Patents by Inventor Keisuke Sasaki

Keisuke Sasaki 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: 20210198064
    Abstract: A medium transport portion includes a main body portion, a tray unit, and a support guide member. The main body portion includes a first manual feed path and a second manual feed path. The tray unit can be accommodated in the main body portion in a non-use state, and a medium is mounted thereon in a use state. The support guide member is movable in a Z-direction, and supports the tray unit such that a first position that the tray unit is positioned in the first manual feed path, a second position of being positioned in the second manual feed path, and a third position of being accommodated in the main body portion are switched.
    Type: Application
    Filed: December 22, 2020
    Publication date: July 1, 2021
    Inventors: Keisuke SASAKI, Shinji KANEMARU
  • Publication number: 20210187946
    Abstract: A medium feeding device includes a feeding roller that is provided in a medium feeding path through which a medium is fed and that feeds a medium downstream by rotating in the forward direction in response to power of a motor, a nip roller that is provided in the medium feeding path and that nips a medium in cooperation with the feeding roller and rotates, and a controller configured to control the motor. Based on an increase in a variation value varying in accordance with a drive load of the motor, the controller controls the motor and causes the feeding roller to start a medium feeding operation.
    Type: Application
    Filed: December 21, 2020
    Publication date: June 24, 2021
    Inventors: Keisuke SASAKI, Takayuki TANAKA, Hiroki SHINAGAWA
  • Publication number: 20210155019
    Abstract: A medium transport apparatus includes a body portion, an inversion unit, and an extension unit. The body portion has a second manual feed path for a sheet material. The inversion unit is configured to be mounted on and separated from the body portion, covers the second manual feed path when the attachment/detachment portion is mounted the body portion, and exposes a portion of the second manual feed path when the attachment/detachment portion is separated from the body portion. The extension unit is configured to be attached to and detached from the attachment/detachment portion. The extension unit extends, in a state in which the inversion unit is separated, the second manual feed path in a transport direction of the sheet material by being detached from the inversion unit and attached to the body portion.
    Type: Application
    Filed: November 25, 2020
    Publication date: May 27, 2021
    Inventors: Shinji KANEMARU, Daiki TAKAHASHI, Keisuke SASAKI
  • Publication number: 20210139260
    Abstract: A recording apparatus includes a recording head that performs recording; a feeding roller that feeds out a medium that has been set, a transport roller that transports the medium fed out by the feeding roller toward a facing position facing the recording head; an auxiliary roller that is provided between the feeding roller and the transport roller and that assists in the transport of the medium; a motor that generates a driving force; and a drive train that is configured to transmit the driving force of the motor to the auxiliary roller and the transport roller.
    Type: Application
    Filed: November 9, 2020
    Publication date: May 13, 2021
    Inventors: Keisuke SASAKI, Shinji KANEMARU, Katsumi YAMADA
  • Publication number: 20210138804
    Abstract: A recording apparatus including a recording head that performs recording, a feed roller that feeds out a set medium, a transport driving roller that transports the medium, which is fed out by the feed roller, towards an opposing position that opposes the recording head, and an auxiliary roller provided between the feed roller and the transport driving roller, the auxiliary roller assisting transportation of the medium. When the apparatus is seen from a side of the apparatus, the auxiliary roller overlaps the feed roller in a height direction of the apparatus.
    Type: Application
    Filed: November 9, 2020
    Publication date: May 13, 2021
    Inventors: Keisuke SASAKI, Shinji KANEMARU, Katsumi YAMADA
  • Publication number: 20210122172
    Abstract: A recording apparatus includes a medium mounting section on which a medium is to be mounted, a reverse-feeding path for reversing the medium that has been fed from the medium mounting section, a recording unit configured to perform recording onto the medium that has been reversed by the reverse-feeding path, and a reverse-discharging path for reversing the medium on which recording has been performed by the recording unit and for discharge the medium to a discharge section configured to discharge the medium, in which when viewed in a medium width direction intersecting a medium transport direction, a path section for reversing the medium in the reverse-feeding path and a path section for reversing the medium in the reverse-discharging path have portions overlapping each other in the vertical direction.
