealant fixing the first substrate and the second substrate, wherein the sealant comprises a first seal portion formed along a first edge of the first substrate and a second seal portion which crosses the first seal portion, and the first seal portion has a first width, and the second seal portion has a second width, the first width being greater than the second width.
    Type: Grant
    Filed: November 11, 2021
    Date of Patent: November 1, 2022
    Assignee: Japan Display Inc.
    Inventors: Taiki Makino, Tomokazu Ishikawa, Yuki Kuramoto
  • Publication number: 20220326242
    Abstract: The present invention relates to a method of assisting the diagnosis of metastatic castration resistant prostate cancer, including measuring an amount of an extracellular vesicle having phosphatidylserine and a prostate specific membrane antigen in a biological specimen derived from a subject; and determining whether or not the subject has metastatic castration resistant prostate cancer by using, as an indicator, the amount of the extracellular vesicle having phosphatidylserine and a prostate specific membrane antigen.
    Type: Application
    Filed: June 24, 2022
    Publication date: October 13, 2022
    Applicants: FUJIFILM Corporation, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, National University Corporation Tokai National Higher Education and Research System
    Inventors: Kyojiro KAWAKAMI, Yasunori FUJITA, Masafumi ITO, Kosuke MIZUTANI, Tomokazu ISHIKAWA
  • Patent number: 11467451
    Abstract: In order to avoid generation of black unevenness caused by the water intrusion into a liquid crystal display device, there is to provide a liquid crystal display device including a display area and a terminal portion, in which a TFT substrate with an organic passivation film formed and an opposite substrate are adhered to each other by a seal portion and a liquid crystal is enclosed there, wherein in the seal portion of the TFT substrate, a groove-shaped through-hole is formed in the organic passivation film to surround the display area, a water absorption layer formed of the same material in the same process as that of the organic passivation film is formed within the groove-shaped through-hole, and the water absorption layer is not covered with the inorganic insulating film.
    Type: Grant
    Filed: November 30, 2021
    Date of Patent: October 11, 2022
    Assignee: Japan Display Inc.
    Inventors: Tomonori Nishino, Masato Shimura, Tomokazu Ishikawa, Yuki Kuramoto, Satoshi Hashimoto
  • Publication number: 20220299830
    Abstract: According to one embodiment, a display device including a first substrate including a first insulating film and a second insulating film that includes a band-shaped first thick film portion, an island-shaped second thick film portion, a first contact hole penetrating the first thick film portion, and a second contact hole penetrating the second thick film portion, a first thickness of the first thick film portion and a second thickness of the second thick film portion are larger than a film thickness of the second insulating film between the first and second thick film portions, and a second substrate comprises a spacer overlapping the first thick film portion.
    Type: Application
    Filed: March 18, 2022
    Publication date: September 22, 2022
    Applicant: Japan Display Inc.
    Inventors: Masaru NAKAKOMI, Tomokazu ISHIKAWA
  • Publication number: 20220299819
    Abstract: According to one embodiment, a display device includes a first area, a second area, a boundary including a linear first boundary parallel and a curved second boundary and surrounding the first area, and a light-shielding layer including a first light-shielding portion located in the second area. An end portion of the first light-shielding portion on the first area side includes a linear first end portion located on the first boundary, a curved second end portion located on the second boundary in a first round area, and a stepwise third end portion which extends such that the third end portion is bent in a second round area.
    Type: Application
    Filed: June 8, 2022
    Publication date: September 22, 2022
    Applicant: Japan Display Inc.
    Inventors: Tomokazu ISHIKAWA, Hitomi HASEGAWA
  • Publication number: 20220284728
    Abstract: A method for manufacturing a detection device, the detection device comprising a substrate, a plurality of sensor elements arranged on a first principal surface of the substrate, and an insulating film provided above the substrate so as to cover the sensor elements, and the method comprising: causing the first principal surfaces of a pair of the substrates on each of which the sensor elements, the insulating film, and a first projection projecting from a surface of the insulating film are formed to face each other, and bonding together the pair of the substrates; and polishing a second principal surface of each of the pair of the substrates on a side opposite to the first principal surface in a state where the pair of the substrates are bonded together.
    Type: Application
    Filed: May 25, 2022
    Publication date: September 8, 2022
    Inventors: Tomokazu ISHIKAWA, Masashi SHISHIKURA
  • Publication number: 20220260874
    Abstract: According to one embodiment, a display device comprises a display panel and a polarizing plate. The display panel comprises a display area, a non-display area surrounding the display area, and a light-shielding layer arranged in the display area and the non-display area. The polarizing plate is provided on a surface of the display panel, and including an end portion located in the non-display area. In this display device, the light-shielding layer opposite to the end portion of the polarizing plate is at least partially removed.
    Type: Application
    Filed: May 3, 2022
    Publication date: August 18, 2022
    Applicant: Japan Display Inc.
    Inventors: Tomokazu ISHIKAWA, Yuki KURAMOTO, Haruki YAMADA, Katsuhiro KATO
  • Publication number: 20220260879
    Abstract: According to one embodiment, a display device includes, a first inorganic insulating layer, a first metal layer, a wiring group, a first organic insulating layer formed above the first inorganic insulating layer, the first metal layer and the wiring group, a second inorganic insulating layer formed above the first organic insulating layer and includes an opening portion overlapping the first metal layer, and a first transparent conductive layer formed above the second inorganic insulating layer, overlapping the opening portion and electrically connected to the first metal layer. The first organic insulating layer includes a groove portion which exposes the first inorganic insulating layer between the opening portion and the wiring group.
    Type: Application
    Filed: May 6, 2022
    Publication date: August 18, 2022
    Applicant: Japan Display Inc.
    Inventors: Tomokazu ISHIKAWA, Masaru NAKAKOMI