Patents by Inventor Atsushi Fukaya
Atsushi Fukaya 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: 10452022Abstract: A process cartridge, comprising: a drum cartridge; and a waste toner case, the drum cartridge comprising: a development roller; a first side wall to support one end of a shaft of the development roller; a second wall to support the other end of the shaft; a photosensitive drum; a cleaner; and a conveying tube, the conveying tube comprising: a first part disposed on an opposite side of the second side wall with respect to the first side wall in an axis direction, the first part being connected to the cleaner; a second part disposed closer to the second side wall relative to the first part and connected to the waste toner case; and a third part connecting the first part with the second part, wherein a direction in which the waste toner case is attached is equal to a direction in which the second part extends.Type: GrantFiled: November 27, 2018Date of Patent: October 22, 2019Assignee: Brother Kogyo Kabushiki KaishaInventors: Atsushi Fukaya, Aya Adachi, Hideshi Nishiyama, Shougo Sato
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Publication number: 20190196391Abstract: A process cartridge having a drum cartridge and a toner cartridge is provided. The drum cartridge includes a photosensitive drum, a cleaner, a conveyer tube, a developing roller, and a developing device. The toner cartridge is attachable to the drum cartridge and is located on a side of the developing roller opposite to the photosensitive drum in an attaching direction. The toner cartridge includes a waste toner container to store the toner conveyed through the conveyer tube and a toner container to store the toner to be supplied to the photosensitive drum. The toner container communicates with a developing chamber in the developing device and is located at least partly between the waste toner container and the developing chamber. The conveyer tube extends in the attaching direction and is arranged to overlap the photosensitive drum, the toner container, and the waste toner container in a view along an axial direction.Type: ApplicationFiled: March 4, 2019Publication date: June 27, 2019Applicant: BROTHER KOGYO KABUSHIKI KAISHAInventors: Shougo SATO, Hideshi NISHIYAMA, Aya ADACHI, Atsushi FUKAYA
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Publication number: 20190121288Abstract: A process cartridge including a drum cartridge, a developing cartridge, and a waste toner container, is provided. The drum cartridge includes a photosensitive drum including a photosensitive layer and a rotation axis extending in an axial direction, a drum cleaner arranged to contact the photosensitive drum, a cleaner frame configured to accommodate the drum cleaner therein, and a waste toner conveyer tube connected with the cleaner frame. The developing cartridge is movable to be attached to and detached from the drum cartridge and includes a developer roller. The waste toner container is movable to be attached to and detached from the drum cartridge. When the developing cartridge and the waste toner container are attached to the drum cartridge, the waste toner container is connected with the waste toner conveyer tube and is located on an opposite side of the developing cartridge to the photosensitive drum.Type: ApplicationFiled: December 20, 2018Publication date: April 25, 2019Inventors: Hideshi Nishiyama, Atsushi Fukaya, Aya Adachi, Ryosuke Hayashi, Masaaki Furukawa, Shougo Sato
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Patent number: 10254705Abstract: A process cartridge having a drum cartridge and a toner cartridge is provided. The drum cartridge includes a photosensitive drum, a cleaner, a conveyer tube, a developing roller, and a developing device. The toner cartridge is attachable to the drum cartridge and is located on a side of the developing roller opposite to the photosensitive drum in an attaching direction. The toner cartridge includes a waste toner container to store the toner conveyed through the conveyer tube and a toner container to store the toner to be supplied to the photosensitive drum. The toner container communicates with a developing chamber in the developing device and is located at least partly between the waste toner container and the developing chamber. The conveyer tube extends in the attaching direction and is arranged to overlap the photosensitive drum, the toner container, and the waste toner container in a view along an axial direction.Type: GrantFiled: August 24, 2017Date of Patent: April 9, 2019Assignee: BROTHER KOGYO KABUSHIKI KAISHAInventors: Shougo Sato, Hideshi Nishiyama, Aya Adachi, Atsushi Fukaya
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Publication number: 20190094797Abstract: A process cartridge, comprising: a drum cartridge; and a waste toner case, the drum cartridge comprising: a development roller; a first side wall to support one end of a shaft of the development roller; a second wall to support the other end of the shaft; a photosensitive drum; a cleaner; and a conveying tube, the conveying tube comprising: a first part disposed on an opposite side of the second side wall with respect to the first side wall in an axis direction, the first part being connected to the cleaner; a second part disposed closer to the second side wall relative to the first part and connected to the waste toner case; and a third part connecting the first part with the second part, wherein a direction in which the waste toner case is attached is equal to a direction in which the second part extends.Type: ApplicationFiled: November 27, 2018Publication date: March 28, 2019Inventors: Atsushi Fukaya, Aya Adachi, Hideshi Nishiyama, Shougo Sato