    Type: Application
    Filed: January 4, 2021
    Publication date: April 29, 2021
    Inventors: Kazuo OTSUKA, Kazuhisa TAKEDA, Satoshi KAWAMURA, Haruna TAKAHASHI, Keisuke SASAKI
  • Patent number: 10954876
    Abstract: A vehicle system includes: an internal combustion engine including an electronically-controlled throttle valve configured to change throttle opening degrees in a step-wise manner among at least three selectable opening degrees, and being mounted on a vehicle; and a control device configured to control the vehicle. The control device includes a required throttle opening degree setting component and a first throttle opening degree selecting component. The first throttle opening degree selecting component is configured to: select, at the time of acceleration of the vehicle, a first throttle opening degree that is greater than the required throttle opening degree and is the closest to the required throttle opening degree; and select, at the time of deceleration of the vehicle, a second throttle opening degree that is smaller than the required throttle opening degree and is the closest to the required throttle opening degree.
    Type: Grant
    Filed: April 1, 2019
    Date of Patent: March 23, 2021
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Keisuke Sasaki, Naoto Kato
  • Patent number: 10913292
    Abstract: A recording apparatus includes a medium mounting section on which a medium is to be mounted, a reverse-feeding path for reversing the medium that has been fed from the medium mounting section, a recording unit configured to perform recording onto the medium that has been reversed by the reverse-feeding path, and a reverse-discharging path for reversing the medium on which recording has been performed by the recording unit and for discharge the medium to a discharge section configured to discharge the medium, in which when viewed in a medium width direction intersecting a medium transport direction, a path section for reversing the medium in the reverse-feeding path and a path section for reversing the medium in the reverse-discharging path have portions overlapping each other in the vertical direction.
    Type: Grant
    Filed: April 2, 2019
    Date of Patent: February 9, 2021
    Assignee: Seiko Epson Corporation
    Inventors: Kazuo Otsuka, Kazuhisa Takeda, Satoshi Kawamura, Haruna Takahashi, Keisuke Sasaki
  • Publication number: 20210031533
    Abstract: A recording device includes a recording unit configured to eject a liquid onto a medium to record, a carriage including the recording unit and configured to move in an X direction corresponding to a medium width direction that intersects a Y direction corresponding to a medium transport direction, a liquid reservoir located in the carriage at a position above the recording unit, configured to contain a liquid, and having a fill port through which the liquid is supplied, a fill port unit located in the carriage at a position above the liquid reservoir and including a component for open/close operation of the fill port, and an operation unit through which the device is operated. The fill port unit and the operation unit partly overlap in a device front-rear direction that is parallel to the medium transport direction, when viewed in the X direction.
    Type: Application
    Filed: October 19, 2020
    Publication date: February 4, 2021
    Inventors: Katsumi YAMADA, Kazunori TAKABAYASHI, Morio IWATA, Keisuke SASAKI, Satoshi NAKATA
  • Patent number: 10876483
    Abstract: A control device for an internal combustion engine is configured, where a designated cam switching condition is met, to execute a boost pressure control processing and an air amount control processing. In the boost pressure control processing, the control device controls a boost pressure control device such that a boost pressure control parameter does not increase in synchronization with execution of a cam switching operation and decreases in accordance with an increase of a required engine torque after the execution of the cam switching operation. In the air amount control processing, the control device controls the opening degree of a throttle valve to its closed side in synchronization with the cam switching operation such that a difference of an in-cylinder charge air amount is not produced before and after the execution of the cam switching operation.
