Patents by Inventor Tomonori Mori
Tomonori Mori 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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Patent number: 11543769Abstract: A process cartridge comprises a photosensitive drum and a developing roller. A coupling member is provided adjacent to one axial end of the developing roller. The coupling member includes a driven portion, and an intermediary portion configured and positioned to engage with the driven portion. The intermediary portion is also configured to be movable relative to the driven portion in a direction crossing the axis of the developing roller while maintaining engagement with the driven portion. The coupling member further includes a driving portion configured and positioned to receive a driving force for rotating the developing roller. The driving portion is also configured to engage with the intermediary portion, and to be movable relative to the intermediary portion in a direction crossing the axis of the developing roller while maintaining engagement with the intermediary portion.Type: GrantFiled: July 8, 2021Date of Patent: January 3, 2023Assignee: Canon Kabushiki KaishaInventors: Kazuo Chadani, Tomonori Mori, Koji Hashimoto
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Publication number: 20220382186Abstract: A developing unit, which is attachable to and detachable from a photosensitive member unit, includes: a developing roller; a housing in which a holding space that holds toner is formed; and a pressing receiving portion that receives pressing force from a pressing member. The housing includes a first bottom portion that projects toward an outer side of the holding space, and a second bottom portion that projects toward the outer side of the holding space, in a state in use. When viewed in a direction of a rotation axis of the developing roller, at least part of the pressing receiving portion is located in a space surrounded by the first bottom portion, the second bottom portion, and a tangent line tangent to both an outer wall of the first bottom portion and an outer wall of the second bottom portion.Type: ApplicationFiled: August 9, 2022Publication date: December 1, 2022Inventors: Noriyuki Komatsu, Tomonori Mori, Teruhiko Sasaki, Makoto Hayashida, Naoki Maeda, Satoru Harada
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Patent number: 11500305Abstract: A process cartridge includes a photosensitive member and a developing unit. The developing unit includes a frame to store toner, a developing roller to carry the toner, a side seal to contact an end portion of the developing roller and prevent the toner from leaking out, and a sealing sheet to contact a center portion of the developing roller and prevent the toner from leaking out. A toner receiving portion of the frame includes an opening facing the developing roller and is disposed on an upstream side of the side seal and a downstream side of a contact portion where the developing roller contacts the photosensitive member, and moreover is disposed at a position overlapping with the side seal. The developing unit includes a blocking member to block at least a part of the opening, and the blocking member is disposed between the opening and the developing roller.Type: GrantFiled: November 19, 2021Date of Patent: November 15, 2022Assignee: CANON KABUSHIKI KAISHAInventors: Noriyuki Komatsu, Tomonori Mori, Teruhiko Sasaki, Makoto Hayashida, Masakazu Tatsumi
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Patent number: 11480909Abstract: A drum unit includes a photosensitive drum in a coupling member. The coupling member includes an engageable member having a driving force receiving portion which is capable of entering a recess of a driving shaft to receive a driving force for rotating photosensitive drum. The coupling member includes a holding member configured to hold said engageable member so as to be slidable at least in a radial direction of said drum unit.Type: GrantFiled: July 12, 2021Date of Patent: October 25, 2022Assignee: Canon Kabushiki KaishaInventors: Tomonori Mori, Tetsuo Uesugi
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Patent number: 11454924Abstract: A developing unit, which is attachable to and detachable from a photosensitive member unit, includes: a developing roller; a housing in which a holding space that holds toner is formed; and a pressing receiving portion that receives pressing force from a pressing member. The housing includes a first bottom portion that projects toward an outer side of the holding space, and a second bottom portion that projects toward the outer side of the holding space, in a state in use. When viewed in a direction of a rotation axis of the developing roller, at least part of the pressing receiving portion is located in a space surrounded by the first bottom portion, the second bottom portion, and a tangent line tangent to both an outer wall of the first bottom portion and an outer wall of the second bottom portion.Type: GrantFiled: May 11, 2021Date of Patent: September 27, 2022Assignee: CANON KABUSHIKI KAISHAInventors: Noriyuki Komatsu, Tomonori Mori, Teruhiko Sasaki, Makoto Hayashida, Naoki Maeda, Satoru Harada
