Patents by Inventor Daisuke Iguchi

Daisuke Iguchi 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: 12287428
    Abstract: A light-emitting device includes plural driving units; plural laser element arrays connected to the respective plural driving units; and a connection wire that interconnects terminals of the plural laser element arrays, the terminals being connected to the plural driving units.
    Type: Grant
    Filed: November 29, 2020
    Date of Patent: April 29, 2025
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Daisuke Iguchi, Tomoaki Sakita
  • Patent number: 12266903
    Abstract: A light emitting device includes: a substrate that is provided with at least a part of a resonant circuit in which resonance occurs; and a light emitting element that emits light in a case where a current in the resonant circuit is supplied, in which the substrate has an electric accumulation layer provided in the resonant circuit and accumulating electric charge, and the resonant circuit is not provided with an electric accumulation element having a thickness larger than a thickness of the electric accumulation layer and accumulating electric charge.
    Type: Grant
    Filed: January 18, 2022
    Date of Patent: April 1, 2025
    Assignee: FUJIFILM Business Innovation Corp.
    Inventor: Daisuke Iguchi
  • Patent number: 12184035
    Abstract: A light-emitting device includes a first base member; a laser unit provided on the first base member; a capacitive element that is provided on the first base member and supplies a driving electric current to the laser unit; a wiring board that is constituted by a second base member having lower thermal conductivity than the first base member and on which the first base member is mounted; and a driving unit that is mounted on the wiring board and drives the laser unit.
    Type: Grant
    Filed: December 9, 2020
    Date of Patent: December 31, 2024
    Assignee: FUJIFILM Business Innovation Corp.
    Inventor: Daisuke Iguchi
  • Publication number: 20240345227
    Abstract: A light emitting apparatus includes: a light emitting unit that has plural regions configured to individually emit light; a drive unit that drives a predetermined region among the plural regions of the light emitting unit to perform pulse light emission; and an acquisition unit that acquires a light reception result obtained by receiving reflected light of the light emitted from the light emitting unit toward a target object, in which in one acquisition acquired by the acquisition unit, the drive unit drives the predetermined region such that the pulse light emission of the predetermined region is performed plural times with time intervals.
    Type: Application
    Filed: February 22, 2024
    Publication date: October 17, 2024
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Junichiro Hayakawa, Kei Takeyama, Daisuke Iguchi
  • Publication number: 20240345226
    Abstract: A drive device drives a light emitting device including a first light emitting section and a second light emitting section, in which each of the first light emitting section and the second light emitting section has predetermined plural light emitting periods, and the drive device is configured to: cause the light emitting device to perform pulse light emission 500 times or more in the light emitting period; and drive the light emitting device such that the second light emitting section has a light emitting period in a light non-emitting period during which the first light emitting section does not emit light between a light emitting period and a next light emitting period of the first light emitting section.
    Type: Application
    Filed: February 4, 2024
    Publication date: October 17, 2024
    Applicant: FUJIFILM Business Innovation Corp .
    Inventors: Daisuke IGUCHI, Junichiro HAYAKAWA, Kei TAKEYAMA
  • Publication number: 20240345222
    Abstract: A distance measuring apparatus includes: plural light emitters that irradiate a target whose distance is to be measured with light and are arranged along a predetermined first direction; an optical unit that directs light so that in a case where one light emitter emits light, a light amount corresponding to a central part of the light emitter and a light amount of a boundary part with an adjacent light emitter are different and in a case where plural light emitters emit light, the light amount corresponding to the central part of the light emitter and the light amount corresponding to the boundary part are equal; a light emission control unit that controls ON and OFF of the light emitters, the light emission control unit controlling the light emitters in modes including a first lighting mode in which a combination of two or more light emitters along the first direction that is ON and a combination of two or more light emitters along the first direction that is OFF alternate, a first inversion mode in which ON
    Type: Application
    Filed: February 4, 2024
    Publication date: October 17, 2024
    Applicant: FUJIFILM Business Innovation Corp.