    Type: Grant
    Filed: November 26, 2018
    Date of Patent: December 29, 2020
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Shigehiro Sugihira, Noriyasu Adachi, Keisuke Sasaki, Takayoshi Kawai
  • Patent number: 10864760
    Abstract: A recording apparatus includes: a feeding unit that feeds a medium placed on a medium placing unit located on a back side (?Y) of the apparatus; a transport unit that transports the medium fed from the feeding unit; a recording unit that performs recording on the medium transported from the transport unit; a reverse path that transports the medium in a reverse direction after recording is performed by the recording unit to turn over the medium; and a feed driving motor that drives the feeding unit, wherein the feed driving motor is disposed above the reverse path.
    Type: Grant
    Filed: November 26, 2019
    Date of Patent: December 15, 2020
    Assignee: Seiko Epson Corporation
    Inventors: Tatsuya Shirane, Shinji Kanemaru, Kazuhisa Nakamura, Yoshikazu Nagai, Keisuke Sasaki, Haruki Miyasaka
  • Patent number: 10864757
    Abstract: In a printer, a medium transporting apparatus includes a straight path through which a medium on which recording has been performed with the recording head is output, an inversion path through which the recording medium on which recording has been performed with the recording head is output to an output destination different from an output destination of the straight path, a switching member provided downstream of the recording head in a medium transport direction and configured to switch between a first state in which the switching member constitutes a portion of the straight path and a second state in which the switching member constitutes a portion of the inversion path, a motor that drives a pair of transport rollers that transports the medium, and a switching mechanism that switches between a first state and a second state with motive power of the motor.
    Type: Grant
    Filed: June 7, 2019
    Date of Patent: December 15, 2020
    Assignee: Seiko Epson Corporation
    Inventors: Keisuke Sasaki, Takayuki Tanaka, Toshiki Shiroki
  • Patent number: 10850520
    Abstract: A recording device includes a recording unit configured to eject a liquid onto a medium to record, a carriage including the recording unit and configured to move in an X direction corresponding to a medium width direction that intersects a Y direction corresponding to a medium transport direction, a liquid reservoir located in the carriage at a position above the recording unit, configured to contain a liquid, and having a fill port through which the liquid is supplied, a fill port unit located in the carriage at a position above the liquid reservoir and including a component for open/close operation of the fill port, and an operation unit through which the device is operated. The fill port unit and the operation unit partly overlap in a device front-rear direction that is parallel to the medium transport direction, when viewed in the X direction.
    Type: Grant
    Filed: March 21, 2019
    Date of Patent: December 1, 2020
    Assignee: Seiko Epson Corporation
    Inventors: Katsumi Yamada, Kazunori Takabayashi, Morio Iwata, Keisuke Sasaki, Satoshi Nakata
  • Publication number: 20200369058
    Abstract: A recording apparatus includes: a recording section that performs a recording operation on a medium; a housing that contains the recording section; a storage section that stores the medium; and a reading unit disposed in an upper portion of the housing. The reading unit includes: a reading section that reads an original sheet; a guide member that guides the original sheet; and an aperture through which the original sheet that has been read by the reading section passes. By being rotated relative to the housing, the guide member is switched between a first position in which the aperture is exposed and the original sheet is to be guided and a second position in which the aperture is covered.
    Type: Application
    Filed: May 19, 2020
    Publication date: November 26, 2020
    Inventor: Keisuke SASAKI
  • Publication number: 20200369057
    Abstract: A recording apparatus includes: a housing; a recording section that performs a recording operation on a medium and is disposed inside the housing; a storage section that stores the medium; a transport route along which the medium is transported; a transport section that transports the medium; a reading section that reads an original sheet and is positioned higher than the recording section; a supply section that supplies the original sheet to the reading section; and a supply route through which the original sheet passes. Each of the supply and transport routes is formed at substantially right angles to a width of the housing. The transport route has a curved section in which the medium is turned over. The reading section is positioned behind the recording section in a depth direction from the front to rear surface of the housing.
