Patents by Inventor Keita Saito

Keita 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: 20210131433
    Abstract: A fixed scroll member includes a fixed base and a spiral fixed tooth member mounted to the fixed base. An orbiting scroll member is made of a resin material and includes an orbiting base arranged to face the fixed base; and a spiral orbiting tooth member. A housing is configured to house the fixed scroll member and the orbiting scroll member with the fixed scroll member being fixed thereto. An orbiting slide surface is located to be radially outside of the orbiting base of the orbiting scroll member, and a housing slide surface is formed on a portion of the housing. The portion is made of a metal material and is arranged to face the orbiting slide surface. The orbiting slide surface is in slidable contact with the housing slide surface. The portion of the housing has an outer wall exposed to atmospheric air.
    Type: Application
    Filed: December 29, 2020
    Publication date: May 6, 2021
    Applicant: DENSO CORPORATION
    Inventors: Shigeki IWANAMI, Keita SAITO, Harunobu NAKAYAMA
  • Patent number: 10900462
    Abstract: According to the embodiment of the present invention, a guide vane of a water turbine rotatable about an axis, including a guide vane for directing supplied flowing water toward the downstream side. The guide vane has a downstream end edge having an upper end portion and a lower end portion. The lower end portion of the downstream end edge is displaced in the direction orthogonal to an axis with respect to the upper end portion of the downstream end edge when viewed from the downstream side.
    Type: Grant
    Filed: April 20, 2018
    Date of Patent: January 26, 2021
    Assignees: Kabushiki Kaisha Toshiba, Toshiba Energy Systems & Solutions Corporation
    Inventors: Kazuyuki Nakamura, Koichi Kubo, Takahiro Nakashima, Takanori Nakamura, Takuya Tomioka, Keita Saito
  • Publication number: 20200406861
    Abstract: An on-vehicle sensor cleaning device includes a cleaning actuator that cleans a cleaning object surface an on-vehicle sensor, the cleaning object surface being cleaned by operating the actuator; and a controller that drives the cleaning actuator when fouling degree information of the cleaning object surface reaches a fouling threshold. The controller is configured to change the fouling threshold depending on a vehicle speed information.
    Type: Application
    Filed: June 23, 2020
    Publication date: December 31, 2020
    Applicant: DENSO CORPORATION
    Inventors: Eiji INA, Keita SAITO
  • Patent number: 10814838
    Abstract: An onboard optical sensor cleaning device ejects fluid against a sensing surface of an onboard optical sensor installed in a vehicle and removes foreign matter from the sensing surface. The onboard optical sensor cleaning device includes a cleaning liquid ejection port that ejects supplied cleaning liquid and an air ejection port that ejects supplied air. The cleaning liquid ejection port and the air ejection port are independent from each other, an air ejection axis of the air ejection port is set so that the ejected air mixes with the cleaning liquid ejected from the cleaning liquid ejection port and to be directed toward the sensing surface.
    Type: Grant
    Filed: February 7, 2017
    Date of Patent: October 27, 2020
    Assignee: DENSO CORPORATION
    Inventors: Eiji Ina, Keita Saito, Yuji Hayashi, Keita Kawai, Tomoyuki Kikuta
  • Publication number: 20200298283
    Abstract: An on-board sensor cleaning device is provided for an on-board sensor including a sensing surface. The on-board sensor cleaning device includes an ejection port that ejects fluid toward the sensing surface when the ejection port is disposed outside a sensing range of the on-board sensor. The on-board sensor cleaning device further includes a movable nozzle configured to move the ejection port so that a position of an ejection axis of the ejection port changes.
    Type: Application
    Filed: May 23, 2018
    Publication date: September 24, 2020
    Applicant: DENSO CORPORATION
    Inventors: Keita SAITO, Yukihiro MATSUSHITA
  • Publication number: 20200238305
    Abstract: An on-board sensor cleaning device includes a nozzle including one or more ejection ports that eject a fluid onto a sensing surface of an on-board sensor; wherein an ejection duration or an ejection frequency of the fluid, which is ejected onto the sensing surface, differs in accordance with a position on the sensing surface.
    Type: Application
    Filed: September 27, 2018
    Publication date: July 30, 2020
    Applicant: DENSO CORPORATION
    Inventor: Keita SAITO
  • Publication number: 20200194411
    Abstract: A photocoupler of an embodiment includes a packaging member, a first and a second MOSFET, a semiconductor light receiving element, a semiconductor light emitting element, a first wiring part, and a sealing resin layer. The input terminal includes a first and a second lead. The output terminal includes a third and a fourth lead. The first conductive region includes a signal input part and a bend part. The fourth conductive region includes a signal input part and a bend part. The semiconductor light receiving element is joined to the first and second MOSFETs astride a gap part. The semiconductor light emitting element is joined onto a light receiving region. The first wiring part connects the source electrode of the first MOSFET and the source electrode of the second MOSFET.
