Patents by Inventor Yosuke Saito

Yosuke Saito 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: 20240145517
    Abstract: Provided is a solid-state image capturing element including a semiconductor substrate and first and second photoelectric conversion parts configured to convert light into electric charge. The first and the second photoelectric conversion parts each have a laminated structure including an upper electrode, a lower electrode, a photoelectric conversion film sandwiched between the upper electrode and the lower electrode, and an accumulation electrode facing the upper electrode through the photoelectric conversion film and an insulating film.
    Type: Application
    Filed: December 19, 2023
    Publication date: May 2, 2024
    Applicants: SONY GROUP CORPORATION, SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Kenichi MURATA, Masahiro JOEI, Fumihiko KOGA, Iwao YAGI, Shintarou HIRATA, Hideaki TOGASHI, Yosuke SAITO, Shingo TAKAHASHI
  • Patent number: 11974444
    Abstract: There is provided a solid-state image sensor, a solid-state imaging device, an electronic apparatus, and a method of manufacturing a solid-state image sensor capable of improving characteristics. There is provided a solid-state image sensor including a stacked structure that includes a semiconductor substrate, a first photoelectric converter provided above the semiconductor substrate and converting light into charges, and a second photoelectric converter provided above the first photoelectric converter and converting light into charges, where the first photoelectric converter and the second photoelectric converter include a photoelectric conversion stacked structure in which a common electrode, a photoelectric conversion film, and a readout electrode are stacked so that the first photoelectric converter and the second photoelectric converter are in a line-symmetrical relationship with each other with a vertical plane perpendicular to a stacking direction of the stacked structure as an axis of symmetry.
    Type: Grant
    Filed: June 11, 2019
    Date of Patent: April 30, 2024
    Assignees: SONY CORPORATION, SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Hideaki Togashi, Iwao Yagi, Masahiro Joei, Fumihiko Koga, Kenichi Murata, Shintarou Hirata, Yosuke Saito, Akira Furukawa
  • Publication number: 20240128747
    Abstract: A backup power supply device includes: a storage battery charged with power from an external power supply; charge switches for charging the storage batter; discharge switches that are made from a field-effect transistor and that discharge the storage battery to a load device; a control unit for controlling the charge switches and the discharge switches; and a discharge suppression section connected in series to the discharge switches. The discharge suppression section suppresses leakage of current from the storage battery only when the control unit charges the storage battery, and the battery voltage exceeds an input voltage and the difference voltage between the battery voltage and the input voltage is less than a prescribed value.
    Type: Application
    Filed: February 7, 2022
    Publication date: April 18, 2024
    Inventors: Kenji KITAMURA, Shun MOCHIZUKI, Yosuke SAITO
  • Patent number: 11958298
    Abstract: A liquid discharge method for a liquid discharge apparatus having a plurality of print modes includes determining and changing. The determining determines the print modes by a determiner. The changing changes, based on the print mode determined by the determiner, a use nozzle width and a discharge amount of a spot color head in a line feed direction such that a print mode having a low print speed has a narrower nozzle width and a larger discharge amount than a print mode having a high print speed by a controller.
    Type: Grant
    Filed: May 27, 2020
    Date of Patent: April 16, 2024
    Assignee: RICOH COMPANY, LTD.
    Inventors: Yosuke Saito, Atsushi Hada, Yuki Tsuchiya, Daisuke Mezaki
  • Publication number: 20240055886
    Abstract: This power supply device includes a battery unit which includes: a first battery pack; a step-up/down circuit for boosting the voltage of an external power supply up to the charge voltage of the battery pack; a first charge circuit; a first discharge circuit for detecting a voltage drop of the external power supply and performing discharge from the battery pack to a load device; and a control circuit for controlling charging and discharging. The discharge circuit has a first discharge switch and a second discharge switch which are connected in series between the battery pack and a power supply line. The first discharge switch is switched on/off by receiving a switching signal from the control circuit, and the second discharge switch is directly switched on/off not via the control circuit on the basis of the voltage of the external power supply.