    Inventor: Daisuke IGUCHI
  • Publication number: 20240349412
    Abstract: A drive device is configured to: cause a light emitting device including plural light emitting sections to emit light such that each of the light emitting sections has a predetermined plural light emitting periods and a light non-emitting period following each of the light emitting periods; and switch a second light emitting section other than a first light emitting section among the plural light emitting sections, which has a light emitting period to be included in a light non-emitting period of the first light emitting section.
    Type: Application
    Filed: February 20, 2024
    Publication date: October 17, 2024
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Kei TAKEYAMA, Daisuke IGUCHI, Emiko SHIRAISHI, Junichiro HAYAKAWA
  • Patent number: 12107385
    Abstract: A light emitting device includes a wiring board having a first wiring layer and a second wiring layer adjacent to the first wiring layer via an insulating layer, a laser having a cathode electrode and an anode electrode, mounted on the wiring board, and driven through low-side driving, and a capacitive element mounted on the wiring board and configured to supply a drive current to the laser. The first wiring layer includes a cathode wire connected to the cathode electrode, and an anode wire connected to the anode electrode. The second wiring layer includes a reference potential wire connected to a reference potential. The reference potential wire overlaps the anode wire. The anode wire surrounds the capacitive element.
    Type: Grant
    Filed: December 4, 2020
    Date of Patent: October 1, 2024
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Daisuke Iguchi, Kazuhiro Sakai
  • Patent number: 12107396
    Abstract: A light-emitting device includes: a first light-emitting element array that includes plural first light-emitting elements arranged at a first interval; a second light-emitting element array that includes plural second light-emitting elements arranged at a second interval wider than the first interval, second light-emitting element array being configured to output a light output larger than a light output of the first light-emitting element array, and being configured to be driven independently from the first light-emitting element array; and a light diffusion member provided on an emission path of the second light-emitting element array.
    Type: Grant
    Filed: September 17, 2021
    Date of Patent: October 1, 2024
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Takashi Kondo, Kenichi Ono, Daisuke Iguchi, Yoshinori Shirakawa, Tomoaki Sakita, Tsutomu Otsuka
  • Patent number: 12057677
    Abstract: A light-emitting device includes an insulating base member having thermal conductivity of 10 W/m·K or more; a light-emitting element provided on a front surface side of the base member; a first rear surface wire that is provided on a rear surface side of the base member and is connected to one of a cathode electrode and an anode electrode of the light-emitting element; a second rear surface wire that is provided on the rear surface side of the base member and is connected to the other one of the cathode electrode and the anode electrode; and a reference potential wire that is provided on the rear surface side of the base member and is connected to an external reference potential.
    Type: Grant
    Filed: December 31, 2020
    Date of Patent: August 6, 2024
    Assignee: FUJIFILM Business Innovation Corp.
    Inventor: Daisuke Iguchi
  • Patent number: 12027510
    Abstract: A light-emitting element array chip includes: a first light-emitting element array that includes a first light-emitting element including a first substrate, a light-emitting element layer formed on the first substrate, and a first cathode electrode electrically connected to the light-emitting element layer; and a second light-emitting element array that includes a second light-emitting element including a second substrate, a non-p-type lower reflector formed on the second substrate, and a second cathode electrode electrically connected to the non-p-type lower reflector, in which the first light-emitting element array is provided on an emission surface side of the second light-emitting element array.
    Type: Grant
    Filed: June 23, 2021
    Date of Patent: July 2, 2024
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Takashi Kondo, Satoshi Inada, Takeshi Minamiru, Daisuke Iguchi, Kazuhiro Sakai, Tomoaki Sakita, Michiaki Murata
  • Patent number: 11973321
    Abstract: A light emitting device includes a wiring substrate, a light emitting element array that includes a first side surface and a second side surface facing each other, and a third side surface and a fourth side surface connecting the first side surface and the second side surface to each other and facing each other, the light emitting element array being provided on the wiring substrate, a driving element that is provided on the wiring substrate on the first side surface side and drives the light emitting element array, a first circuit element and a second circuit element that are provided on the wiring substrate on the second side surface side to be arranged in a direction along the second side surface, and a wiring member that is provided on the third side surface side and the fourth side surface side and extends from a top electrode of the light emitting element array toward an outside of the light emitting element array.
