Patents by Inventor Takashi Ikeda

Takashi Ikeda 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: 20250144935
    Abstract: An actuator includes a piezoelectric element including a first electrode, a piezoelectric layer, and a second electrode on a substrate in this order, a wiring line electrically connected to at least one of the first electrode and the second electrode, and an insulation layer arranged to contact and cover the wiring line, wherein a thickness of the wiring line is less than a thickness of the insulation layer in a direction perpendicular to the substrate, and the thickness of the insulation layer is 500 nm or less.
    Type: Application
    Filed: October 30, 2024
    Publication date: May 8, 2025
    Inventors: AKIRA SHIMAZU, TAKASHI IKEDA
  • Publication number: 20250121595
    Abstract: An actuator for a liquid ejection head includes an electrode which is disposed on a substrate; a piezoelectric film which is configured to be displaced by application of voltage from the electrode; a wiring which is electrically connected to the electrode; a first insulating film, which is disposed to be interposed between the electrode and the wiring, and which has a through hole for electrically connecting the electrode and the wiring; and a second insulating film which covers the wiring. The through hole has a planar shape including a curved portion, in a view in a thickness direction of the substrate, and a radius of curvature of the curved portion is at least 8 times a film thickness of the first insulating film.
    Type: Application
    Filed: October 8, 2024
    Publication date: April 17, 2025
    Inventors: SHUJI TOBASHI, TAKASHI IKEDA
  • Patent number: 12243903
    Abstract: A radiation detector in which a semiconductor substrate to convert radiation into charges, a circuit board comprising a readout circuit to read out signals from pixels arranged on the substrate, and a bonding layer to bond the substrate and the circuit board are stacked is provided. Each of the pixels comprises an electrode arranged on a first surface on a side of the circuit board of the substrate. The readout circuit is arranged on a second surface on a side of the substrate of the circuit board, and is connected to a conductive pattern arranged on a third surface on an opposite side of the second surface of the circuit board. The electrode is electrically connected to the readout circuit via the conductive pattern and a second conductive member arranged in a through hole penetrating the circuit board and the bonding layer.
    Type: Grant
    Filed: April 4, 2023
    Date of Patent: March 4, 2025
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Takashi Ikeda
  • Patent number: 12160099
    Abstract: There is provided a to-be-protection circuit that is high in operation accuracy and that prevents overvoltage on a protected circuit. A protection circuit is configured to protect a to-be-protected circuit from overvoltage. The to-be-protected circuit is connected to an external output terminal. The protection circuit includes: a current path unit connected to the external output terminal and including at least one first element; a reference voltage generation unit which generates and outputs a reference voltage; and an amplifier circuit outputs a target voltage based on a difference between a first input voltage and a second input voltage. The amplifier circuit operates using the reference voltage as the first input voltage and using a feedback voltage based on the target voltage as the second input voltage, and outputs the target voltage to the current path unit.
    Type: Grant
    Filed: September 2, 2022
    Date of Patent: December 3, 2024
    Assignee: MegaChips Corporation
    Inventors: Yuta Yamada, Takashi Ikeda
  • Publication number: 20240382881
    Abstract: This supply air demister comprises a duct forming a flow channel through which supply air flows upward from below, and a demister body provided above the duct. The demister body has: a plurality of gutter parts having a receiving surface depressed downward and extending obliquely, and provided side by side at intervals from each other; and a plurality of return parts provided above the gutter parts, having a return surface depressed upward, and provided side by side at intervals from each other. The return parts are configured such that a return surface overlaps with an adjacent receiving surface in the extending direction of the return surface as viewed in the vertical direction.
