Patents by Inventor Koji Wada

Koji Wada 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: 20220197211
    Abstract: A cartridge that is mountable to an apparatus main assembly of an image forming apparatus, the cartridge includes a developing roller; a frame supporting the developing roller; a movable part movably supported by the frame and movable to a first position and to a second position relative to the frame; and an elastic part provided between the frame and the movable part to urge the movable part. The movable part includes a first force receiving part that receives force from the apparatus main assembly, in a direction of moving from the first position to the second position, and a second force receiving part that receives force from the apparatus main assembly, in a direction of moving from the second position to the first position.
    Type: Application
    Filed: March 11, 2022
    Publication date: June 23, 2022
    Inventors: Masaaki Sato, Yukio Kubo, Hiroyuki Munetsugu, Koji Wada
  • Publication number: 20220155708
    Abstract: A toner container for use with an image forming apparatus is provided with a toner accommodating portion in which toner is accommodated; a base portion including a receiving opening for receiving the toner accommodated in the toner accommodating portion, a discharge opening for permitting discharge of the toner, received through the receiving opening, to an outside of the toner container, and a passage which is a passage extending from the receiving opening to the discharge opening and which is for permitting passing of the toner; and a shutter constituted so as to be rotatable about a rotational axis relative to the base between an open position where the discharge opening is exposed to the outside and a closed position where the shutter covers the discharge opening, wherein the passage extends in a direction in which the passage is inclined relative to the rotational axis so that the receiving opening is in a position where the receiving opening crosses the rotational axis and so that the discharge opening
    Type: Application
    Filed: February 2, 2022
    Publication date: May 19, 2022
    Inventors: Masaaki Sato, Koji Wada, Hiroshi Takarada, Tsuyoshi Ogawa
  • Patent number: 11314199
    Abstract: Movement and/or urging of a developer carrying memer is carried out with high precision. A cartridge that is mountable to an apparatus main assembly of an image forming apparatus, the cartridge includes a developing roller; a frame supporting the developing roller; a movable part movably supported by the frame and movable to a first position and to a second position relative to the frame; and an elastic part provided between the frame and the movable part to urge the movable part. The movable part includes a first force receiving part that receives force from the apparatus main assembly, in a direction of moving from the first position to the second position, and a second force receiving part that receives force from the apparatus main assembly, in a direction of moving from the second position to the first position.
    Type: Grant
    Filed: January 6, 2020
    Date of Patent: April 26, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masaaki Sato, Yukio Kubo, Hiroyuki Munetsugu, Koji Wada
  • Patent number: 11307529
    Abstract: Movement and/or urging of a developer carrying memer is carried out with high precision. A cartridge that is mountable to an apparatus main assembly of an image forming apparatus, the cartridge includes a developing roller; a frame supporting the developing roller; a movable part movably supported by the frame and movable to a first position and to a second position relative to the frame; and an elastic part provided between the frame and the movable part to urge the movable part. The movable part includes a first force receiving part that receives force from the apparatus main assembly, in a direction of moving from the first position to the second position, and a second force receiving part that receives force from the apparatus main assembly, in a direction of moving from the second position to the first position.
    Type: Grant
    Filed: January 6, 2020
    Date of Patent: April 19, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masaaki Sato, Yukio Kubo, Hiroyuki Munetsugu, Koji Wada
  • Publication number: 20220074068
    Abstract: A film that contains Ni2O3H as a main component.
    Type: Application
    Filed: September 7, 2021
    Publication date: March 10, 2022
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Koji Wada
  • Publication number: 20220064044
    Abstract: In a solid-liquid separation apparatus, which comprises multiple movable members and screws that extend and pass through the movable members without contacting the movable members and which dehydrates sludge while conveying same by means of the rotation of the screws, to apply a wringing action on the sludge and increase sludge dehydration efficiency. (Solution) A first movable unit 41 is configured by linking multiple movable members 4A and 4B as a unit with a linking rod 44, a second movable unit 41A is configured by linking multiple other movable members 4C and 4D as a unit with a linking rod 44A, and the movable members 4A and 4B of the first movable unit 41 and the movable members 4C and 4D of the second movable unit 41A are reciprocated with a phase difference.
    Type: Application
    Filed: November 26, 2019
    Publication date: March 3, 2022
    Inventors: Koji WADA, Kimitake BANNO, Takashi YAMASAKI, Chaozhi ZHENG, Kevin AYEMPEROUMAL
  • Publication number: 20220066355
    Abstract: A conveyance mechanism which includes a rotation shaft extending in a direction along a first direction connecting first and second discharge ports that is rotatable with a rotation axis extending in the first direction. Wherein, a first rotation conveyance unit is disposed on the rotation shaft, and is rotatable together with the rotation shaft, conveys developer toward the first discharge port, and a second rotation conveyance unit is disposed on the rotation shaft, and is rotatable together with the rotation shaft, conveys developer toward the second discharge port. The second rotation conveyance unit is configured to provide a larger amount of conveyance than the first rotation conveyance unit.
