Patents by Inventor Masaki Yamanaka

Masaki Yamanaka 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: 12041820
    Abstract: In a method for manufacturing an active matrix substrate, forming of an underlayer inorganic insulating film includes applying a resist onto the underlayer inorganic insulating film, performing an ashing process of forming a surface having irregularities on a surface of the resist by a first ashing process, and, after the ashing process has been performed, roughening a surface of the underlayer inorganic insulating film by performing a second ashing process and an etching process on the underlayer inorganic insulating film. When forming a semiconductor film, a surface of at least a part of the semiconductor film is roughened following a rough surface of the underlayer inorganic insulating film.
    Type: Grant
    Filed: September 6, 2018
    Date of Patent: July 16, 2024
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Takao Saitoh, Masahiko Miwa, Yohsuke Kanzaki, Yi Sun, Masaki Yamanaka, Seiji Kaneko
  • Publication number: 20240229423
    Abstract: A revolving frame revolves around a center of revolution. A battery is supported by the revolving frame. An electric motor is supported by the revolving frame and supplied with electric power from the battery. A hydraulic pump is supported by the revolving frame, driven by the electric motor, and arranged closer to the center of revolution than the electric motor in a plan view.
    Type: Application
    Filed: March 25, 2022
    Publication date: July 11, 2024
    Applicant: KOMATSU LTD.
    Inventors: Masaho YAMAGUCHI, Hirotaka SUEYOSHI, Masaki YAMANAKA, Takeshi KITAGAWA, Takaki OKAMOTO, Kota WATANABE
  • Publication number: 20240237434
    Abstract: In an organic EL display device, a frame region provided outside a display region is provided with a damming wall extending on an outer periphery of the display region and a second lead-out wiring line extending across the damming wall from the display region side to an outside of the frame region. The damming wall includes a bank portion having a projecting shape and provided, in a part in which the second lead-out wiring line extends, on both sides in a direction in which the second lead-out wiring line extends with respect to a top portion of the damming wall. The bank portion is lower than a top portion of a second damming wall and forms, between the bank portion and the top portion, a trap portion having a recessed shape.
    Type: Application
    Filed: March 25, 2021
    Publication date: July 11, 2024
    Inventors: Takao SAITOH, Yohsuke KANZAKI, Masaki YAMANAKA, Masahiko MIWA, Yi SUN, Masaki FUJIWARA
  • Patent number: 12029083
    Abstract: A first metal layer that is formed by a first metal film is provided in an island shape along a pair of third wiring lines that is adjacent to each other. The first metal layer overlaps a region that is surrounded by a pair of first wiring lines, among several first wiring lines extending parallel to each other and formed by a first metal film, that is adjacent to each other, and the pair of third wiring lines, among several third wiring lines extending parallel to each other and in a direction intersecting each of the several first wiring lines.
    Type: Grant
    Filed: September 21, 2018
    Date of Patent: July 2, 2024
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Takao Saitoh, Masahiko Miwa, Masaki Yamanaka, Yohsuke Kanzaki, Seiji Kaneko, Yi Sun
  • Patent number: 12017433
    Abstract: Provided is a multilayered article and a multilayered container having excellent delamination resistance while maintaining an excellent oxygen barrier property. The multilayered article includes a polyester resin layer and a barrier layer, wherein a polyamide resin contained in the barrier layer contains from 90 to 10 parts by mass of a polyamide resin (B) per 10 to 90 parts by mass of a polyamide resin (A). In the polyamide resin (A), 70 mol % or more of structural unit derived from a diamine is derived from xylylenediamine, and over 90 mol % of structural unit derived from a dicarboxylic acid is derived from adipic acid. In the polyamide resin (B), 70 mol % or more of structural unit derived from a diamine is derived from xylylenediamine, and of structural unit derived from a dicarboxylic acid, from 30 to 65 mol % is derived from an am-linear aliphatic dicarboxylic acid having from 4 to 20 carbons and from 70 to 35 mol % is derived from isophthalic acid.