    Type: Application
    Filed: February 14, 2022
    Publication date: November 21, 2024
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Yoshiaki ARAKAWA, Takashi IKEDA, Kenichi IWANAGA, Go TOMATSU, Koji IWASAKI
  • Publication number: 20240351332
    Abstract: A piezoelectric actuator includes a piezoelectric element including a first electrode, a piezoelectric layer, and a second electrode arranged in this order from a substrate, a first wiring electrically connected to the first electrode, a second wiring electrically connected to the second electrode, a first layer covering the piezoelectric element, a second layer arranged between the piezoelectric element and the first wiring and between the piezoelectric element and the second wiring, and a third layer arranged to cover the first wiring, the second wiring, and a periphery of the piezoelectric layer when viewed from a direction perpendicular to a surface of the substrate, wherein the first layer, the second layer, and the third layer are arranged in this order from the substrate, and wherein the third layer has higher moisture resistance than the second layer.
    Type: Application
    Filed: April 18, 2024
    Publication date: October 24, 2024
    Inventors: SHINICHIRO WATANABE, TAKASHI IKEDA, SHOGO TAZAWA
  • Publication number: 20240304651
    Abstract: A radiation detector in which a semiconductor substrate to convert radiation into charges, a circuit board comprising a readout circuit to read out signals from pixels arranged on the substrate, and a bonding layer to bond the substrate and the circuit board are stacked is provided. Each of the pixels comprises an electrode arranged on a first surface on a side of the circuit board of the substrate. The readout circuit is arranged on a second surface on a side of the substrate of the circuit board, and is connected to a conductive pattern arranged on a third surface on an opposite side of the second surface of the circuit board. The electrode is electrically connected to the readout circuit via the conductive pattern and a second conductive member arranged in a through hole penetrating the circuit board and the bonding layer.
    Type: Application
    Filed: April 4, 2023
    Publication date: September 12, 2024
    Inventor: TAKASHI IKEDA
  • Patent number: 12078187
    Abstract: An impeller includes a boss provided on a rotation axis and a blade provided on an outer circumferential side of the boss. The blade has a radially middle portion that is located midway between an outer circumferential edge and an inner circumferential edge in a radial direction of the blade from the rotation axis. A span-direction section of part of the blade that adjoins the leading edge is shaped such that part of a suction side of the blade that is located in an area between the radially middle portion and the outer circumferential edge is concave, and a span-direction section of part of the blade that adjoins the trailing edge is shaped such that part of the suction side of the blade that is located in the area between the radially middle portion and the outer circumferential edge is convex.
    Type: Grant
    Filed: December 26, 2018
    Date of Patent: September 3, 2024
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Shota Morikawa, Tomoya Fukui, Koyuki Nagashima, Takashi Ikeda
  • Publication number: 20240250596
    Abstract: A linear motor includes a plurality of multi-phase coil groups that are arranged linearly and generate linear power in an arrangement direction depending on flowing multi-phase ACs, and inter-coil reinforcing members that are provided between the plurality of multi-phase coil groups.
    Type: Application
    Filed: November 30, 2023
    Publication date: July 25, 2024
    Inventors: Kotaro WADA, Tatsuya YOSHIDA, Daisuke SHINOHIRA, Takashi IKEDA
  • Publication number: 20240248384
    Abstract: A light source device includes a light source element that emits light source light in a first wavelength region, a selective reflection element that separates the light source light into first light and second light, a first light direction conversion element that reflects the first light guided in a first direction from the selective reflection element in a second direction, and a wavelength conversion element that converts the first light into third light in a second wavelength region. The first light direction conversion element reflects the third light in a third direction opposite to the first direction. The selective reflection element transmits the third light reflected by the first light direction conversion element. The selective reflection element guides the second light and the third light in the third direction. The light source element emits the light source light in a direction different from the second direction.
    Type: Application
    Filed: April 3, 2024
    Publication date: July 25, 2024
    Inventors: Yoshiki Tanaka, Takashi Ikeda, Manabu Okuno, Makoto Maeda
  • Publication number: 20240248385
    Abstract: A light source device includes: a light source element emitting first light; a first selective reflection element disposed at a position where the first light is incident, the first selective reflection element transmitting a component of first linear polarized light and reflecting a component of second linear polarized light; a second selective reflection element disposed at a position for receiving incident light that has passed through or been reflected by the first selective reflection element, the second selective reflection element transmitting or reflecting the incident light in accordance with a wavelength region; and a first polarization direction conversion element disposed between the first and second selective reflection element, the first polarization direction conversion element converting the first linear polarized light into elliptical polarized light.
