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).
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Publication number: 20220365462Abstract: 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: ApplicationFiled: July 22, 2022Publication date: November 17, 2022Inventors: Koji Wada, Tsuyoshi Ogawa, Hiroshi Takarada, Masaaki Sato
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Patent number: 11487242Abstract: 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: GrantFiled: July 19, 2021Date of Patent: November 1, 2022Assignee: Canon Kabushiki KaishaInventors: Daisuke Abe, Koji Wada
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Patent number: 11467514Abstract: 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. 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: GrantFiled: September 10, 2021Date of Patent: October 11, 2022Assignee: CANON KABUSHIKI KAISHAInventors: Masaaki Sato, Koji Wada, Tsuyoshi Ogawa, Koji Fujinaka, Takao Sameshima, Tomio Noguchi, Akitoshi Toyota, Susumu Nittani
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Patent number: 11422484Abstract: 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: GrantFiled: October 7, 2020Date of Patent: August 23, 2022Assignee: Canon Kabushiki KaishaInventors: Koji Wada, Tsuyoshi Ogawa, Hiroshi Takarada, Masaaki Sato
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Publication number: 20220197211Abstract: 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: ApplicationFiled: March 11, 2022Publication date: June 23, 2022Inventors: Masaaki Sato, Yukio Kubo, Hiroyuki Munetsugu, Koji Wada
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Publication number: 20220155708Abstract: 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 openingType: ApplicationFiled: February 2, 2022Publication date: May 19, 2022Inventors: Masaaki Sato, Koji Wada, Hiroshi Takarada, Tsuyoshi Ogawa
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Patent number: 11314199Abstract: 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: GrantFiled: January 6, 2020Date of Patent: April 26, 2022Assignee: Canon Kabushiki KaishaInventors: Masaaki Sato, Yukio Kubo, Hiroyuki Munetsugu, Koji Wada
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Patent number: 11307529Abstract: 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: GrantFiled: January 6, 2020Date of Patent: April 19, 2022Assignee: Canon Kabushiki KaishaInventors: Masaaki Sato, Yukio Kubo, Hiroyuki Munetsugu, Koji Wada
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Publication number: 20220074068Abstract: A film that contains Ni2O3H as a main component.Type: ApplicationFiled: September 7, 2021Publication date: March 10, 2022Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Koji Wada
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Publication number: 20220066355Abstract: 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: ApplicationFiled: November 10, 2021Publication date: March 3, 2022Inventors: Hiroshi Takarada, Masaaki Sato, Koji Wada, Tsuyoshi Ogawa
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Publication number: 20220064044Abstract: 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: ApplicationFiled: November 26, 2019Publication date: March 3, 2022Inventors: Koji WADA, Kimitake BANNO, Takashi YAMASAKI, Chaozhi ZHENG, Kevin AYEMPEROUMAL
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Publication number: 20220026846Abstract: 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: ApplicationFiled: July 19, 2021Publication date: January 27, 2022Inventors: Daisuke Abe, Koji Wada
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Publication number: 20210405574Abstract: 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: ApplicationFiled: September 13, 2021Publication date: December 30, 2021Inventors: Koji Wada, Tsuyoshi Ogawa, Hiroshi Takarada, Kenji Matsuzaka, Takao Sameshima, Tomio Noguchi, Yuichiro Inaba, Kenichi Iida, Masaaki Sato
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Publication number: 20210405552Abstract: 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: ApplicationFiled: September 10, 2021Publication date: December 30, 2021Inventors: Masaaki Sato, Koji Wada, Tsuyoshi Ogawa, Koji Fujinaka, Takao Sameshima, Tomio Noguchi, Akitoshi Toyota, Susumu Nittani
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Patent number: 11199794Abstract: 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: GrantFiled: September 21, 2020Date of Patent: December 14, 2021Assignee: Canon Kabushiki KaishaInventors: Hiroshi Takarada, Masaaki Sato, Koji Wada, Tsuyoshi Ogawa
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Patent number: 11131960Abstract: 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: GrantFiled: May 26, 2017Date of Patent: September 28, 2021Assignee: Canon Kabushiki KaishaInventors: Masaaki Sato, Yukio Kubo, Hiroyuki Munetsugu, Koji Wada
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Publication number: 20210263467Abstract: 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: ApplicationFiled: May 12, 2021Publication date: August 26, 2021Inventors: Masaaki Sato, Yukio Kubo, Hiroyuki Munetsugu, Koji Wada
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Patent number: 11101516Abstract: 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: GrantFiled: May 23, 2017Date of Patent: August 24, 2021Assignees: Shimano Inc., Murata Manufacturing Co., Ltd.Inventors: Makoto Shimoda, Yoshitaka Nose, Yuya Yoneda, Taihei Nishihara, Koji Wada
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Publication number: 20210109457Abstract: 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: ApplicationFiled: October 7, 2020Publication date: April 15, 2021Inventors: Koji Wada, Tsuyoshi Ogawa, Hiroshi Takarada, Masaaki Sato
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Publication number: 20210096483Abstract: 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: ApplicationFiled: September 21, 2020Publication date: April 1, 2021Inventors: Hiroshi Takarada, Masaaki Sato, Koji Wada, Tsuyoshi Ogawa