    Type: Grant
    Filed: April 22, 2019
    Date of Patent: June 25, 2024
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Takanori Miyabe, Takafumi Oda, Jin Nakamura, Masaki Yamanaka
  • Publication number: 20240206251
    Abstract: A display device of the present disclosure has a display region including a thin-film transistor, a terminal section, and a bending portion provided between the display region and the terminal section, and the display device includes the following: a resin layer provided above a base in the bending portion; an insulating layer provided to cover the resin layer; and a first wire provided above the insulating layer and extending in a first direction to electrically connect the thin-film transistor and the terminal section together, the first direction being a direction where the display region and the terminal section are disposed, wherein in the bending portion, the resin layer has at least one hole or dent overlapping the first wire in a plan view, and the insulating layer has at least one opening overlapping the at least one hole or dent in a plan view.
    Type: Application
    Filed: April 21, 2020
    Publication date: June 20, 2024
    Inventors: Takao SAITOH, Yohsuke KANZAKI, Masaki YAMANAKA, Yi SUN, Masahiko MIWA
  • Patent number: 11996418
    Abstract: A display device includes a substrate; a semiconductor layer; a gate insulating film; a gate electrode; a first interlayer insulating film; a capacitance electrode; and a second interlayer insulating film. Each of a pixel circuits includes a drive transistor, a capacitor and a connection wiring line. The capacitance electrode is provided with a first opening and a second opening in portions of positions overlapping with the gate electrode in plan view. The first interlayer insulating film and the second interlayer insulating film include a contact hole provided at a position surrounded by the first opening and a hole provided at a position surrounded by the second opening. The connection wiring line is provided on the second interlayer insulating film and is connected to the gate electrode via the contact hole. The hole overlaps with a portion of a channel region in plan view.
    Type: Grant
    Filed: April 9, 2019
    Date of Patent: May 28, 2024
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Masahiko Miwa, Takao Saitoh, Masaki Yamanaka, Yi Sun, Yohsuke Kanzaki
  • Patent number: 11985876
    Abstract: First overlying wires are provided between a display area and a bending portion, extending parallel to each other in a direction crossing the direction in which the bending portion extends. Underlying wires are provided between a first resin layer and a second resin layer on a resin substrate, extending across a slit and parallel to each other in a direction crossing the direction in which the bending portion extends. The first overlying wires are electrically connected respectively to the underlying wires via first contact holes formed through the second resin layer and inorganic insulation films.
    Type: Grant
    Filed: July 20, 2018
    Date of Patent: May 14, 2024
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Takao Saitoh, Masahiko Miwa, Yohsuke Kanzaki, Yi Sun, Masaki Yamanaka, Seiji Kaneko
  • Publication number: 20240155901
    Abstract: A second test portion includes a second test first terminal, a second test second terminal, a second test third terminal, and a second test fourth terminal electrically connected to a second test semiconductor layer via respective contact holes formed in a layered film of a gate insulating film and an interlayer insulating film, and the layered film of the gate insulating film and the interlayer insulating film in the second test portion is provided with an opening open upward between at least one of the second test first terminal, the second test second terminal, the second test third terminal, and the second test fourth terminal.
    Type: Application
    Filed: March 25, 2021
    Publication date: May 9, 2024
    Inventors: Takao SAITOH, Yohsuke KANZAKI, Masaki YAMANAKA, Masahiko MIWA, Yi SUN, Masaki FUJIWARA
  • Publication number: 20240155883
    Abstract: A display device includes a display panel including a base substrate layer, a thin film transistor layer, a light-emitting element layer, and a sealing film, and includes an image capturing unit provided on the base substrate layer side of a display region of the display panel. A plurality of subpixels constituting the display region are divided into a group of normal subpixels provided so as not to overlap with the image capturing unit and a group of thinned-out subpixels provided so as to overlap with the image capturing unit. The inorganic insulating film is provided with openings passing through the inorganic insulating film, in an image capturing region overlapping with the group of thinned-out subpixels.