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Patent number: 10197969Abstract: A process cartridge including a drum cartridge, a developing cartridge, and a waste toner container, is provided. The drum cartridge includes a photosensitive drum including a photosensitive layer and a rotation axis extending in an axial direction, a drum cleaner arranged to contact the photosensitive drum, a cleaner frame configured to accommodate the drum cleaner therein, and a waste toner conveyer tube connected with the cleaner frame. The developing cartridge is movable to be attached to and detached from the drum cartridge and includes a developer roller. The waste toner container is movable to be attached to and detached from the drum cartridge. When the developing cartridge and the waste toner container are attached to the drum cartridge, the waste toner container is connected with the waste toner conveyer tube and is located on an opposite side of the developing cartridge to the photosensitive drum.Type: GrantFiled: August 28, 2018Date of Patent: February 5, 2019Assignee: Brother Kogyo Kabushiki KaishaInventors: Hideshi Nishiyama, Atsushi Fukaya, Aya Adachi, Ryosuke Hayashi, Masaaki Furukawa, Shougo Sato
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Patent number: 10168663Abstract: A process cartridge, comprising: a drum cartridge; and a waste toner case, the drum cartridge comprising: a development roller; a first side wall to support one end of a shaft of the development roller; a second wall to support the other end of the shaft; a photosensitive drum; a cleaner; and a conveying tube, the conveying tube comprising: a first part disposed on an opposite side of the second side wall with respect to the first side wall in an axis direction, the first part being connected to the cleaner; a second part disposed closer to the second side wall relative to the first part and connected to the waste toner case; and a third part connecting the first part with the second part, wherein a direction in which the waste toner case is attached is equal to a direction in which the second part extends.Type: GrantFiled: March 30, 2017Date of Patent: January 1, 2019Assignee: Brother Kogyo Kabushiki KaishaInventors: Atsushi Fukaya, Aya Adachi, Hideshi Nishiyama, Shougo Sato
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Publication number: 20180364638Abstract: A process cartridge including a drum cartridge, a developing cartridge, and a waste toner container, is provided. The drum cartridge includes a photosensitive drum including a photosensitive layer and a rotation axis extending in an axial direction, a drum cleaner arranged to contact the photosensitive drum, a cleaner frame configured to accommodate the drum cleaner therein, and a waste toner conveyer tube connected with the cleaner frame. The developing cartridge is movable to be attached to and detached from the drum cartridge and includes a developer roller. The waste toner container is movable to be attached to and detached from the drum cartridge. When the developing cartridge and the waste toner container are attached to the drum cartridge, the waste toner container is connected with the waste toner conveyer tube and is located on an opposite side of the developing cartridge to the photosensitive drum.Type: ApplicationFiled: August 28, 2018Publication date: December 20, 2018Inventors: Hideshi Nishiyama, Atsushi Fukaya, Aya Adachi, Ryosuke Hayashi, Masaaki Furukawa, Shougo Sato
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Publication number: 20180356765Abstract: An image forming apparatus, including a casing, a toner cartridge, and a process cartridge, is provided. The toner cartridge detachably attached to the casing stores toner therein. The process cartridge detachably attached to the casing includes a developing unit and a drum unit. The developing unit includes a developer roller and a toner conveyer tube. The toner conveyer tube has a first opening, through which the toner from the toner cartridge is acceptable into the toner conveyer tube while the toner cartridge and the process cartridge are attached to the casing. The drum unit includes a photosensitive drum supporting the toner conveyer tube by contacting a circumferential surface of the toner conveyer tube. The developing unit is pivotable with respect to the drum unit with the toner conveyer tube and the drum unit being slidable on each other.Type: ApplicationFiled: August 21, 2018Publication date: December 13, 2018Applicant: BROTHER KOGYO KABUSHIKI KAISHAInventors: Shougo SATO, Atsushi FUKAYA