    Type: Application
    Filed: September 6, 2019
    Publication date: June 18, 2020
    Inventors: Keita Saito, Naoya Takai
  • Publication number: 20200180566
    Abstract: An in-vehicle sensor cleaning device ejects fluid toward a sensing surface of an in-vehicle sensor to clean the sensing surface. The in-vehicle sensor is arranged at a front side of a vehicle, a rear side of the vehicle, or one of lateral sides of the vehicle. The in-vehicle sensor cleaning device includes a first ejection port and a second ejection port configured to eject fluid toward the sensing surface of the in-vehicle sensor and a motor-driven pump that supplies fluid to the first ejection port and the second ejection port. The fluid ejected from the first ejection port is set to have a greater flow rate per unit time than the fluid ejected from the second ejection port.
    Type: Application
    Filed: November 17, 2017
    Publication date: June 11, 2020
    Applicant: DENSO CORPORATION
    Inventor: Keita SAITO
  • Publication number: 20200158098
    Abstract: An electric pump device includes a single motor, a pump that discharges fluid from a discharge port with driving force of the motor, and a flow passage switch that includes outlets configured to be in communication with the discharge port and switches an outlet of the outlets that is in communication with the discharge port with driving force of the motor.
    Type: Application
    Filed: March 27, 2018
    Publication date: May 21, 2020
    Applicant: DENSO CORPORATION
    Inventors: Yukihiro MATSUSHITA, Keita SAITO, Keita KAWAI
  • Patent number: 10440831
    Abstract: A conductive pattern formation method includes: a step of patterning a base member with an ink in which conductive particulates are distributed to form a pattern; a step of making a conductive developer act on the pattern; and a pressurization step of pressurizing the pattern.
    Type: Grant
    Filed: June 15, 2015
    Date of Patent: October 8, 2019
    Assignee: KONICA MINOLTA, INC.
    Inventors: Dai Suwama, Sayaka Morita, Keita Saito, Midori Shimomura
  • Patent number: 10252703
    Abstract: The on-vehicle optical sensor cleaning system includes a washer pump that feeds a cleaning liquid, an air pump, a nozzle member, and a controller. The air pump includes a discharge valve and discharges air through the discharge valve. The discharge valve opens when air is compressed in the air pump. The nozzle member includes an ejection port that ejects a gas-liquid mixture toward a sensing surface of an on-vehicle optical sensor to remove foreign matter from the sensing surface. The cleaning liquid from the washer pump and the air from the air pump are mixed in the gas-liquid mixture. The controller controls the washer pump and the air pump. The controller is configured so that the gas-liquid mixture is ejected by storing the cleaning liquid in the nozzle member to cover the ejection port and then feeding the air to the nozzle member.
    Type: Grant
    Filed: April 21, 2016
    Date of Patent: April 9, 2019
    Assignee: Denso Corporation
    Inventors: Eiji Ina, Tomoyuki Kikuta, Keita Kawai, Yukihiro Matsushita, Keita Saito, Yuji Hayashi
  • Publication number: 20190100171
    Abstract: An onboard optical sensor cleaning device ejects fluid against a sensing surface of an onboard optical sensor installed in a vehicle and removes foreign matter from the sensing surface. The onboard optical sensor cleaning device includes a cleaning liquid ejection port that ejects supplied cleaning liquid and an air ejection port that ejects supplied air. The cleaning liquid ejection port and the air ejection port are independent from each other, an air ejection axis of the air ejection port is set so that the ejected air mixes with the cleaning liquid ejected from the cleaning liquid ejection port and to be directed toward the sensing surface.
    Type: Application
    Filed: February 7, 2017
    Publication date: April 4, 2019
    Inventors: Eiji INA, Keita SAITO, Yuji HAYASHI, Keita KAWAI, Tomoyuki KIKUTA
  • Patent number: 10162291
    Abstract: An image formation apparatus includes: a fixing belt wound on a plurality of support rollers including a first pressure applying roller; a second pressure applying roller applying a pressure to the first pressure applying roller and thus forming a nip portion N; a tension modifying mechanism adjusting a tension; a contact area adjustment mechanism adjusting a downstream contact area, which is a contact area of the fixing belt in contact with the first pressure applying roller that is located downstream of the nip portion N; a sheet information obtainer; and a controller controlling an operation of the tension modifying mechanism and an operation of the contact area adjustment mechanism. When sheet information indicates embossed paper, the controller adjusts the operation of the tension modifying mechanism and the operation of the contact area adjustment mechanism to reduce a tension exerted to the fixing belt and also reduce the downstream contact area.
    Type: Grant
    Filed: March 8, 2017
    Date of Patent: December 25, 2018
    Assignee: KONICA MINOLTA, INC.