    Type: Application
    Filed: November 10, 2021
    Publication date: March 3, 2022
    Inventors: Hiroshi Takarada, Masaaki Sato, Koji Wada, Tsuyoshi Ogawa
  • Publication number: 20220026846
    Abstract: An image forming apparatus includes an apparatus body including a main contact, and a main guide, and a cartridge including a memory contact, a moving unit moving into and out of the apparatus body in a first direction and including a frame to which the cartridge is attached, first and second protrusions protruding in a second direction orthogonal to the first direction from the end surface of the frame, an intermediate contact being in electrical contact with the memory contact, an unit contact being in electrical contact with the main contact, and a line conductor, the first protrusion being supported by the main guide of the apparatus body, the second protrusion being located above the first protrusion. At least part of the line conductor connecting the intermediate contact and the unit contact is located in a recess formed by the first protrusion, the second protrusion, and the end surface.
    Type: Application
    Filed: July 19, 2021
    Publication date: January 27, 2022
    Inventors: Daisuke Abe, Koji Wada
  • Publication number: 20210405552
    Abstract: An apparatus includes an image bearing member, a developer container having a replenishment port, a developer bearing member, a detection portion configured to output remainder amount information corresponding to the amount of developer accommodated in the developer container, a notification portion capable of notifying a first state, and a second state, and a control portion, wherein the maximum amount of the developer that the developer container is capable of accommodating is larger than a value obtained by adding the amount of the developer accommodated in a replenishment container containing the developer for replenishment to the first amount, and wherein notification of the second state corresponds to notification of a case where the amount of the developer remaining in the developer container is larger than a case where the amount of the developer remaining in the developer container is the smallest.
    Type: Application
    Filed: September 10, 2021
    Publication date: December 30, 2021
    Inventors: Masaaki Sato, Koji Wada, Tsuyoshi Ogawa, Koji Fujinaka, Takao Sameshima, Tomio Noguchi, Akitoshi Toyota, Susumu Nittani
  • Publication number: 20210405574
    Abstract: An image forming apparatus includes a developer container to and from which a replenishment container is attachable and detachable, the developer container including an accommodating portion, and a supporting portion, wherein the developer container includes a projection portion that is provided at one end portion thereof in the rotation axis direction of the developer bearing member and projects toward the supporting portion more than a center portion of the developer container in a crossing direction crossing the rotation axis direction, the projection portion communicates with the accommodating portion and includes, at a distal end portion thereof, an attachment portion configured such that the replenishment container is attachable thereto in a state of being exposed to the outside of the apparatus, and a replenishment port for replenishing the accommodating portion with developer from the replenishment container is defined in the attachment portion.
    Type: Application
    Filed: September 13, 2021
    Publication date: December 30, 2021
    Inventors: Koji Wada, Tsuyoshi Ogawa, Hiroshi Takarada, Kenji Matsuzaka, Takao Sameshima, Tomio Noguchi, Yuichiro Inaba, Kenichi Iida, Masaaki Sato
  • Patent number: 11199794
    Abstract: A conveyance mechanism which includes a rotation shaft extending in a direction along a first direction connecting first and second discharge ports that is rotatable with a rotation axis extending in the first direction. Wherein, a first rotation conveyance unit is disposed on the rotation shaft, and is rotatable together with the rotation shaft, conveys developer toward the first discharge port, and a second rotation conveyance unit is disposed on the rotation shaft, and is rotatable together with the rotation shaft, conveys developer toward the second discharge port. The second rotation conveyance unit is configured to provide a larger amount of conveyance than the first rotation conveyance unit.
    Type: Grant
    Filed: September 21, 2020
    Date of Patent: December 14, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiroshi Takarada, Masaaki Sato, Koji Wada, Tsuyoshi Ogawa
  • Patent number: 11131960
    Abstract: Movement and/or urging of a developer carrying member is carried out with high precision. A cartridge that is mountable to an apparatus main assembly of an image forming apparatus, the cartridge includes a developing roller; a frame supporting the developing roller; a movable part movably supported by the frame and movable to a first position and to a second position relative to the frame; and an elastic part provided between the frame and the movable part to urge the movable part. The movable part includes a first force receiving part that receives force from the apparatus main assembly, in a direction of moving from the first position to the second position, and a second force receiving part that receives force from the apparatus main assembly, in a direction of moving from the second position to the first position.