    Type: Application
    Filed: March 26, 2021
    Publication date: May 9, 2024
    Inventors: Takao SAITOH, Yohsuke KANZAKI, Masaki YAMANAKA, Masahiko MIWA, Yi SUN, Masaki FUJIWARA
  • Publication number: 20240138212
    Abstract: In an organic EL display device, a frame region provided outside a display region is provided with a damming wall extending on an outer periphery of the display region and a second lead-out wiring line extending across the damming wall from the display region side to an outside of the frame region. The damming wall includes a bank portion having a projecting shape and provided, in a part in which the second lead-out wiring line extends, on both sides in a direction in which the second lead-out wiring line extends with respect to a top portion of the damming wall. The bank portion is lower than a top portion of a second damming wall and forms, between the bank portion and the top portion, a trap portion having a recessed shape.
    Type: Application
    Filed: March 24, 2021
    Publication date: April 25, 2024
    Inventors: Takao SAITOH, Yohsuke KANZAKI, Masaki YAMANAKA, Masahiko MIWA, Yi SUN, Masaki FUJIWARA
  • Patent number: 11968866
    Abstract: A second connection wire is electrically connected to a first connection wire via a display-side contact portion and terminal-side contact portion in a bending section. The first connection wire and the second connection wire do not overlap each other at least partly between the display-side contact portion and terminal-side contact portion.
    Type: Grant
    Filed: June 20, 2019
    Date of Patent: April 23, 2024
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Yohsuke Kanzaki, Yi Sun, Takao Saitoh, Masahiko Miwa, Masaki Yamanaka
  • Patent number: 11903299
    Abstract: A TEG near the perimeter of a frame region is away from a TFT, which is disposed in a display region and is actually used for screen display. Hence, the characteristics of the TEG can change in a manner different from that in the characteristics of the TFT within the display region. Accordingly, provided is a display device that includes a TEG pattern disposed between the display region and a trench, and includes a dummy pixel circuit disposed between the display region and a barrier wall. The TEG pattern is outside the display region and is adjacent to at least the dummy pixel circuit.
    Type: Grant
    Filed: November 16, 2018
    Date of Patent: February 13, 2024
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Takao Saitoh, Masahiko Miwa, Masaki Yamanaka, Yi Sun, Yohsuke Kanzaki, Seiji Kaneko
  • Patent number: 11871615
    Abstract: A display device includes: a base substrate; a TFT layer including a plurality of pixel circuits arranged; and a light-emitting element layer. Each of the plurality of pixel circuits includes: a TFT including a semiconductor layer, a gate insulating film, and a gate electrode; and a capacitor including the gate electrode, a first inorganic insulating film, and a capacitive electrode. The capacitive electrode extends all around a perimeter of the gate electrode and extends to an outside of the perimeter. An angle formed between an upper surface of the base substrate and at least a part of an end surface in a circumferential direction of the gate electrode not overlapping the semiconductor layer in the plan view is greater than an angle formed between the upper surface of the base substrate and an end surface of the gate electrode overlapping the semiconductor layer in the plan view.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: January 9, 2024
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Takao Saitoh, Masahiko Miwa, Yohsuke Kanzaki, Masaki Yamanaka, Yi Sun
  • Publication number: 20230413615
    Abstract: According to an aspect pf the disclosure, a display device includes a base substrate; a thin film transistor layer provided on the base substrate and including a wiring layer; and a light-emitting element layer provided on the thin film transistor layer and including a plurality of first electrodes, a plurality of functional layers, and a common, second electrode, which are sequentially stacked in such a manner as to correspond to a plurality of subpixels in a display area.
