Patents by Inventor Osamu Anan

Osamu Anan 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: 11874625
    Abstract: A second unit includes a restricted portion that comes into contact with a restricting portion provided to a body of an apparatus, the restricted portion coming into contact with the restricting portion, in order to restrict the movement of a developer carrier in a direction to make contact with an image carrier, when a developing cartridge has not reached a predetermined attachment position, and not coming into contact with the restricting portion when the developing cartridge is in the predetermined attachment position.
    Type: Grant
    Filed: November 30, 2022
    Date of Patent: January 16, 2024
    Assignee: Canon Kabushiki Kaisha
    Inventors: Osamu Anan, Masato Tanabe, Tsukasa Abe, Kazutaka Sueshige
  • Publication number: 20230315008
    Abstract: A cartridge that can be inserted in an apparatus main body of an image forming apparatus by moving along an axial direction of an image bearing member includes the image bearing member, a frame configured to support the image bearing member, a storage member configured to store therein information on the cartridge, and include an electrical contact, and a first pressed section and a second pressed portion configured to be pressed by the apparatus main body. The electrical contact is disposed between the first pressed section and the second pressed section, and is configured to be in contact with the main body contact on a lower side in a state where the cartridge is attached to the apparatus main body.
    Type: Application
    Filed: June 8, 2023
    Publication date: October 5, 2023
    Inventors: Hiroki Shimizu, Osamu Anan, Kazuki Matsumoto
  • Patent number: 11709455
    Abstract: A cartridge that can be inserted in an apparatus main body of an image forming apparatus by moving along an axial direction of an image bearing member includes the image bearing member, a frame configured to support the image bearing member, a storage member configured to store therein information on the cartridge, and include an electrical contact, and a first pressed section and a second pressed portion configured to be pressed by the apparatus main body. The electrical contact is disposed between the first pressed section and the second pressed section, and is configured to be in contact with the main body contact on a lower side in a state where the cartridge is attached to the apparatus main body.
    Type: Grant
    Filed: April 1, 2022
    Date of Patent: July 25, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiroki Shimizu, Osamu Anan, Kazuki Matsumoto
  • Patent number: 11698600
    Abstract: Disclosed is a developing apparatus including: a developer bearing member that bears a developer; a developing frame body that rotatably supports the developer bearing member; a one-end side end member that supports one-end side in an axis direction of the developer bearing member of the developing frame body; and another-end side end member that supports the other-end side in the axis direction of the developer bearing member of the developing frame body. Each of the one-end side end member and the other-end side end member is independently movable with respect to the developing frame body.
    Type: Grant
    Filed: May 27, 2022
    Date of Patent: July 11, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masato Tanabe, Kazutaka Sueshige, Teruhiko Sasaki, Tsukasa Abe, Osamu Anan
  • Patent number: 11656572
    Abstract: A second unit includes a restricted portion that comes into contact with a restricting portion provided to a body of an apparatus, the restricted portion coming into contact with the restricting portion, in order to restrict the movement of a developer carrier in a direction to make contact with an image carrier, when a developing cartridge has not reached a predetermined attachment position, and not coming into contact with the restricting portion when the developing cartridge is in the predetermined attachment position.
    Type: Grant
    Filed: January 19, 2021
    Date of Patent: May 23, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventors: Osamu Anan, Masato Tanabe, Tsukasa Abe, Kazutaka Sueshige
  • Publication number: 20230089182
    Abstract: A second unit includes a restricted portion that comes into contact with a restricting portion provided to a body of an apparatus, the restricted portion coming into contact with the restricting portion, in order to restrict the movement of a developer carrier in a direction to make contact with an image carrier, when a developing cartridge has not reached a predetermined attachment position, and not coming into contact with the restricting portion when the developing cartridge is in the predetermined attachment position.
    Type: Application
    Filed: November 30, 2022
    Publication date: March 23, 2023
    Inventors: Osamu Anan, Masato Tanabe, Tsukasa Abe, Kazutaka Sueshige
  • Publication number: 20220283536
    Abstract: Disclosed is a developing apparatus including: a developer bearing member that bears a developer; a developing frame body that rotatably supports the developer bearing member; a one-end side end member that supports one-end side in an axis direction of the developer bearing member of the developing frame body; and another-end side end member that supports the other-end side in the axis direction of the developer bearing member of the developing frame body. Each of the one-end side end member and the other-end side end member is independently movable with respect to the developing frame body.