    Type: Application
    Filed: April 2, 2024
    Publication date: July 25, 2024
    Inventors: Takashi Ikeda, Yoshiki TANAKA, Makoto Maeda, Yusaku Nishikawa, Manabu Okuno
  • Publication number: 20240242475
    Abstract: A liquid application apparatus sequentially moves to a plurality of regions to which a region to be applied with liquid is divided and discharges liquid on basis of an image pattern corresponding to each of the plurality of regions. The liquid application apparatus includes processing circuitry configured to: calculate a deviation amount between a first region on which an image pattern is applied by the liquid application apparatus and a second region to which the liquid application apparatus moves from the first region; and correct an image pattern corresponding to the second region on basis of the deviation amount calculated.
    Type: Application
    Filed: January 16, 2024
    Publication date: July 18, 2024
    Inventors: Kimiharu YAMAZAKI, Takashi IKEDA, Yasunari KAWASHIMA, Tomoaki KIMURA, Hideo TANAKA, Yuta KASHIWAGI, Masayuki SUNAOSHI, Yorifumi TSUCHIDA
  • Publication number: 20240159238
    Abstract: An air sending device is provided with a cross flow fan including an impeller in which a plurality of blades is arranged annularly. Each of the blades includes a pressure surface, a suction surface, an inner peripheral end face, and an outer peripheral end face. The pressure surface of the blade satisfies the following relationship: a curvature of a second pressure-surface side curved surface>a curvature of a third pressure-surface side curved surface>a curvature of a first pressure-surface side curved surface. When a first, a second, and a third pressure-surface side area of a surface of part of a pressure surface side of the blade are projected on a chord line connecting the inner and outer peripheral end of the blade, a length of the third pressure-surface side area>a length of the first pressure-surface side area>a length of the second pressure-surface side area.
    Type: Application
    Filed: May 7, 2021
    Publication date: May 16, 2024
    Inventors: Atsushi KONO, Takuya TERAMOTO, Yuki UGAJIN, Koji YAMAGUCHI, Tetsuo YAMASHITA, Takashi IKEDA
  • Patent number: 11976872
    Abstract: An axial flow fan includes a hub driven to rotate and configured to serve as a rotation axis of the axial flow fan and a blade connected to the hub. The blade has a leading edge and a trailing edge. The trailing edge has an indentation indenting toward the leading edge. The indentation narrows from the trailing edge to the leading edge, and has an apex being a point closest to the leading edge from among the points constituting the indentation. The blade has, at the indentation, a maximum thickness portion at which a thickness of the blade is maximum, and which is positioned radially inside of the apex.
    Type: Grant
    Filed: June 25, 2019
    Date of Patent: May 7, 2024
    Assignee: Mitsubishi Electric Corporation
    Inventors: Takahide Tadokoro, Katsuyuki Yamamoto, Takashi Ikeda
  • Publication number: 20240077214
    Abstract: An indoor unit includes: a casing that has an air outlet and an air inlet, and inside which an air passage is formed; a cross flow fan disposed in the air passage and configured to blow out, through the air outlet, air sucked in from the air inlet; a stabilizer configured to stabilize vortex of air caused by circulation of air and generated inside the cross flow fan upon rotation thereof; and a guide wall having a surface defining an outlet side air passage being a part of the air passage, the part being in downstream of the cross flow fan, wherein the stabilizer has a first surface that defines a surface opposite to the guide wall in the outlet side air passage, and a part of the outlet side air passage is formed such that a distance in a vertical direction from the first surface to the guide wall gradually decreases toward the downstream.