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Patent number: 11409227Abstract: A drum unit detachably mountable to a main assembly of an electrophotographic image forming apparatus includes a photosensitive drum and a coupling member provided on the photosensitive drum. The coupling member includes a driving force receiving portion and a supporting portion movably supporting the driving force receiving portion. The supporting portion includes a first extended portion and a second extended portion which extend at least in an axial direction of the photosensitive drum.Type: GrantFiled: June 2, 2021Date of Patent: August 9, 2022Assignee: Canon Kabushiki KaishaInventors: Tetsuo Uesugi, Masato Tanabe, Tomonori Mori, Daisuke Abe, Tadayuki Tsuda, Hideshi Kawaguchi
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Publication number: 20220236690Abstract: A process cartridge includes a first unit including an image bearing member configured to carry an electrostatic latent image, and a second unit including a developer bearing member configured to develop the electrostatic latent image carried on the image bearing member into a toner image, the second unit being capable of being mounted on the first unit in a mounting direction. The first unit includes a moving member that moves the second unit mounted on the first unit at a mounting position to a detachment position. The second unit includes a storage unit that stores information about the second unit. The moving member is disposed on a first side of the process cartridge in a longitudinal direction of the image bearing member. An electrode of the storage unit is disposed on a second side of the process cartridge in the longitudinal direction.Type: ApplicationFiled: April 11, 2022Publication date: July 28, 2022Inventors: Noriyuki Komatsu, Masaki Ojima, Tomonori Mori, Daisuke Abe, Tadayuki Tsuda
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Publication number: 20220214641Abstract: A foreign substance collection apparatus includes: a frame body; a photosensitive drum; a cleaning roller which collects foreign substances from a surface of the photosensitive drum; a collecting roller which further collects the foreign substances having been collected by the cleaning roller from the cleaning roller; and a scraping member which scrapes off the foreign substances from the collecting roller. A foreign substance collecting portion included in the frame body has, in a posture during use: a first inner bottom surface which is positioned below the scraping member in a gravity direction; an outer bottom surface which is positioned further below the first inner bottom surface; and a connecting surface which intersects the first inner bottom surface and the outer bottom surface and which connects the first inner bottom surface and the outer bottom surface with each other.Type: ApplicationFiled: March 24, 2022Publication date: July 7, 2022Inventors: Noriyuki Komatsu, Tomonori Mori, Teruhiko Sasaki, Makoto Hayashida, Shunsuke Uratani, Yuuki Nakamura, Satoru Motohashi
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Patent number: 11378914Abstract: A process cartridge mountable in and dismountable from an image forming apparatus includes a frame, a storing portion provided on a mounting surface of the frame and configured to store information on the process cartridge, a projection projecting outwardly of the mounting surface in a direction normal to the mounting surface, and an electrical contact portion mounted on the projection and electrically connected to the storing portion.Type: GrantFiled: February 26, 2021Date of Patent: July 5, 2022Assignee: Canon Kabushiki KaishaInventors: Tsuyoshi Ogawa, Tomonori Mori, Daisuke Abe, Noriyuki Komatsu, Hideshi Kawaguchi, Tadayuki Tsuda
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Publication number: 20220207091Abstract: A storage unit (14) stores text information displayed on a terminal screen during the processing of tasks in the past. An acquisition unit (15a) acquires text information displayed on the terminal screen. An extraction unit (15b) compares the acquired text information and the text information stored in the storage unit (14) and extracts different items of text information among tasks as keywords for searching for business documents.Type: ApplicationFiled: May 15, 2019Publication date: June 30, 2022Inventors: Yuki Urabe, Shiro Ogasawara, Tomonori Mori
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Patent number: 11327432Abstract: A process cartridge includes a first unit including an image bearing member configured to carry an electrostatic latent image, and a second unit including a developer bearing member configured to develop the electrostatic latent image carried on the image bearing member into a toner image, the second unit being capable of being mounted on the first unit in a mounting direction. The first unit includes a moving member that moves the second unit mounted on the first unit at a mounting position to a detachment position. The second unit includes a storage unit that stores information about the second unit. The moving member is disposed on a first side of the process cartridge in a longitudinal direction of the image bearing member. An electrode of the storage unit is disposed on a second side of the process cartridge in the longitudinal direction.Type: GrantFiled: March 30, 2021Date of Patent: May 10, 2022Assignee: Canon Kabushiki KaishaInventors: Noriyuki Komatsu, Masaki Ojima, Tomonori Mori, Daisuke Abe, Tadayuki Tsuda
