Patents by Inventor Muneyuki Okeguchi

Muneyuki Okeguchi 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: 11518176
    Abstract: A maintenance jig includes a protector and an opening. The protector is configured to be attached to a head that has a nozzle surface including a nozzle row to discharge liquid or a head holder that holds the head. The protector is configured to protect the nozzle row. The opening is adjacent to the protector in a lateral direction of the nozzle row intersecting a longitudinal direction of the nozzle row. A distance between an end of the protector in the longitudinal direction of the nozzle row and the nozzle surface is larger than a distance between a portion of the protector other than the end of the protector in the longitudinal direction and the nozzle surface when the maintenance jig is attached to the head or the head holder.
    Type: Grant
    Filed: March 11, 2021
    Date of Patent: December 6, 2022
    Assignee: RICOH COMPANY, LTD.
    Inventor: Muneyuki Okeguchi
  • Patent number: 11427016
    Abstract: A liquid discharge apparatus includes a housing, a holder configured to hold a medium, a heater configured to heat the medium held by the holder, and a liquid discharge head configured to discharge a liquid onto the medium held by the holder. The holder has a flat holding surface on which the medium is placed flat, the holder is movable in the housing in a direction parallel to the flat holding surface and in a vertical direction, and the heater is disposed inside the housing within a movable region of the holder in which the holder is movable in the direction parallel to the flat holding surface in a view from the vertical direction.
    Type: Grant
    Filed: September 18, 2019
    Date of Patent: August 30, 2022
    Assignee: RICOH COMPANY, LTD.
    Inventors: Muneyuki Okeguchi, Taku Hatakeyama
  • Patent number: 11292258
    Abstract: A head clean includes a wiping device configured to wipe a nozzle surface of a head mounted on a carriage, and a holder configured to movably hold the wiping device. The holder includes a connector configured to detachably attach the holder to a guide rod configured to guide a reciprocal movement of the carriage.
    Type: Grant
    Filed: October 13, 2020
    Date of Patent: April 5, 2022
    Assignee: RICOH COMPANY, LTD.
    Inventors: Muneyuki Okeguchi, Kenta Kashiwagi
  • Publication number: 20220063278
    Abstract: A head cap configured to maintain a head configured to discharge a liquid from nozzles formed in a nozzle surface, the head cap includes a cap configured to cap the nozzle surface of the head, and a holder holding the cap, the holder being detachably attachable to one of a carriage mounting the head and a guide configured to guide the carriage.
    Type: Application
    Filed: July 20, 2021
    Publication date: March 3, 2022
    Applicant: Ricoh Company, Ltd.
    Inventor: Muneyuki OKEGUCHI
  • Publication number: 20210291526
    Abstract: A maintenance jig includes a protector and an opening. The protector is configured to be attached to a head that has a nozzle surface including a nozzle row to discharge liquid or a head holder that holds the head. The protector is configured to protect the nozzle row. The opening is adjacent to the protector in a lateral direction of the nozzle row intersecting a longitudinal direction of the nozzle row. A distance between an end of the protector in the longitudinal direction of the nozzle row and the nozzle surface is larger than a distance between a portion of the protector other than the end of the protector in the longitudinal direction and the nozzle surface when the maintenance jig is attached to the head or the head holder.
    Type: Application
    Filed: March 11, 2021
    Publication date: September 23, 2021
    Applicant: Ricoh Company, Ltd.
    Inventor: Muneyuki OKEGUCHI
  • Publication number: 20210229472
    Abstract: A printer includes a liquid discharge head configured to discharge a liquid to a print target, a holder configured to hold the print target, and a height detector configured to detect the print target on the holder at a first height and at a second height lower than the first height.
    Type: Application
    Filed: January 6, 2021
    Publication date: July 29, 2021
    Inventors: Tetsu MORINO, Muneyuki OKEGUCHI
  • Publication number: 20210162762
    Abstract: A head clean includes a wiping device configured to wipe a nozzle surface of a head mounted on a carriage, and a holder configured to movably hold the wiping device. The holder includes a connector configured to detachably attach the holder to a guide rod configured to guide a reciprocal movement of the carriage.
    Type: Application
    Filed: October 13, 2020
    Publication date: June 3, 2021
    Inventors: Muneyuki OKEGUCHI, Kenta KASHIWAGI
  • Publication number: 20200094582
    Abstract: A liquid discharge apparatus includes a housing, a holder configured to hold a medium, a heater configured to heat the medium held by the holder, and a liquid discharge head configured to discharge a liquid onto the medium held by the holder. The holder has a flat holding surface on which the medium is placed flat, the holder is movable in the housing in a direction parallel to the flat holding surface and in a vertical direction, and the heater is disposed inside the housing within a movable region of the holder in which the holder is movable in the direction parallel to the flat holding surface in a view from the vertical direction.
    Type: Application
    Filed: September 18, 2019
    Publication date: March 26, 2020
    Inventors: Muneyuki OKEGUCHI, Taku HATAKEYAMA
  • Patent number: 10427426
    Abstract: A hand-held recording apparatus includes a recording section, a housing, and an indicator. The recording section records an image on a recording material in moving in a scanning direction. The housing houses the recording section. The indicator is movable between an indication position at which the indicator opposes the recording material and indicates a recording area of the image of the recording section and a retracted position at which the indicator is retracted from the indication position.
    Type: Grant
    Filed: June 14, 2018
    Date of Patent: October 1, 2019
    Assignee: RICOH COMPANY, LTD.
    Inventors: Muneyuki Okeguchi, Kazuyoshi Matsumoto, Kunihiko Nishioka
  • Publication number: 20180361761
    Abstract: A hand-held recording apparatus includes a recording section, a housing, and an indicator. The recording section records an image on a recording material in moving in a scanning direction. The housing houses the recording section. The indicator is movable between an indication position at which the indicator opposes the recording material and indicates a recording area of the image of the recording section and a retracted position at which the indicator is retracted from the indication position.
    Type: Application
    Filed: June 14, 2018
    Publication date: December 20, 2018
    Inventors: Muneyuki Okeguchi, Kazuyoshi Matsumoto, Kunihiko Nishioka