    Type: Grant
    Filed: May 31, 2023
    Date of Patent: April 30, 2024
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Kazuhiro Sakai, Daisuke Iguchi, Takeshi Minamiru, Yoshinori Shirakawa, Tomoaki Sakita, Tsutomu Otsuka
  • Publication number: 20240106193
    Abstract: A light emitting component includes: a substrate; a plural light emitting elements that are provided on the substrate and respectively have light emission regions; and a plural thyristors that are turned on to cause the light emission regions of the respective light emitting elements to emit light, or that increase amounts of emitted light of the light emission regions, in which the light emitting elements absorb light emitted from a corresponding thyristor among the plural thyristors.
    Type: Application
    Filed: April 18, 2023
    Publication date: March 28, 2024
    Applicants: FUJIFILM Business Innovation Corp., FUJIFILM Corporation
    Inventors: Saori NISHIZAKI, Takashi KONDO, Takafumi HIGUCHI, Junichiro HAYAKAWA, Daisuke IGUCHI, Tomoaki SAKITA, Kei TAKEYAMA
  • Publication number: 20240106194
    Abstract: A light-emitting array includes a light-emitting part having plural light-emitting block, a selection part that operates with a reference potential supplied from a reference part provided on an outside as a reference and selects the light-emitting block to be made to emit light, and a disconnection part that disconnects connection of the selection part and the reference part in a period during which a light emission current caused by low-side drive is flowing in the light-emitting block.
    Type: Application
    Filed: April 18, 2023
    Publication date: March 28, 2024
    Applicants: FUJIFILM Business Innovation Corp., FUJIFILM Corporation
    Inventors: Daisuke IGUCHI, Kei Takeyama, Seiji Ono, Tomoaki Sakita, Takashi Kondo, Junichiro Hayakawa
  • Patent number: 11936164
    Abstract: A light emitting device includes a wiring substrate, a light emitting element array that includes a first side surface and a second side surface facing each other, and a third side surface and a fourth side surface connecting the first side surface and the second side surface to each other and facing each other, the light emitting element array being provided on the wiring substrate, a driving element that is provided on the wiring substrate on the first side surface side and drives the light emitting element array, a first circuit element and a second circuit element that are provided on the wiring substrate on the second side surface side to be arranged in a direction along the second side surface, and a wiring member that is provided on the third side surface side and the fourth side surface side and extends from a top electrode of the light emitting element array toward an outside of the light emitting element array.
    Type: Grant
    Filed: May 31, 2023
    Date of Patent: March 19, 2024
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Kazuhiro Sakai, Daisuke Iguchi, Takeshi Minamiru, Yoshinori Shirakawa, Tomoaki Sakita, Tsutomu Otsuka
  • Patent number: 11936160
    Abstract: A light-emitting device includes a laser unit; and a first capacitive element and a second capacitive element that supply a driving electric current to the laser unit; wherein the first capacitive element has a smaller capacity and smaller equivalent series inductance than the second capacitive element, and a length of a first electric current path along which the driving electric current output from the first capacitive element returns to the first capacitive element is shorter than a length of a second electric current path along which the driving electric current output from the second capacitive element returns to the second capacitive element.
    Type: Grant
    Filed: December 1, 2020
    Date of Patent: March 19, 2024
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Daisuke Iguchi, Kazuhiro Sakai
  • Patent number: D1043483
    Type: Grant
    Filed: February 2, 2023
    Date of Patent: September 24, 2024
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Daisuke Iguchi, Junya Furuta
  • Patent number: D1044600
    Type: Grant
    Filed: February 2, 2023
    Date of Patent: October 1, 2024
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Byung Hyun Yoo, Daisuke Iguchi
  • Patent number: D1060154
    Type: Grant
    Filed: February 2, 2023
    Date of Patent: February 4, 2025
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Daisuke Iguchi
  • Patent number: D1062558
    Type: Grant
    Filed: April 18, 2024
    Date of Patent: February 18, 2025
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Daisuke Iguchi, Tomas Jankauskas