    Type: Application
    Filed: May 27, 2022
    Publication date: September 8, 2022
    Inventors: Masato Tanabe, Kazutaka Sueshige, Teruhiko Sasaki, Tsukasa Abe, Osamu Anan
  • Publication number: 20220221819
    Abstract: A cartridge that can be inserted in an apparatus main body of an image forming apparatus by moving along an axial direction of an image bearing member includes the image bearing member, a frame configured to support the image bearing member, a storage member configured to store therein information on the cartridge, and include an electrical contact, and a first pressed section and a second pressed portion configured to be pressed by the apparatus main body. The electrical contact is disposed between the first pressed section and the second pressed section, and is configured to be in contact with the main body contact on a lower side in a state where the cartridge is attached to the apparatus main body.
    Type: Application
    Filed: April 1, 2022
    Publication date: July 14, 2022
    Inventors: Hiroki Shimizu, Osamu Anan, Kazuki Matsumoto
  • Patent number: 11372365
    Abstract: A developing cartridge includes a developing frame body rotatably supporting a developing roller. A first end member is attached to the first end of the developing frame and a second end member is attached to the second end of the developing frame body. The first end member and the second end member are rotatable independently of each other and relative to the developing frame body about a rotational axis common to the first end member and the second end member, and with rotation of the developing frame body relative to the first end member and the second end member, the developing roller moves from a first position to a second position in a direction that crosses a position of an axis of the developing roller when the developing roller is in the first position.
    Type: Grant
    Filed: May 10, 2021
    Date of Patent: June 28, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masato Tanabe, Kazutaka Sueshige, Teruhiko Sasaki, Tsukasa Abe, Osamu Anan
  • Patent number: 11320781
    Abstract: A cartridge that can be inserted in an apparatus main body of an image forming apparatus by moving along an axial direction of an image bearing member includes the image bearing member, a frame configured to support the image bearing member, a storage member configured to store therein information on the cartridge, and include an electrical contact, and a first pressed section and a second pressed portion configured to be pressed by the apparatus main body. The electrical contact is disposed between the first pressed section and the second pressed section, and is configured to be in contact with the main body contact on a lower side in a state where the cartridge is attached to the apparatus main body.
    Type: Grant
    Filed: November 4, 2020
    Date of Patent: May 3, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiroki Shimizu, Osamu Anan, Kazuki Matsumoto
  • Patent number: 11249437
    Abstract: A developing cartridge includes a frame rotatably supporting a developing roller. The developing cartridge also includes a first supporting member attached to a first end of the frame, with the first supporting member being movable relative to the frame. The developing cartridge further includes a second supporting member attached to a second end of the frame, with the second supporting member being movable relative to the frame and the first supporting member.
    Type: Grant
    Filed: July 2, 2020
    Date of Patent: February 15, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masato Tanabe, Kazutaka Sueshige, Teruhiko Sasaki, Tsukasa Abe, Osamu Anan
  • Publication number: 20210263463
    Abstract: Disclosed is a developing apparatus including: a developer bearing member that bears a developer; a developing frame body that rotatably supports the developer bearing member; a one-end side end member that supports one-end side in an axis direction of the developer bearing member of the developing frame body; and another-end side end member that supports the other-end side in the axis direction of the developer bearing member of the developing frame body. Each of the one-end side end member and the other-end side end member is independently movable with respect to the developing frame body.
    Type: Application
    Filed: May 10, 2021
    Publication date: August 26, 2021
    Inventors: Masato Tanabe, Kazutaka Sueshige, Teruhiko Sasaki, Tsukasa Abe, Osamu Anan
  • Publication number: 20210141332
    Abstract: A second unit includes a restricted portion that comes into contact with a restricting portion provided to a body of an apparatus, the restricted portion coming into contact with the restricting portion, in order to restrict the movement of a developer carrier in a direction to make contact with an image carrier, when a developing cartridge has not reached a predetermined attachment position, and not coming into contact with the restricting portion when the developing cartridge is in the predetermined attachment position.