    Type: Application
    Filed: September 27, 2021
    Publication date: February 15, 2024
    Inventors: Kiyotaka KUMAMOTO, Yosuke SAITO, Yasuyuki KATSUBE, Kazuhiro HIWATASHI
  • Patent number: 11897272
    Abstract: A liquid ejection device includes: a move control unit configured to move any one of a first element and a second element in a main-scanning direction and a sub-scanning direction orthogonal to the main-scanning direction, the first element including a plurality of ejectors to eject active energy ray curable liquid and an active energy ray irradiator, the second element including an object to which the liquid is ejected; and a control unit configured to perform control to cause a first ejector to eject a first ejection amount of liquid, cure the first ejection amount of liquid, cause a second ejector to eject a second ejection amount of liquid onto the cured first ejection amount of liquid, and cure the second ejection amount of liquid. The first ejection amount and the second ejection amount are different from each other.
    Type: Grant
    Filed: November 28, 2019
    Date of Patent: February 13, 2024
    Assignee: Ricoh Company, Ltd.
    Inventors: Yosuke Saito, Atsushi Hada, Yuki Tsuchiya, Daisuke Mezaki
  • Patent number: 11888012
    Abstract: Provided is a solid-state image capturing element including a semiconductor substrate and first and second photoelectric conversion parts configured to convert light into electric charge. The first and the second photoelectric conversion parts each have a laminated structure including an upper electrode, a lower electrode, a photoelectric conversion film sandwiched between the upper electrode and the lower electrode, and an accumulation electrode facing the upper electrode through the photoelectric conversion film and an insulating film.
    Type: Grant
    Filed: July 25, 2019
    Date of Patent: January 30, 2024
    Assignees: SONY CORPORATION, SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Kenichi Murata, Masahiro Joei, Fumihiko Koga, Iwao Yagi, Shintarou Hirata, Hideaki Togashi, Yosuke Saito, Shingo Takahashi
  • Publication number: 20240023352
    Abstract: An imaging element according to an embodiment of the present disclosure includes: a first electrode including a plurality of electrodes; a second electrode opposed to the first electrode; a photoelectric conversion layer including an organic material provided between the first electrode and the second electrode; a first semiconductor layer provided between the first electrode and the photoelectric conversion layer, and including an n-type semiconductor material; and a second semiconductor layer provided between the second electrode and the photoelectric conversion layer, and including at least one of a carbon-containing compound having an electron affinity larger than a work function of the first electrode or an inorganic compound having a work function larger than the work function of the first electrode.
    Type: Application
    Filed: August 23, 2023
    Publication date: January 18, 2024
    Applicants: SONY GROUP CORPORATION, SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Yosuke SAITO, Masashi BANDO, Yukio KANEDA, Yoshiyuki HIRANO, Toshiki MORIWAKI
  • Patent number: 11856802
    Abstract: A first photoelectric conversion element according to an embodiment of the present disclosure incudes: a first electrode; a second electrode disposed to be opposed to the first electrode; and a photoelectric conversion layer provided between the first electrode and the second electrode and including a chromophore, fullerene or a fullerene derivative, and a hole-transporting material, in which the chromophore and the fullerene or the fullerene derivative are bonded to each other at least partially via a crosslinking group in the photoelectric conversion layer.
    Type: Grant
    Filed: May 13, 2019
    Date of Patent: December 26, 2023
    Assignees: Sony Corporation, Sony Semiconductor Solutions Corporation
    Inventors: Yosuke Saito, Sae Miyaji, Masato Kanno, Yasuharu Ujiie, Yuta Hasegawa, Osamu Enoki, Yuki Negishi
  • Publication number: 20230408961
    Abstract: A sheet laminator includes a thermal fixing roller pair, a first heater, a second heater, multiple temperature detectors, and a driver. The thermal fixing roller pair includes a first thermal fixing roller and a second thermal fixing roller facing the first thermal fixing roller. The thermal fixing roller pair thermally fixes and conveys a two-ply sheet and a sheet medium nipped between two sheets of the two-ply sheet. The first heater heats the first thermal fixing roller. The second heater heats the second thermal fixing roller. The multiple temperature detectors are at different positions along an axial direction of the thermal fixing roller pair. The multiple temperature detectors detect a surface temperature of the thermal fixing roller pair. The driver drives the thermal fixing roller pair.
