Patents by Inventor Kohei Koguchi
Kohei Koguchi 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: 20230019464Abstract: An image forming apparatus includes an attachment portion to which to attach a supply container for supplying a developer, a housing including a discharge portion for discharging a sheet in a discharging direction, a discharge tray including a first stack portion for stacking the sheet thereon, in which the first stack portion is configured to be movable between a closed position and an opened position, a top portion fixed to the housing, and a display portion and an operation portion arranged on the top portion. The top portion includes a first region, a first extension portion, and a second extension portion. As viewed along a vertical direction, the first extension portion and the second extension portion extend from the first region in the discharging direction, and at least a part of the first stack portion is located between the first extension portion and the second extension portion.Type: ApplicationFiled: September 21, 2022Publication date: January 19, 2023Inventors: Kohei Koguchi, Isao Koishi, Katsuhiko Oba
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Publication number: 20220382200Abstract: An image forming apparatus includes an image bearing member, a developer bearing member, a discharge unit, a stacking tray including a stacking surface on which the recording material is stacked, a replenishment port, a cover capable of moving between a closed position where the cover covers the replenishment port and constitutes at least part of the stacking surface and an open position where the cover exposes the replenishment port, and an information display unit for displaying information about a procedure for replenishing the developing container with the developer from the replenishment container.Type: ApplicationFiled: August 12, 2022Publication date: December 1, 2022Inventors: Katsuhiko Oba, Kohei Koguchi, Isao Koishi
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Publication number: 20220373962Abstract: An image forming apparatus configured to form an image on a sheet, the image forming apparatus includes an apparatus body, and a detachable unit. The detachable unit includes a first positioned portion and a second positioned portion. The apparatus body includes a frame member having a first positioning portion and a second positioning portion which respectively engage with the first positioned and second positioned portion, so that the detachable unit is positioned with respect to frame member in the attaching direction and the first direction. The second positioning portion is arranged closer to a center portion of the detachable unit in the second direction than the first positioning portion.Type: ApplicationFiled: May 17, 2022Publication date: November 24, 2022Inventors: Kei Hayashida, Kohei Koguchi
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Patent number: 11493875Abstract: An image forming apparatus includes a first metal plate provided with a through hole; a second metal plate provided opposed to the first plate; a third metal plate provided between the first plate and the second plate; and a fixing member fixing the first plate and the third metal plate to each other. The fixing member has a first surface and a second surface extending in a direction crossing the first surface. The third metal plate extends outward in a direction in which the first plate and the second plate opposes to each other, and the third metal plate is provided with a first projection penetrating the through hole, and wherein the first projection is fixed on the first surface. The first plate is fixed on the second surface of the fixing member.Type: GrantFiled: December 3, 2019Date of Patent: November 8, 2022Assignee: Canon Kabushiki KaishaInventors: Yoichiro Iizuka, Kohei Koguchi, Masatoshi Yamashita
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Patent number: 11474452Abstract: An image forming apparatus includes an attachment portion to which to attach a supply container for supplying a developer, a housing including a discharge portion for discharging a sheet in a discharging direction, a discharge tray including a first stack portion for stacking the sheet thereon, in which the first stack portion is configured to be movable between a closed position and an opened position, a top portion fixed to the housing, and a display portion and an operation portion arranged on the top portion. The top portion includes a first region, a first extension portion, and a second extension portion. As viewed along a vertical direction, the first extension portion and the second extension portion extend from the first region in the discharging direction, and at least a part of the first stack portion is located between the first extension portion and the second extension portion.Type: GrantFiled: April 1, 2021Date of Patent: October 18, 2022Assignee: Canon Kabushiki KaishaInventors: Kohei Koguchi, Isao Koishi, Katsuhiko Oba
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Patent number: 11454912Abstract: An image forming apparatus includes an image bearing member, a developer bearing member, a discharge unit, a stacking tray including a stacking surface on which the recording material is stacked, a replenishment port, a cover capable of moving between a closed position where the cover covers the replenishment port and constitutes at least part of the stacking surface and an open position where the cover exposes the replenishment port, and an information display unit for displaying information about a procedure for replenishing the developing container with the developer from the replenishment container.Type: GrantFiled: April 6, 2021Date of Patent: September 27, 2022Assignee: Canon Kabushiki KaishaInventors: Katsuhiko Oba, Kohei Koguchi, Isao Koishi
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Publication number: 20220019170Abstract: An image forming apparatus includes a first metal plate provided with a through hole; a second metal plate provided opposed to the first plate; a third metal plate provided between the first plate and the second plate; and a fixing member fixing the first plate and the third metal plate to each other. The fixing member has a first surface and a second surface extending in a direction crossing the first surface. The third metal plate extends outward in a direction in which the first plate and the second plate opposes to each other, and the third metal plate is provided with a first projection penetrating the through hole, and wherein the first projection is fixed on the first surface. The first plate is fixed on the second surface of the fixing member.Type: ApplicationFiled: December 3, 2019Publication date: January 20, 2022Inventors: Yoichiro IIZUKA, Kohei KOGUCHI, Masatoshi YAMASHITA