    Type: Application
    Filed: January 19, 2021
    Publication date: May 13, 2021
    Inventors: Osamu Anan, Masato Tanabe, Tsukasa Abe, Kazutaka Sueshige
  • Patent number: 10996589
    Abstract: A method for disassembling a developing device. The developing device includes a frame configured to store a developer, a developer bearing member, a regulation member configured to regulate the developer borne by the developer bearing member, and a fixing member configured to fix the regulation member to the frame. The fixing member has a holding portion configured to hold the regulation member. The developing device includes a cover portion attached to the regulation member and configured to cover at least a part of the holding portion. The disassembling method includes cover removing for removing at least a part of the cover portion to reduce the size of a region of the holding portion covered by the cover portion.
    Type: Grant
    Filed: February 14, 2020
    Date of Patent: May 4, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Teruhiko Sasaki, Osamu Anan, Yuuki Nakamura
  • Patent number: 10928769
    Abstract: A second unit includes a restricted portion that comes into contact with a restricting portion provided to a body of an apparatus, the restricted portion coming into contact with the restricting portion, in order to restrict the movement of a developer carrier in a direction to make contact with an image carrier, when a developing cartridge has not reached a predetermined attachment position, and not coming into contact with the restricting portion when the developing cartridge is in the predetermined attachment position.
    Type: Grant
    Filed: July 24, 2018
    Date of Patent: February 23, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Osamu Anan, Masato Tanabe, Tsukasa Abe, Kazutaka Sueshige
  • Publication number: 20210048777
    Abstract: A cartridge that can be inserted in an apparatus main body of an image forming apparatus by moving along an axial direction of an image bearing member includes the image bearing member, a frame configured to support the image bearing member, a storage member configured to store therein information on the cartridge, and include an electrical contact, and a first pressed section and a second pressed portion configured to be pressed by the apparatus main body. The electrical contact is disposed between the first pressed section and the second pressed section, and is configured to be in contact with the main body contact on a lower side in a state where the cartridge is attached to the apparatus main body.
    Type: Application
    Filed: November 4, 2020
    Publication date: February 18, 2021
    Inventors: Hiroki Shimizu, Osamu Anan, Kazuki Matsumoto
  • Patent number: 10890863
    Abstract: A remanufacturing method of a developing device is provided. The developing device includes a frame configured to store developer, a developer carrying member configured to carry the developer, a regulating member including a regulating portion configured to regulate the developer carried on the developer carrying member, and a storage member configured to store the developer, the storage member being mounted on the regulating member. A storage portion configured to store the developer and a first opening communicating with the storage portion are formed between the storage member and the regulating member, the first opening is opposed to an exposed portion of the developer carrying member, and the exposed portion is exposed to an outside of the frame. The remanufacturing method includes forming a communicating hole communicating with the storage portion, and removing the developer from the storage portion.
    Type: Grant
    Filed: February 3, 2020
    Date of Patent: January 12, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yuuki Nakamura, Teruhiko Sasaki, Osamu Anan
  • Patent number: 10859971
    Abstract: A cartridge that can be inserted in an apparatus main body of an image forming apparatus by moving along an axial direction of an image bearing member includes the image bearing member, a frame configured to support the image bearing member, a storage member configured to store therein information on the cartridge, and include an electrical contact, and a first pressed section and a second pressed portion configured to be pressed by the apparatus main body. The electrical contact is disposed between the first pressed section and the second pressed section, and is configured to be in contact with the main body contact on a lower side in a state where the cartridge is attached to the apparatus main body.
    Type: Grant
    Filed: July 15, 2020
    Date of Patent: December 8, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiroki Shimizu, Osamu Anan, Kazuki Matsumoto
  • Publication number: 20200348623
    Abstract: A cartridge that can be inserted in an apparatus main body of an image forming apparatus by moving along an axial direction of an image bearing member includes the image bearing member, a frame configured to support the image bearing member, a storage member configured to store therein information on the cartridge, and include an electrical contact, and a first pressed section and a second pressed portion configured to be pressed by the apparatus main body. The electrical contact is disposed between the first pressed section and the second pressed section, and is configured to be in contact with the main body contact on a lower side in a state where the cartridge is attached to the apparatus main body.
    Type: Application
    Filed: July 15, 2020
    Publication date: November 5, 2020
    Inventors: Hiroki Shimizu, Osamu Anan, Kazuki Matsumoto
  • Patent number: D907700
    Type: Grant
    Filed: July 9, 2019
    Date of Patent: January 12, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Osamu Anan, Hiroki Shimizu, Kazuki Matsumoto