    Type: Application
    Filed: May 18, 2020
    Publication date: November 26, 2020
    Inventors: Keisuke SASAKI, Haruki MIYASAKA
  • Publication number: 20200344370
    Abstract: A recording apparatus includes: an apparatus main body having a recording unit that performs recording onto a recording medium; and a document reading mechanism unit having a reading unit that reads a document and a document transport unit that transports a document to the reading unit, the document reading mechanism unit being provided in an upper part of the apparatus main body, wherein the apparatus main body includes: a feed roller that feeds the recording medium toward the front of the apparatus; and a frame having a frame surface intersecting the horizontal direction, the frame being located between the feed roller and the recording unit in an apparatus depth direction, and a part of the document reading mechanism unit overlaps the feed roller in the apparatus depth direction, and overlaps the frame in the vertical direction.
    Type: Application
    Filed: April 22, 2020
    Publication date: October 29, 2020
    Inventors: Shintaro MIYAMOTO, Keisuke SASAKI, Koichi KIKUCHI
  • Publication number: 20200344376
    Abstract: A recording apparatus includes a medium mounting section, a feed mechanism, a recording section, a housing, and a reading unit. The reading unit is provided on top of the housing and includes a document feed opening, a transport section, and a reading section. A back cover moves in tandem with a mounting tray, and moves to a closed position in which the back cover covers the opening when the mounting tray is closed and an open position in which the back cover does not prevent the mounting tray from rotating for stowage in the opening when the mounting tray is open. When in the closed position, the mounting tray covers the document feed opening of the reading unit.
    Type: Application
    Filed: April 23, 2020
    Publication date: October 29, 2020
    Inventors: Keisuke SASAKI, Toshio MIYAKE
  • Patent number: 10724917
    Abstract: A pressure detection device includes: a cylindrical body made of a conductor; a pressure receiver made of a conductor, the pressure receiver being mounted to one end side of the body and receiving pressure from the outside; a signal generator arranged inside the body, the signal generator being electrically connected to the pressure receiver and generating a signal corresponding to the pressure received by the pressure receiver; and a cover made of an insulator with a lower thermal conductivity than thermal conductivities of the body and the pressure receiver, the cover continuously covering an outer surface of the pressure receiver and a portion of an outer surface of the body, the portion being located at a side closer to the pressure receiver.
    Type: Grant
    Filed: September 21, 2017
    Date of Patent: July 28, 2020
    Assignees: CITIZEN FINEDEVICE CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA, CITIZEN WATCH CO., LTD.
    Inventors: Yusuke Satoh, Kazuo Takahashi, Aki Sudo, Keisuke Sasaki, Masakatsu Nagai
  • Patent number: 10710573
    Abstract: A vehicle includes an internal combustion engine, a catalyst provided in an exhaust passage of the internal combustion engine, and an electronic control unit. The electronic control unit is configured to control an engine torque such that a first torque change amount of the engine torque when the temperature of the catalyst belongs to a predetermined low temperature region to be lower than a second torque change amount of the engine torque when the temperature of the catalyst belongs to a high temperature region. The high temperature region is a region having a temperature higher than the low temperature region.
    Type: Grant
    Filed: March 6, 2019
    Date of Patent: July 14, 2020
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Keisuke Sasaki, Hiroyoshi Ueda
  • Patent number: 10710570
    Abstract: There is a control system for a hybrid vehicle including an internal combustion engine including a throttle valve on an intake air passage, and a generator coupled to an output shaft of the engine. The control system includes a controller. The controller is configured to detect shaft torque of the output shaft of the engine by the generator, calculate an actual value of a throttle flow rate based on the shaft torque, the flow rate being an amount of air that flows through the throttle valve, and learn flow rate characteristics indicating a relationship between a throttle opening being a degree of opening of the throttle valve and the throttle flow rate, based on an actual value of the throttle opening and the actual value of the throttle flow rate.
    Type: Grant
    Filed: March 20, 2019
    Date of Patent: July 14, 2020
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Naoto Kato, Tomoya Ota, Keisuke Sasaki