    Type: Application
    Filed: March 19, 2021
    Publication date: March 7, 2024
    Inventors: Atsushi KONO, Takuya TERAMOTO, Yuki UGAJIN, Koji YAMAGUCHI, Tetsuo YAMASHITA, Takashi IKEDA
  • Publication number: 20240026887
    Abstract: In an axial flow fan, a plurality of blades are rotated about a rotation axis of the plurality of blades to generate an air current. Each of the plurality of blades includes a leading edge portion on a forward side in a rotation direction, and a trailing edge portion on a rearward side in the rotation direction. At the trailing edge portion of the blade, a first recessed portion is formed such that the first recessed portion is recessed toward the leading edge portion. At the leading edge portion of the blade, the second recessed portion is recessed toward the trailing edge portion. Ranges of the first recessed portion and the second recessed portion in a radial direction overlap with each other or completely coincide with each other.
    Type: Application
    Filed: October 27, 2020
    Publication date: January 25, 2024
    Inventors: Katsuyuki YAMAMOTO, Takuya TERAMOTO, Naho ADACHI, Takashi IKEDA, Takanori YOSHIDA
  • Patent number: 11859859
    Abstract: An outdoor unit for an air-conditioning apparatus includes a casing having an air inlet through which air enters the casing, an air-sending device disposed in the casing and configured to create a flow of air passing through the air inlet, a heat exchanger disposed between the casing and the air-sending device and exposed through the air inlet and including a plurality of fins spaced apart from each other, and a partition disposed in the casing and dividing a space in the casing into an air-sending device chamber containing the heat exchanger and the air-sending device and a machine chamber containing a compressor. The plurality of fins include an end fin group located at an end remote from the partition. The casing includes a wall having at least one vent that faces the end fin group and that is located along a side edge part defining an edge of the air inlet.
    Type: Grant
    Filed: January 29, 2019
    Date of Patent: January 2, 2024
    Assignee: Mitsubishi Electric Corporation
    Inventors: Kentaro Yonehara, Hiroyuki Jinnai, Takashi Ikeda, Shingo Hamada
  • Publication number: 20230418047
    Abstract: The wavelength conversion device includes a wavelength conversion element that generates, from incident first light, second light having a wavelength different from a wavelength of the first light and third light having a wavelength different from the wavelength of the first light and the wavelength of the second light. The wavelength conversion element includes a plurality of wavelength converters arranged adjacent to each other in a first direction. Each of the plurality of wavelength converters includes a first phosphor layer that converts the first light into fluorescent light that is the second light, and a second phosphor layer that converts the first light into fluorescent light that is the third light. The first phosphor layer and the second phosphor layer are arranged adjacent to each other to cause the plurality of first phosphor layers and the plurality of second phosphor layers to be alternately arranged in the first direction.
    Type: Application
    Filed: September 6, 2023
    Publication date: December 28, 2023
    Inventors: Takashi IKEDA, Yusaku NISHIKAWA, Yoshiki TANAKA
  • Patent number: 11846224
    Abstract: A urea removing apparatus has: a determining section that determines whether or not a urea aqueous solution is injected from an injection nozzle when control is performed to inject the urea aqueous solution from the injection nozzle into an exhaust pipe where exhaust gas of an engine flows; a supply control section that controls a pump that supplies the urea aqueous solution to the injection nozzle from a tank that stores the urea aqueous solution, and causes the urea aqueous solution to be supplied from the tank to the injection nozzle in a case that it is determined that the urea aqueous solution is not injected from the injection nozzle; and a temperature control section that performs control to raise the temperature of exhaust gas in a state where the urea aqueous solution supplied from the tank has been poured into the injection nozzle.
    Type: Grant
    Filed: March 11, 2023
    Date of Patent: December 19, 2023
    Assignee: ISUZU MOTORS LIMITED
    Inventors: Takashi Ikeda, Hikaru Ishii, Shinji Goto
  • Publication number: 20230389432
    Abstract: A piezoelectric element includes a lower electrode, a piezoelectric film, and an upper electrode in this order on a substrate. An aluminum oxide film containing at least one element selected from the group consisting of elements of group III, elements of group IV, and elements of group V, of the periodic table is disposed between the lower electrode and the piezoelectric film.
    Type: Application
    Filed: May 25, 2023
    Publication date: November 30, 2023
    Inventor: TAKASHI IKEDA