    Type: Application
    Filed: June 15, 2023
    Publication date: December 21, 2023
    Inventors: Shota YOSHIDA, Keisuke SUGIYAMA, Yuichiro KATO, Kazuki SHIMODATE, Takaya OCHIAI, Naoki TAKAI, Yosuke SAITO
  • Publication number: 20230408956
    Abstract: A thermal fixer includes a first thermal fixing roller and a second thermal fixing roller. The first thermal fixing roller includes a first heater. The second thermal fixing roller is pressed to the first thermal fixing roller. The second thermal fixing roller includes a second heater and has a diameter, a rigidity, and a surface releasability substantially identical to the first thermal fixing roller.
    Type: Application
    Filed: June 20, 2023
    Publication date: December 21, 2023
    Inventors: Yuichiro KATO, Kazuki SHIMODATE, Shota YOSHIDA, Takaya OCHIAI, Naoki TAKAI, Yosuke SAITO, Keisuke SUGIYAMA
  • Publication number: 20230400806
    Abstract: A sheet laminator includes a fuser pressure member, a conveyor, and a guide. The fuser pressure member thermally fixes a two-ply sheet and a sheet medium inserted between two sheets of the two-ply sheet. The conveyor conveys the two-ply sheet toward the fuser pressure member in a sheet conveyance direction. The guide guides the two-ply sheet in a sheet conveyance passage between the conveyor and the fuser pressure member. At least one of the fuser pressure member or the conveyor is operable to guide the two-ply sheet outside the sheet conveyance passage in response to an occurrence of an abnormal stop of the sheet laminator.
    Type: Application
    Filed: June 7, 2023
    Publication date: December 14, 2023
    Inventors: Naoki TAKAI, Keisuke SUGIYAMA, Yuichiro KATO, Kazuki SHIMODATE, Shota YOSHIDA, Takaya OCHIAI, Yosuke SAITO
  • Publication number: 20230398775
    Abstract: A sheet laminator includes a fuser pressure member, a heater, a drive device, and circuitry. The fuser pressure member thermally fixes a two-ply sheet and a sheet medium inserted between two sheets of the two-ply sheet. The heater heats the fuser pressure member. The driver rotates the fuser pressure member. In response to a pause of a rotation of the fuser pressure member, the circuitry turns off a power supply to the heater, and perform one of immediately stopping the fuser pressure member or rotating the fuser pressure member and stopping the fuser pressure member after the rotation of the fuser pressure member, based on a state of the fuser pressure member.
    Type: Application
    Filed: June 7, 2023
    Publication date: December 14, 2023
    Inventors: Kazuki SHIMODATE, Keisuke SUGIYAMA, Yuichiro KATO, Shota YOSHIDA, Takaya OCHIAI, Naoki TAKAI, Yosuke SAITO
  • Patent number: 11825666
    Abstract: An imaging element according to an embodiment of the present disclosure includes: a first electrode including a plurality of electrodes; a second electrode opposed to the first electrode; a photoelectric conversion layer including an organic material provided between the first electrode and the second electrode; a first semiconductor layer provided between the first electrode and the photoelectric conversion layer, and including an n-type semiconductor material; and a second semiconductor layer provided between the second electrode and the photoelectric conversion layer, and including at least one of a carbon-containing compound having an electron affinity larger than a work function of the first electrode or an inorganic compound having a work function larger than the work function of the first electrode.
    Type: Grant
    Filed: July 30, 2019
    Date of Patent: November 21, 2023
    Assignees: Sony Corporation, Sony Semiconductor Solutions Corporation
    Inventors: Yosuke Saito, Masashi Bando, Yukio Kaneda, Yoshiyuki Hirano, Toshiki Moriwaki
  • Patent number: 11778841
    Abstract: To provide a photoelectric conversion element that can improve image quality. Provided is a photoelectric conversion element (100) including at least a first electrode (101), a work function control layer (108), a photoelectric conversion layer (102), an oxide semiconductor layer (104), and a second electrode (107) in this order, and further including a third electrode (105), in which the third electrode (105) is provided apart from the second electrode (107) and is provided facing the photoelectric conversion layer (102) via an insulating layer (106), and the work function control layer (108) contains a larger amount of oxygen than an amount of oxygen satisfying a stoichiometric composition.