    Type: Grant
    Filed: May 26, 2017
    Date of Patent: September 28, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masaaki Sato, Yukio Kubo, Hiroyuki Munetsugu, Koji Wada
  • Publication number: 20210263467
    Abstract: Movement and/or urging of a developer carrying member is carried out with high precision. A cartridge that is mountable to an apparatus main assembly of an image forming apparatus, the cartridge includes a developing roller; a frame supporting the developing roller; a movable part movably supported by the frame and movable to a first position and to a second position relative to the frame; and an elastic part provided between the frame and the movable part to urge the movable part. The movable part includes a first force receiving part that receives force from the apparatus main assembly, in a direction of moving from the first position to the second position, and a second force receiving part that receives force from the apparatus main assembly, in a direction of moving from the second position to the first position.
    Type: Application
    Filed: May 12, 2021
    Publication date: August 26, 2021
    Inventors: Masaaki Sato, Yukio Kubo, Hiroyuki Munetsugu, Koji Wada
  • Patent number: 11101516
    Abstract: A battery holder includes a first base, a first restriction portion and a holding portion. The first base is opposed to one end of a battery unit in a first direction in the state in which the battery unit is located at a holding position. The first restriction portion is configured to restrict relative movement of the battery unit and the first base in the first direction. The holding portion is movable to a first position, at which the battery unit contacts a held portion of the battery unit, and a second position, at which the holding portion is separated from the held portion.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: August 24, 2021
    Assignees: Shimano Inc., Murata Manufacturing Co., Ltd.
    Inventors: Makoto Shimoda, Yoshitaka Nose, Yuya Yoneda, Taihei Nishihara, Koji Wada
  • Publication number: 20210109457
    Abstract: A cartridge is configured to be attachable to a main body of an image forming apparatus and configured to receive toner supplied from a supply container. The cartridge includes a supply port configured to receive the toner supplied from the supply container, a shutter member configured to cover the supply port, and a locking member. The locking member is moved from a lock position to an unlock position to allow movement of the shutter member by using electric power supplied from the main body.
    Type: Application
    Filed: October 7, 2020
    Publication date: April 15, 2021
    Inventors: Koji Wada, Tsuyoshi Ogawa, Hiroshi Takarada, Masaaki Sato
  • Publication number: 20210096483
    Abstract: A conveyance mechanism which includes a rotation shaft extending in a direction along a first direction connecting first and second discharge ports that is rotatable with a rotation axis extending in the first direction. Wherein, a first rotation conveyance unit is disposed on the rotation shaft, and is rotatable together with the rotation shaft, conveys developer toward the first discharge port, and a second rotation conveyance unit is disposed on the rotation shaft, and is rotatable together with the rotation shaft, conveys developer toward the second discharge port. The second rotation conveyance unit is configured to provide a larger amount of conveyance than the first rotation conveyance unit.
    Type: Application
    Filed: September 21, 2020
    Publication date: April 1, 2021
    Inventors: Hiroshi Takarada, Masaaki Sato, Koji Wada, Tsuyoshi Ogawa
  • Publication number: 20200249623
    Abstract: Movement and/or urging of a developer carrying memer is carried out with high precision. A cartridge that is mountable to an apparatus main assembly of an image forming apparatus, the cartridge includes a developing roller; a frame supporting the developing roller; a movable part movably supported by the frame and movable to a first position and to a second position relative to the frame; and an elastic part provided between the frame and the movable part to urge the movable part. The movable part includes a first force receiving part that receives force from the apparatus main assembly, in a direction of moving from the first position to the second position, and a second force receiving part that receives force from the apparatus main assembly, in a direction of moving from the second position to the first position.
    Type: Application
    Filed: January 6, 2020
    Publication date: August 6, 2020
    Inventors: Masaaki Sato, Yukio Kubo, Hiroyuki Munetsugu, Koji Wada
  • Publication number: 20200142353
    Abstract: Movement and/or urging of a developer carrying memer is carried out with high precision. A cartridge that is mountable to an apparatus main assembly of an image forming apparatus, the cartridge includes a developing roller; a frame supporting the developing roller; a movable part movably supported by the frame and movable to a first position and to a second position relative to the frame; and an elastic part provided between the frame and the movable part to urge the movable part. The movable part includes a first force receiving part that receives force from the apparatus main assembly, in a direction of moving from the first position to the second position, and a second force receiving part that receives force from the apparatus main assembly, in a direction of moving from the second position to the first position.
    Type: Application
    Filed: January 6, 2020
    Publication date: May 7, 2020
    Inventors: Masaaki Sato, Yukio Kubo, Hiroyuki Munetsugu, Koji Wada
  • Patent number: D873337
    Type: Grant
    Filed: July 26, 2018
    Date of Patent: January 21, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masaaki Sato, Hiroyuki Munetsugu, Yosuke Kashiide, Koji Wada, Masanori Kudo, Goshi Ozaki, Kensuke Sato, Yukio Kubo
  • Patent number: D873338
    Type: Grant
    Filed: July 26, 2018
    Date of Patent: January 21, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masaaki Sato, Hiroyuki Munetsugu, Yosuke Kashiide, Koji Wada, Masanori Kudo, Goshi Ozaki, Kensuke Sato, Yukio Kubo