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Publication number: 20210405572Abstract: An image forming apparatus according to the present invention includes an optical box, a housing having a discharge opening, a cover provided downstream of the optical box in a discharge direction in which a recording material is discharged through the discharge opening and forming a part of the housing, and a circuit board, wherein the circuit board includes a plurality of electronic components and a wiring board configured to electrically connect the plurality of electronic components, the circuit board is disposed in such a direction that a surface of the wiring board on which the plurality of electronic components is mounted intersects the discharge direction, and the wiring board is provided between the cover and the optical box in the discharge direction, and wherein, when viewed in a vertical direction, the optical box and the plurality of electronic components partially overlap each other.Type: ApplicationFiled: June 23, 2021Publication date: December 30, 2021Inventors: Yuichiro Okawa, Kohei Koguchi
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Publication number: 20210318645Abstract: An image forming apparatus includes an image bearing member, a developer bearing member, a discharge unit, a stacking tray including a stacking surface on which the recording material is stacked, a replenishment port, a cover capable of moving between a closed position where the cover covers the replenishment port and constitutes at least part of the stacking surface and an open position where the cover exposes the replenishment port, and an information display unit for displaying information about a procedure for replenishing the developing container with the developer from the replenishment container.Type: ApplicationFiled: April 6, 2021Publication date: October 14, 2021Inventors: Katsuhiko Oba, Kohei Koguchi, Isao Koishi
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Publication number: 20210318642Abstract: An image forming apparatus includes an attachment portion to which to attach a supply container for supplying a developer, a housing including a discharge portion for discharging a sheet in a discharging direction, a discharge tray including a first stack portion for stacking the sheet thereon, in which the first stack portion is configured to be movable between a closed position and an opened position, a top portion fixed to the housing, and a display portion and an operation portion arranged on the top portion. The top portion includes a first region, a first extension portion, and a second extension portion. As viewed along a vertical direction, the first extension portion and the second extension portion extend from the first region in the discharging direction, and at least a part of the first stack portion is located between the first extension portion and the second extension portion.Type: ApplicationFiled: April 1, 2021Publication date: October 14, 2021Inventors: Kohei Koguchi, Isao Koishi, Katsuhiko Oba
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Patent number: 11048204Abstract: A positioning apparatus includes an apparatus body, a draw-out portion, and a positioning mechanism configured to position the draw-out portion at an attachment position with respect to the apparatus body, wherein the positioning mechanism includes a first engaging portion provided in one of the apparatus body and the draw-out portion, a first engaged portion provided in another of the apparatus body and the draw-out portion and configured to determine a position of the draw-out portion in an attachment direction by engaging with the first engaging portion, and wherein the first engaged portion includes an inclined surface that is inclined downward toward a downstream side in the attachment direction and causes a force in the attachment direction to act on the draw-out portion on a basis of a weight of the draw-out portion in a state in which the first engaged portion is engaged with the first engaging portion.Type: GrantFiled: February 4, 2020Date of Patent: June 29, 2021Assignee: Canon Kabushiki KaishaInventors: Fumiya Sawashima, Takeo Kawanami, Shunsuke Hijikata, Kohei Koguchi, Yoichiro Iizuka
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Publication number: 20200264554Abstract: A positioning apparatus includes an apparatus body, a draw-out portion, and a positioning mechanism configured to position the draw-out portion at an attachment position with respect to the apparatus body, wherein the positioning mechanism includes a first engaging portion provided in one of the apparatus body and the draw-out portion, a first engaged portion provided in another of the apparatus body and the draw-out portion and configured to determine a position of the draw-out portion in an attachment direction by engaging with the first engaging portion, and wherein the first engaged portion includes an inclined surface that is inclined downward toward a downstream side in the attachment direction and causes a force in the attachment direction to act on the draw-out portion on a basis of a weight of the draw-out portion in a state in which the first engaged portion is engaged with the first engaging portion.Type: ApplicationFiled: February 4, 2020Publication date: August 20, 2020Inventors: Fumiya Sawashima, Takeo Kawanami, Shunsuke Hijikata, Kohei Koguchi, Yoichiro Iizuka
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Patent number: 10627777Abstract: The separation holding member 36 includes a grip portion 36h for detaching the separation holding member 36 from the cartridge B, the grip portion 36h being configured so as to assume a first shape of protruding in a direction of separation from a surface of the cartridge B when the cartridge B mounted with the separation holding member 36 is detached from the apparatus main body A and to assume a second shape in which a gap with the surface of the cartridge B is smaller than in the first shape when the cartridge B mounted with the separation holding member 36 is mounted to the apparatus main body A.Type: GrantFiled: January 22, 2019Date of Patent: April 21, 2020Assignee: CANON KABUSHIKI KAISHAInventors: Kohei Koguchi, Yoichiro Iizuka
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Publication number: 20190227482Abstract: The separation holding member 36 includes a grip portion 36h for detaching the separation holding member 36 from the cartridge B, the grip portion 36h being configured so as to assume a first shape of protruding in a direction of separation from a surface of the cartridge B when the cartridge B mounted with the separation holding member 36 is detached from the apparatus main body A and to assume a second shape in which a gap with the surface of the cartridge B is smaller than in the first shape when the cartridge B mounted with the separation holding member 36 is mounted to the apparatus main body A.Type: ApplicationFiled: January 22, 2019Publication date: July 25, 2019Inventors: Kohei Koguchi, Yoichiro Iizuka