    Type: Grant
    Filed: July 30, 2019
    Date of Patent: October 3, 2023
    Assignees: SONY CORPORATION, SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Shintarou Hirata, Masahiro Joei, Kenichi Murata, Masashi Bando, Yosuke Saito, Ryosuke Suzuki
  • Patent number: 11777333
    Abstract: A voltage adjuster has: a current path connecting one end on an input/output terminal side and the other end on a secondary battery side; a bypass path of the current path; a converter provided in the bypass path and capable of changing input electric power to a predetermined voltage corresponding to the secondary battery or a predetermined voltage corresponding to an external device in accordance with the charge or discharge of the second battery; and a path selector configured to select a path to be used out of the current path or the bypass path in accordance with the charge or discharge of the secondary battery.
    Type: Grant
    Filed: August 30, 2019
    Date of Patent: October 3, 2023
    Assignee: FDK CORPORATION
    Inventors: Yosuke Saito, Kiyotaka Kumamoto
  • Publication number: 20230276641
    Abstract: A photoelectric conversion element according to an embodiment of the present disclosure includes: a first electrode; a second electrode disposed to be opposed to the first electrode; and an organic photoelectric conversion layer provided between the first electrode and the second electrode and including a first organic semiconductor material, a second organic semiconductor material, and a third organic semiconductor material. The second organic semiconductor material has a Highest Occupied Molecular Orbital (HOMO) level being deeper than a Lowest Unoccupied Molecular Orbital (LUMO) level of the first organic semiconductor material and having a difference of 1.0 eV or more and 2.0 eV or less from the LUMO level of the first organic semiconductor material. The third organic semiconductor material has a crystalline property and has a linear absorption coefficient of 10000 cm?1 or less in a visible light region and an optical absorption edge wavelength of 550 nm or less.
    Type: Application
    Filed: July 16, 2021
    Publication date: August 31, 2023
    Inventors: AYUMI KAI, YOSUKE SAITO
  • Publication number: 20230245886
    Abstract: An imaging device including a photoelectric conversion layer including a semiconductor nanoparticle (100) including a particle body (101) and a monoatomic ligand (102). The particle body (101) includes a semiconductor core (103) including at least two or more elements selected from a Group I element, a Group III element, a Group V element, and a Group VI element. The monoatomic ligand (102) is bonded to a surface of the particle body (101).
    Type: Application
    Filed: June 14, 2021
    Publication date: August 3, 2023
    Inventors: SYUUITI TAKIZAWA, MICHINORI SHIOMI, YOSUKE SAITO, MAMORU TANABE, SHUNSUKE YAMASHITA
  • Patent number: 11693338
    Abstract: A cleaning device includes a housing, a cleaning blade, a toner conveyance path, a conveyance screw, and a first flicker. The conveyance screw includes a rotary shaft and a helical vane. The first flicker includes a first base portion and first contact pieces and uses the first contact pieces to press the conveyance screw in a first direction away from a bottom part of the toner conveyance path. The first base portion includes a secured portion and a blade opposed portion. A reinforcement member is stacked on the blade opposed portion.
    Type: Grant
    Filed: March 9, 2022
    Date of Patent: July 4, 2023
    Assignee: KYOCERA DOCUMENT SOLUTIONS INC.
    Inventors: Masaki Kadota, Yosuke Saito, Ai Takagami, Nobuyuki Hayashi
  • Publication number: 20230207598
    Abstract: A photoelectric converter includes: a first electrode; a second electrode; a first photoelectric conversion layer; a second photoelectric conversion layer; a first buffer layer; and a second buffer layer. The second electrode is disposed to be opposed to the first electrode. The first photoelectric conversion layer is provided between the first electrode and the second electrode. The first photoelectric conversion layer includes a first dye material and a first carrier transport material. The second photoelectric conversion layer is stacked on the second electrode side of the first photoelectric conversion layer between the first electrode and the second electrode. The second photoelectric conversion layer includes a second dye material and a second carrier transport material. The second dye material has a light absorption waveform different from a light absorption waveform of the first dye material. The first buffer layer has a first electrical conduction type.
    Type: Application
    Filed: May 28, 2021
    Publication date: June 29, 2023
    Inventors: Osamu ENOKI, Masato KANNO, Chiaki TAKAHASHI, Chika SUGIMURA, Yosuke SAITO