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Patent number: 10082765Abstract: A process cartridge including a drum cartridge, a developing cartridge, and a waste toner container, is provided. The drum cartridge includes a photosensitive drum including a photosensitive layer and a rotation axis extending in an axial direction, a drum cleaner arranged to contact the photosensitive drum, a cleaner frame configured to accommodate the drum cleaner therein, and a waste toner conveyer tube connected with the cleaner frame. The developing cartridge is movable to be attached to and detached from the drum cartridge and includes a developer roller. The waste toner container is movable to be attached to and detached from the drum cartridge. When the developing cartridge and the waste toner container are attached to the drum cartridge, the waste toner container is connected with the waste toner conveyer tube and is located on an opposite side of the developing cartridge to the photosensitive drum.Type: GrantFiled: March 30, 2017Date of Patent: September 25, 2018Assignee: Brother Kogyo Kabushiki KaishaInventors: Hideshi Nishiyama, Atsushi Fukaya, Aya Adachi, Ryosuke Hayashi, Masaaki Furukawa, Shougo Sato
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Publication number: 20180267459Abstract: A process cartridge having a drum cartridge and a toner cartridge is provided. The drum cartridge includes a photosensitive drum, a cleaner, a conveyer tube, a developing roller, and a developing device. The toner cartridge is attachable to the drum cartridge and is located on a side of the developing roller opposite to the photosensitive drum in an attaching direction. The toner cartridge includes a waste toner container to store the toner conveyed through the conveyer tube and a toner container to store the toner to be supplied to the photosensitive drum. The toner container communicates with a developing chamber in the developing device and is located at least partly between the waste toner container and the developing chamber. The conveyer tube extends in the attaching direction and is arranged to overlap the photosensitive drum, the toner container, and the waste toner container in a view along an axial direction.Type: ApplicationFiled: August 24, 2017Publication date: September 20, 2018Applicant: BROTHER KOGYO KABUSHIKI KAISHAInventors: Shougo SATO, Hideshi NISHIYAMA, Aya ADACHI, Atsushi FUKAYA
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Patent number: 10067468Abstract: An image forming apparatus, including a casing, a toner cartridge, and a process cartridge, is provided. The toner cartridge detachably attached to the casing stores toner therein. The process cartridge detachably attached to the casing includes a developing unit and a drum unit. The developing unit includes a developer roller and a toner conveyer tube. The toner conveyer tube has a first opening, through which the toner from the toner cartridge is acceptable into the toner conveyer tube while the toner cartridge and the process cartridge are attached to the casing. The drum unit includes a photosensitive drum supporting the toner conveyer tube by contacting a circumferential surface of the toner conveyer tube. The developing unit is pivotable with respect to the drum unit with the toner conveyer tube and the drum unit being slidable on each other.Type: GrantFiled: September 11, 2017Date of Patent: September 4, 2018Assignee: BROTHER KOGYO KABUSHIKI KAISHAInventors: Shougo Sato, Atsushi Fukaya
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Publication number: 20180107153Abstract: An image forming apparatus, including a casing, a toner cartridge, and a process cartridge, is provided. The toner cartridge detachably attached to the casing stores toner therein. The process cartridge detachably attached to the casing includes a developing unit and a drum unit. The developing unit includes a developer roller and a toner conveyer tube. The toner conveyer tube has a first opening, through which the toner from the toner cartridge is acceptable into the toner conveyer tube while the toner cartridge and the process cartridge are attached to the casing. The drum unit includes a photosensitive drum supporting the toner conveyer tube by contacting a circumferential surface of the toner conveyer tube. The developing unit is pivotable with respect to the drum unit with the toner conveyer tube and the drum unit being slidable on each other.Type: ApplicationFiled: September 11, 2017Publication date: April 19, 2018Applicant: BROTHER KOGYO KABUSHIKI KAISHAInventors: Shougo SATO, Atsushi FUKAYA
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Publication number: 20170285568Abstract: A process cartridge including a drum cartridge, a developing cartridge, and a waste toner container, is provided. The drum cartridge includes a photosensitive drum including a photosensitive layer and a rotation axis extending in an axial direction, a drum cleaner arranged to contact the photosensitive drum, a cleaner frame configured to accommodate the drum cleaner therein, and a waste toner conveyer tube connected with the cleaner frame. The developing cartridge is movable to be attached to and detached from the drum cartridge and includes a developer roller. The waste toner container is movable to be attached to and detached from the drum cartridge. When the developing cartridge and the waste toner container are attached to the drum cartridge, the waste toner container is connected with the waste toner conveyer tube and is located on an opposite side of the developing cartridge to the photosensitive drum.Type: ApplicationFiled: March 30, 2017Publication date: October 5, 2017Inventors: Hideshi Nishiyama, Atsushi Fukaya, Aya Adachi, Ryosuke Hayashi, Masaaki Furukawa, Shougo Sato