    Type: Application
    Filed: September 23, 2020
    Publication date: December 21, 2023
    Inventors: TAKAO SAITOH, YOHSUKE KANZAKI, MASAKI YAMANAKA, YI SUN, MASAHIKO MIWA
  • Publication number: 20230399772
    Abstract: Provided are a filament that does not impair the strength that is intrinsic to the filament and contains a disperse dye, and has excellent color fastness, a material using the filament, and a method for producing the material. The filament containing a polyamide resin having an aromatic ring and/or a hetero ring, and a disperse dye having an aromatic ring and/or a hetero ring.
    Type: Application
    Filed: September 1, 2021
    Publication date: December 14, 2023
    Inventors: Masaki YAMANAKA, Nobuhiko MATSUMOTO
  • Publication number: 20230374706
    Abstract: Provided are: a filament containing a polyamide resin, the filament having a high strength and a high retention percentage of mechanical properties after water absorption; a structure; a resin composition; and a method for producing the filament. The filament includes a polyamide resin containing diamine-derived structural units and dicarboxylic acid-derived structural units. 70 mol % or more of the diamine-derived structural units are derived from xylylenediamine, and 70 mol % or more of the dicarboxylic acid-derived structural units are derived from ?,?-linear aliphatic dicarboxylic acid having from 11 to 14 carbons. The content of a compound with a molecular weight of 310 or more and 1000 or less is 0.1 mass % or more and 1.5 mass % or less, and the content of a compound with a molecular weight of less than 310 is 0.1 mass % or less.
    Type: Application
    Filed: September 1, 2021
    Publication date: November 23, 2023
    Inventors: Masaki YAMANAKA, Nobuhiko MATSUMOTO
  • Publication number: 20230329038
    Abstract: A capacitor (9ha) includes a gate electrode (14a), a first interlayer insulating film (15), a capacitance electrode (16c), and a capacitance wiring line (18ha). The capacitance wiring line (18ha) is electrically connected to the capacitance electrode (16c). A capacitance of the capacitor (9ha) is formed between the gate electrode (14a) and the capacitance electrode (16c) and the capacitance wiring line (18ha) arranged facing each other across the first interlayer insulating film (15). A line width (W18h) of the capacitance wiring line (18ha) is equal to or greater than a line width (W16c) of the capacitance electrode (16c) and equal to or less than a line width (W14a) of the gate electrode (14a).
    Type: Application
    Filed: September 8, 2020
    Publication date: October 12, 2023
    Inventors: TAKAO SAITOH, YOHSUKE KANZAKI, MASAKI YAMANAKA, MASAHIKO MIWA, YI SUN
  • Publication number: 20230276667
    Abstract: A display device includes a base substrate, a thin film transistor layer and a light-emitting element layer. An insular non-display area is provided internal to a display area. A through hole extends in a direction of a thickness of the base substrate in a non-display area. A separation wall is provided in the non-display area so as to surround the through hole. The separation wall includes: a wall base portion made of a same material and in a same layer as a planarization film and provided like a frame; and a wall top portion made of a same material and in a same layer as an inorganic insulation film and provided on the wall base portion like a brim projecting from a display area side toward a through hole side.
    Type: Application
    Filed: July 22, 2020
    Publication date: August 31, 2023
    Inventors: TAKAO SAITOH, YOHSUKE KANZAKI, MASAKI YAMANAKA, YI SUN
  • Patent number: 11699778
    Abstract: A display device includes: an underlayer, a first insulating film contacting an upper face of the underlayer, a semiconductor layer, a second insulating film, a first metal layer, a first resin layer, a first electrode, and a second resin layer, in order from a lower layer, wherein at least one of the underlayer, the first resin layer, and the second resin layer is a thin film layer having a maximum film thickness in a display region provided with a light-emitting element being thicker than a maximum film thickness in a frame region surrounding the display region.
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: July 11, 2023
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Takao Saitoh, Yi Sun, Yohsuke Kanzaki, Masaki Yamanaka, Masahiko Miwa, Seiji Kaneko