Patents by Inventor Junichi Ushikubo

Junichi Ushikubo 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: 11112746
    Abstract: An image forming apparatus includes: a main body to which a detachable part is attachable, the main body having an opening; a cover that opens and closes the opening of the main body; and an insertion member that, when the detachable part is not attached to the main body, is in an inserted position where the insertion member is inserted between the main body and the cover and prevents closing of the cover, and when the detachable part is attached to the main body, is in a retreat position where the insertion member is not inserted between the main body and the cover and allows closing of the cover.
    Type: Grant
    Filed: July 17, 2020
    Date of Patent: September 7, 2021
    Assignee: Oki Electric Industry Co., Ltd.
    Inventor: Junichi Ushikubo
  • Publication number: 20210026289
    Abstract: An image forming apparatus includes: a main body to which a detachable part is attachable, the main body having an opening; a cover that opens and closes the opening of the main body; and an insertion member that, when the detachable part is not attached to the main body, is in an inserted position where the insertion member is inserted between the main body and the cover and prevents closing of the cover, and when the detachable part is attached to the main body, is in a retreat position where the insertion member is not inserted between the main body and the cover and allows closing of the cover.
    Type: Application
    Filed: July 17, 2020
    Publication date: January 28, 2021
    Applicant: Oki Data Corporation
    Inventor: Junichi USHIKUBO
  • Patent number: 10670988
    Abstract: A developer container includes: a body in which a plurality of developer chambers that store developer are arranged, each developer chamber having an opening; and a plurality of covers that seal the openings of the plurality of developer chambers, the plurality of covers being separately provided to correspond to the openings of the plurality of developer chambers.
    Type: Grant
    Filed: February 27, 2019
    Date of Patent: June 2, 2020
    Assignee: Oki Data Corporation
    Inventors: Masashi Fujii, Junichi Ushikubo
  • Publication number: 20190294078
    Abstract: A developer container includes: a body in which a plurality of developer chambers that store developer are arranged, each developer chamber having an opening; and a plurality of covers that seal the openings of the plurality of developer chambers, the plurality of covers being separately provided to correspond to the openings of the plurality of developer chambers.
    Type: Application
    Filed: February 27, 2019
    Publication date: September 26, 2019
    Inventors: Masashi FUJII, Junichi USHIKUBO
  • Patent number: 10386750
    Abstract: An image forming unit attachable and detachable with respect to an image forming apparatus includes a developer container in which a plurality of developer containing parts for containing respective developers are arranged on an arrangement line; and a detachable part that detachably supports the developer container wherein the developer container is mounted to the detachable part by sliding in mounting or detaching directions, wherein the detachable part has an engaging member that is rotatably supported, a downstream end part that is positioned at a downstream side of the developer container in the mounting direction.
    Type: Grant
    Filed: October 19, 2018
    Date of Patent: August 20, 2019
    Assignee: Oki Data Corporation
    Inventor: Junichi Ushikubo
  • Publication number: 20190129331
    Abstract: An image forming unit attachable and detachable with respect to an image forming apparatus includes a developer container in which a plurality of developer containing parts for containing respective developers are arranged on an arrangement line; and a detachable part that detachably supports the developer container wherein the developer container is mounted to the detachable part by sliding in mounting or detaching directions, wherein the detachable part has an engaging member that is rotatably supported, a downstream end part that is positioned at a downstream side of the developer container in the mounting direction.
    Type: Application
    Filed: October 19, 2018
    Publication date: May 2, 2019
    Inventor: Junichi USHIKUBO
  • Patent number: 10168638
    Abstract: A developer container holder for holding a developer container including a developer supply port and a shutter for opening and closing the developer supply port guides the developer container in a first direction when the developer container is attached to the developer container holder and in a second direction when the developer container is removed from the developer container holder, and includes: a holder that holds the developer container; a support that supports the holder slidably within a region in a direction in which the developer container is attached to and removed from the developer container holder; and an elastic member placed between the holder and the support to urge the holder in the first direction when the holder is on a first side of a position in the region and in the second direction when the holder is on a second side of the position in the region.
    Type: Grant
    Filed: October 18, 2017
    Date of Patent: January 1, 2019
    Assignee: Oki Data Corporation
    Inventor: Junichi Ushikubo
  • Patent number: 10061262
    Abstract: An image forming unit has a configuration in which, when an opening-closing member causes respective first openings to be opened by the engagement of the opening-closing member and an engaging section in association with an operation of attaching a developer container to an attachment unit, a first surface and a second surface are separated away from each other until arrival of the first openings at positions corresponding to respective second openings, and the first surface and the second surface are brought into proximity to each other upon the arrival of the first openings at the positions corresponding to the respective second openings.
    Type: Grant
    Filed: April 19, 2017
    Date of Patent: August 28, 2018
    Assignee: OKI DATA CORPORATION
    Inventor: Junichi Ushikubo
  • Publication number: 20180113416
    Abstract: A developer container holder for holding a developer container including a developer supply port and a shutter for opening and closing the developer supply port guides the developer container in a first direction when the developer container is attached to the developer container holder and in a second direction when the developer container is removed from the developer container holder, and includes: a holder that holds the developer container; a support that supports the holder slidably within a region in a direction in which the developer container is attached to and removed from the developer container holder; and an elastic member placed between the holder and the support to urge the holder in the first direction when the holder is on a first side of a position in the region and in the second direction when the holder is on a second side of the position in the region.