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Patent number: 11314193Abstract: A foreign substance collection apparatus includes: a frame body; a photosensitive drum; a cleaning roller which collects foreign substances from a surface of the photosensitive drum; a collecting roller which further collects the foreign substances having been collected by the cleaning roller from the cleaning roller; and a scraping member which scrapes off the foreign substances from the collecting roller. A foreign substance collecting portion included in the frame body has, in a posture during use: a first inner bottom surface which is positioned below the scraping member in a gravity direction; an outer bottom surface which is positioned further below the first inner bottom surface; and a connecting surface which intersects the first inner bottom surface and the outer bottom surface and which connects the first inner bottom surface and the outer bottom surface with each other.Type: GrantFiled: December 21, 2020Date of Patent: April 26, 2022Assignee: CANON KABUSHIKI KAISHAInventors: Noriyuki Komatsu, Tomonori Mori, Teruhiko Sasaki, Makoto Hayashida, Shunsuke Uratani, Yuuki Nakamura, Satoru Motohashi
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Publication number: 20220107604Abstract: A cartridge unit includes: a first unit which includes a first supporting portion and a second supporting portion; and a second unit which includes a first supported portion, a second supported portion, and a storage member, the storage member including a memory contact, and a contact arrangement surface on which the memory contact is disposed. The second unit rotates from a first position to a second position in a state in which the first supported portion is supported by the first supporting portion and the second supported portion is supported by the second supporting portion to be positioned with respect to the first unit. A normal direction of the contact arrangement surface faces toward a direction in which the memory contact is exposed. The normal direction faces toward a direction opposite to a direction in which the second unit is directed from the first position to the second position.Type: ApplicationFiled: December 17, 2021Publication date: April 7, 2022Inventors: Noriyuki KOMATSU, Teruhiko SASAKI, Tomonori MORI, Makoto HAYASHIDA
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Publication number: 20220075288Abstract: A process cartridge includes a photosensitive member and a developing unit. The developing unit includes a frame to store toner, a developing roller to carry the toner, a side seal to contact an end portion of the developing roller and prevent the toner from leaking out, and a sealing sheet to contact a center portion of the developing roller and prevent the toner from leaking out. A toner receiving portion of the frame includes an opening facing the developing roller and is disposed on an upstream side of the side seal and a downstream side of a contact portion where the developing roller contacts the photosensitive member, and moreover is disposed at a position overlapping with the side seal. The developing unit includes a blocking member to block at least a part of the opening, and the blocking member is disposed between the opening and the developing roller.Type: ApplicationFiled: November 19, 2021Publication date: March 10, 2022Inventors: Noriyuki Komatsu, Tomonori Mori, Teruhiko Sasaki, Makoto Hayashida, Masakazu Tatsumi
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Publication number: 20220075313Abstract: A cartridge includes a drum unit and a development unit. The drum unit includes a photosensitive drum, a frame, a transfer roller, and a cleaning member. The development unit includes a development roller, and a memory. The cleaning member is configured to come into contact with the photosensitive drum at a region between a development nip portion and a transfer nip portion in a circumferential direction of the photosensitive drum and at an end portion of the photosensitive drum in a direction of the rotational axis. The frame has an exposing hole through which the memory is exposed from the frame, and a recessed portion that is adjacent to the exposing hole in the direction of the rotational axis, and stores foreign matters removed from the photosensitive drum by the cleaning member.Type: ApplicationFiled: November 19, 2021Publication date: March 10, 2022Inventors: Noriyuki Komatsu, Masaki Ojima, Daisuke Abe, Tomonori Mori, Tadayuki Tsuda, Tetsuya Numata, Naoya Asanuma