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Publication number: 20170285567Abstract: A process cartridge, comprising: a drum cartridge; and a waste toner case, the drum cartridge comprising: a development roller; a first side wall to support one end of a shaft of the development roller; a second wall to support the other end of the shaft; a photosensitive drum; a cleaner; and a conveying tube, the conveying tube comprising: a first part disposed on an opposite side of the second side wall with respect to the first side wall in an axis direction, the first part being connected to the cleaner; a second part disposed closer to the second side wall relative to the first part and connected to the waste toner case; and a third part connecting the first part with the second part, wherein a direction in which the waste toner case is attached is equal to a direction in which the second part extends.Type: ApplicationFiled: March 30, 2017Publication date: October 5, 2017Inventors: Atsushi Fukaya, Aya Adachi, Hideshi Nishiyama, Shougo Sato
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Patent number: 9507315Abstract: A developing cartridge mountable in a main casing of an image forming apparatus in a mounting direction includes: a supply roller; a casing; a supply electrode; and a first protecting portion. The supply roller rotates about an axis extending in a first direction orthogonal to the mounting direction. The casing includes first and second wall portions orthogonal to the first direction. The supply electrode is electrically connected to the supply roller and disposed adjacent to the second wall portion in the first direction. The first protecting portion protects the supply electrode and is disposed downstream of the supply electrode in the mounting direction. The first protecting portion has a sloped surface having a first end and a second end upstream of the first end in the mounting direction. The sloped surface slopes away from the second wall portion in the first direction toward the second end.Type: GrantFiled: January 5, 2015Date of Patent: November 29, 2016Assignee: BROTHER KOGYO KABUSHIKI KAISHAInventors: Shota Iriyama, Soun Kanada, Takashi Shimizu, Atsushi Fukaya
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Patent number: 9417558Abstract: A development cartridge including a housing, a developer carrying body rotating around a first axis along a first direction, a supply member rotating around a second axis along the first direction, a first gear connected with the developer carrying body, a second gear connected with the supply member, and a gear cover covering the first gear and the second gear, the gear cover including a first cover portion extending in a second direction perpendicular to the first direction, a second cover portion connected with the first cover portion, the second cover portion extending in the first direction, the second cover portion having an opening through which a part of the second gear protrudes from the second cover portion and is exposed.Type: GrantFiled: February 5, 2016Date of Patent: August 16, 2016Assignee: Brother Kogyo Kabushiki KaishaInventors: Takashi Shimizu, Atsushi Fukaya, Soun Kanada, Hirofumi Kuriki, Hiroya Fukuta
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Publication number: 20160154339Abstract: A development cartridge including a housing, a developer carrying body rotating around a first axis along a first direction, a supply member rotating around a second axis along the first direction, a first gear connected with the developer carrying body, a second gear connected with the supply member, and a gear cover covering the first gear and the second gear, the gear cover including a first cover portion extending in a second direction perpendicular to the first direction, a second cover portion connected with the first cover portion, the second cover portion extending in the first direction, the second cover portion having an opening through which a part of the second gear protrudes from the second cover portion and is exposed.Type: ApplicationFiled: February 5, 2016Publication date: June 2, 2016Inventors: Takashi Shimizu, Atsushi Fukaya, Soun Kanada, Hirofumi Kuriki, Hiroya Fukuta
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Patent number: 9256195Abstract: A development cartridge including a housing, a developer carrying body rotating around a first axis along a first direction, a supply member rotating around a second axis along the first direction, a first gear connected with the developer carrying body, a second gear connected with the supply member, and a gear cover covering the first gear and the second gear, the gear cover including a first cover portion extending in a second direction perpendicular to the first direction, a second cover portion connected with the first cover portion, the second cover portion extending in the first direction, the second cover portion having an opening through which a part of the second gear protrudes from the second cover portion and is exposed.Type: GrantFiled: November 18, 2014Date of Patent: February 9, 2016Assignee: Brother Kogyo Kabushiki KaishaInventors: Takashi Shimizu, Atsushi Fukaya, Soun Kanada, Hirofumi Kuriki, Hiroya Fukuta
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Patent number: D849131Type: GrantFiled: July 11, 2017Date of Patent: May 21, 2019Assignee: BROTHER INDUSTRIES, LTD.Inventors: Takashi Shimizu, Naoya Kamimura, Koji Abe, Hideshi Nishiyama, Keita Shimizu, Shinya Kusuda, Atsushi Fukaya, Tomoya Ichikawa