    Type: Application
    Filed: October 18, 2017
    Publication date: April 26, 2018
    Inventor: Junichi USHIKUBO
  • Publication number: 20170329277
    Abstract: An image forming unit has a configuration in which, when an opening-closing member causes respective first openings to be opened by the engagement of the opening-closing member and an engaging section in association with an operation of attaching a developer container to an attachment unit, a first surface and a second surface are separated away from each other until arrival of the first openings at positions corresponding to respective second openings, and the first surface and the second surface are brought into proximity to each other upon the arrival of the first openings at the positions corresponding to the respective second openings.
    Type: Application
    Filed: April 19, 2017
    Publication date: November 16, 2017
    Applicant: Oki Data Corporation
    Inventor: Junichi USHIKUBO
  • Patent number: 9188938
    Abstract: A developer collection container includes: a container body capable of containing collected developer; a developer conveyance member extending into the developer collection container and configured to convey the developer into the container body; and a guide provided in the container body and supporting the developer conveyance member from below the developer conveyance member.
    Type: Grant
    Filed: November 22, 2011
    Date of Patent: November 17, 2015
    Assignee: Oki Data Corporation
    Inventor: Junichi Ushikubo
  • Patent number: 9069320
    Abstract: A cleaning device for an image forming apparatus includes a cleaning member that removes residual developer that remains on a image carrier, a rotary conveying member that conveys the removed residual developer toward a predetermined direction, and a housing that contains the rotary conveying member. The housing includes a support member that supports the cleaning member; and a protective member that has an inner wall which opposes outer periphery of the rotary conveying member and partially covers the rotary conveying member. The protective member is made of a resin molding material to which a filler is not added.
    Type: Grant
    Filed: November 12, 2013
    Date of Patent: June 30, 2015
    Assignee: Oki Data Corporation
    Inventor: Junichi Ushikubo
  • Publication number: 20140133893
    Abstract: A cleaning device for an image forming apparatus includes a cleaning member that removes residual developer that remains on a image carrier, a rotary conveying member that conveys the removed residual developer toward a predetermined direction, and a housing that contains the rotary conveying member. The housing includes a support member that supports the cleaning member; and a protective member that has an inner wall which opposes outer periphery of the rotary conveying member and partially covers the rotary conveying member. The protective member is made of a resin molding material to which a filler is not added.
    Type: Application
    Filed: November 12, 2013
    Publication date: May 15, 2014
    Applicant: Oki Data Corporation
    Inventor: Junichi USHIKUBO
  • Patent number: 8655236
    Abstract: A developer storage body includes a housing in which a developer is stored, a shutter portion mounted to the housing and having a hole portion through which the developer is replenished into the housing, and a cap portion covering the hole portion. The cap portion includes a structural portion that constitutes an enclosure body enclosing a hollow portion. The structural portion is formed of a first material. The cap portion further includes a seal portion that covers the structural portion to seal the hollow portion. The seal portion is formed of a second material having a lower flexural modulus than the first material.
    Type: Grant
    Filed: October 28, 2011
    Date of Patent: February 18, 2014
    Assignee: Oki Data Corporation
    Inventor: Junichi Ushikubo
  • Patent number: D892921
    Type: Grant
    Filed: September 18, 2018
    Date of Patent: August 11, 2020
    Assignee: OKI DATA CORPORATION
    Inventors: Junichi Ushikubo, Tatsuhiko Shimomura, Masashi Fujii, Shun Hatanaka
  • Patent number: D898114
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: October 6, 2020
    Assignee: OKI DATA CORPORATION
    Inventors: Junichi Ushikubo, Tatsuhiko Shimomura, Masashi Fujii, Shun Hatanaka
  • Patent number: D898820
    Type: Grant
    Filed: September 25, 2018
    Date of Patent: October 13, 2020
    Assignee: OKI DATA CORPORATION
    Inventors: Junichi Ushikubo, Tatsuhiko Shimomura, Masashi Fujii, Shun Hatanaka
  • Patent number: D910742
    Type: Grant
    Filed: September 21, 2018
    Date of Patent: February 16, 2021
    Assignee: OKI DATA CORPORATION
    Inventors: Masashi Fujii, Tatsuhiko Shimomura, Junichi Ushikubo, Shun Hatanaka
  • Patent number: D910743
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: February 16, 2021
    Assignee: OKI DATA CORPORATION
    Inventors: Masashi Fujii, Tatsuhiko Shimomura, Junichi Ushikubo, Shun Hatanaka
  • Patent number: D916958
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: April 20, 2021
    Assignee: OKI DATA CORPORATION
    Inventors: Masashi Fujii, Tatsuhiko Shimomura, Junichi Ushikubo, Shun Hatanaka