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Patent number: 11237519Abstract: A cartridge unit includes: a first unit which includes a first supporting portion and a second supporting portion; and a second unit which includes a first supported portion, a second supported portion, and a storage member, the storage member including a memory contact, and a contact arrangement surface on which the memory contact is disposed. The second unit rotates from a first position to a second position in a state in which the first supported portion is supported by the first supporting portion and the second supported portion is supported by the second supporting portion to be positioned with respect to the first unit. A normal direction of the contact arrangement surface faces toward a direction in which the memory contact is exposed. The normal direction faces toward a direction opposite to a direction in which the second unit is directed from the first position to the second position.Type: GrantFiled: December 18, 2020Date of Patent: February 1, 2022Assignee: CANON KABUSHIKI KAISHAInventors: Noriyuki Komatsu, Teruhiko Sasaki, Tomonori Mori, Makoto Hayashida
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Patent number: 11209749Abstract: A process cartridge includes a photosensitive member and a developing unit. The developing unit includes a frame to store toner, a developing roller to carry the toner, a side seal to contact an end portion of the developing roller and prevent the toner from leaking out, and a sealing sheet to contact a center portion of the developing roller and prevent the toner from leaking out. A toner receiving portion of the frame includes an opening facing the developing roller and is disposed on an upstream side of the side seal and a downstream side of a contact portion where the developing roller contacts the photosensitive member, and moreover is disposed at a position overlapping with the side seal. The developing unit includes a blocking member to block at least a part of the opening, and the blocking member is disposed between the opening and the developing roller.Type: GrantFiled: December 21, 2020Date of Patent: December 28, 2021Assignee: CANON KABUSHIKI KAISHAInventors: Noriyuki Komatsu, Tomonori Mori, Teruhiko Sasaki, Makoto Hayashida, Masakazu Tatsumi
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Patent number: 11209773Abstract: A cartridge includes a drum unit and a development unit. The drum unit includes a photosensitive drum, a frame, a transfer roller, and a cleaning member. The development unit includes a development roller, and a memory. The cleaning member is configured to come into contact with the photosensitive drum at a region between a development nip portion and a transfer nip portion in a circumferential direction of the photosensitive drum and at an end portion of the photosensitive drum in a direction of the rotational axis. The frame has an exposing hole through which the memory is exposed from the frame, and a recessed portion that is adjacent to the exposing hole in the direction of the rotational axis, and stores foreign matters removed from the photosensitive drum by the cleaning member.Type: GrantFiled: April 20, 2020Date of Patent: December 28, 2021Assignee: CANON KABUSHIKI KAISHAInventors: Noriyuki Komatsu, Masaki Ojima, Daisuke Abe, Tomonori Mori, Tadayuki Tsuda, Tetsuya Numata, Naoya Asanuma
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Publication number: 20210341870Abstract: A drum unit includes a photosensitive drum in a coupling member. The coupling member includes an engageable member having a driving force receiving portion which is capable of entering a recess of a driving shaft to receive a driving force for rotating photosensitive drum. The coupling member includes a holding member configured to hold said engageable member so as to be slidable at least in a radial direction of said drum unit.Type: ApplicationFiled: July 12, 2021Publication date: November 4, 2021Inventors: Tomonori Mori, Tetsuo Uesugi
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Publication number: 20210333750Abstract: A process cartridge comprises a photosensitive drum and a developing roller. A coupling member is provided adjacent to one axial end of the developing roller. The coupling member includes a driven portion, and an intermediary portion configured and positioned to engage with the driven portion. The intermediary portion is also configured to be movable relative to the driven portion in a direction crossing the axis of the developing roller while maintaining engagement with the driven portion. The coupling member further includes a driving portion configured and positioned to receive a driving force for rotating the developing roller. The driving portion is also configured to engage with the intermediary portion, and to be movable relative to the intermediary portion in a direction crossing the axis of the developing roller while maintaining engagement with the intermediary portion.Type: ApplicationFiled: July 8, 2021Publication date: October 28, 2021Inventors: Kazuo Chadani, Tomonori Mori, Koji Hashimoto