    Inventors: Keita Saito, Sayaka Morita, Noboru Oomoto
  • Patent number: 10149393
    Abstract: There is provided a burning method of burning, on a base member, a precursor in which conductive particles are dispersed in a dispersion medium, and the burning method includes: a first pressurization step of pressurizing the precursor heated to a burning temperature or above; and a second pressurization step of pressurizing, after the first pressurization step, the precursor with a pressurization force higher than a pressurization force in the first pressurization step.
    Type: Grant
    Filed: June 17, 2015
    Date of Patent: December 4, 2018
    Assignee: KONICA MINOLTA, INC.
    Inventors: Sayaka Morita, Keita Saito, Dai Suwama, Midori Shimomura
  • Publication number: 20180313320
    Abstract: According to the embodiment of the present invention, a guide vane of a water turbine rotatable about an axis, including a guide vane for directing supplied flowing water toward the downstream side. The guide vane has a downstream end edge having an upper end portion and a lower end portion. The lower end portion of the downstream end edge is displaced in the direction orthogonal to an axis with respect to the upper end portion of the downstream end edge when viewed from the downstream side.
    Type: Application
    Filed: April 20, 2018
    Publication date: November 1, 2018
    Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
    Inventors: Kazuyuki NAKAMURA, Koichi KUBO, Takahiro NAKASHIMA, Takanori NAKAMURA, Takuya TOMIOKA, Keita SAITO
  • Patent number: 10005663
    Abstract: There is provided a method of manufacturing a pattern substrate in which a pattern is formed on the surface of the substrate. The manufacturing method includes a step of preparing the substrate and a step of arranging a liquid-repellent or lyophilic material on the surface of the substrate so as to form the pattern on the surface of the substrate in which the surface of the substrate has a liquid-repellent region and a lyophilic region, the pattern is formed by one of the liquid-repellent region and the lyophilic region and the pattern is used to locate a component by the surface tension of a liquid member.
    Type: Grant
    Filed: June 4, 2014
    Date of Patent: June 26, 2018
    Assignee: KONICA MINOLTA, INC.
    Inventors: Naoki Yamamoto, Kanji Nakayama, Keita Saito, Dai Suwama
  • Patent number: 9955585
    Abstract: A conductive pattern production device includes: a patterning unit that forms a pattern of a composite ink on a base member; and a burning unit that burns the pattern by high-frequency heating. The composite ink is obtained by mixing a particle material that is a material having a relative permeability of 200 or above or a carbon micro-coil and a conductive ink that has, after the burning, a resistivity of 1 to 2000 ??·cm.
    Type: Grant
    Filed: July 16, 2015
    Date of Patent: April 24, 2018
    Assignee: KONICA MINOLTA, INC.
    Inventors: Keita Saito, Midori Shimomura, Dai Suwama, Sayaka Morita
  • Patent number: 9927743
    Abstract: A fixing device is equipped with a lower pressure roller, an upper pressure roller and a fixing belt which fix a toner image onto a sheet, by holding and conveying the sheet by a nip portion, and a control unit which controls rotation of the lower pressure roller. The control unit periodically changes a velocity of rotational drive of the lower pressure roller, at a frequency of which a period is shorter than a time needed for the sheet to pass through the nip portion, when the sheet passes through the nip portion.
    Type: Grant
    Filed: December 16, 2016
    Date of Patent: March 27, 2018
    Assignee: KONICA MINOLTA, INC.
    Inventors: Noboru Oomoto, Tadayasu Sekioka, Sayaka Morita, Keita Saito
  • Patent number: 9874517
    Abstract: A processing apparatus includes: a light emission unit configured to emit light to a surface of a particle dispersed liquid applied to a base material, the particle dispersed liquid having particles dispersed in a solvent; a reflected light amount monitoring unit configured to detect an amount of the light reflected, and monitor a temporal variation of the detected value; and a condition adjustment unit configured to adjust a condition for a particle securing process, the particle securing process being performed to remove the solvent and secure the particles onto the base material, wherein, when the temporal variation falls within a predetermined range after the value has reached an extreme value, securing of the particles is determined to have been completed.
    Type: Grant
    Filed: March 11, 2015
    Date of Patent: January 23, 2018
    Assignee: KONICA MINOLTA, INC.
    Inventors: Keita Saito, Midori Shimomura, Dai Suwama, Sayaka Morita
  • Patent number: 9857738
    Abstract: In a fixing device for fixing a toner image to a recording medium by heating and pressing the recording medium with transferred toner image between a heat fixing member and a pressure member, a fixing-member housing is disposed on an outer peripheral side of the heat fixing member, while a reflection member is attached to an inner side of the fixing-member housing opposed to the heat fixing member. Air blown by an air blower is circulated through space between the fixing-member housing and the heat fixing member.
    Type: Grant
    Filed: May 19, 2016
    Date of Patent: January 2, 2018
    Assignee: KONICA MINOLTA, INC.
    Inventors: Keita Saito, Noboru Oomoto, Shinichi Yabuki, Tadayasu Sekioka