Patents by Inventor Masaki Furutani
Masaki Furutani 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: 10620567Abstract: A developer accommodating unit for accommodating a developer for image formation includes a flexible container provided with an opening 35a for permitting discharge of the developer, a frame for accommodating the flexible container and for accommodating the developer to be discharged from the flexible container, and an urging member 21 for urging a developer accommodating bag toward the frame for accommodating the developer accommodating bag 16. By this, it is possible to satisfactorily effect discharge of the developer from the flexible developer accommodating bag 16.Type: GrantFiled: November 27, 2018Date of Patent: April 14, 2020Assignee: Canon Kabushiki KaishaInventors: Hiroomi Matsuzaki, Masaaki Matsushita, Tatsuo Fujisaki, Masaki Furutani, Tetsuo Uesugi, Kojiro Yasui, Tomonori Matsunaga
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Patent number: 10527970Abstract: A developer accommodating unit for accommodating a developer for image formation includes a flexible container provided with an opening 35a for permitting discharge of the developer, a frame for accommodating the flexible container and for accommodating the developer to be discharged from the flexible container, and an urging member 21 for urging a developer accommodating bag toward the frame for accommodating the developer accommodating bag 16. By this, it is possible to satisfactorily effect discharge of the developer from the flexible developer accommodating bag 16.Type: GrantFiled: November 27, 2018Date of Patent: January 7, 2020Assignee: Canon Kabushiki KaishaInventors: Hiroomi Matsuzaki, Masaaki Matsushita, Tatsuo Fujisaki, Masaki Furutani, Tetsuo Uesugi, Kojiro Yasui, Tomonori Matsunaga
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Publication number: 20190094759Abstract: A developer accommodating unit for accommodating a developer for image formation includes a flexible container provided with an opening 35a for permitting discharge of the developer, a frame for accommodating the flexible container and for accommodating the developer to be discharged from the flexible container, and an urging member 21 for urging a developer accommodating bag toward the frame for accommodating the developer accommodating bag 16. By this, it is possible to satisfactorily effect discharge of the developer from the flexible developer accommodating bag 16.Type: ApplicationFiled: November 27, 2018Publication date: March 28, 2019Inventors: Hiroomi Matsuzaki, Masaaki Matsushita, Tatsuo Fujisaki, Masaki Furutani, Tetsuo Uesugi, Kojiro Yasui, Tomonori Matsunaga
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Patent number: 10175609Abstract: A developer accommodating unit for accommodating a developer for image formation includes a flexible container provided with an opening 35a for permitting discharge of the developer, a frame for accommodating the flexible container and for accommodating the developer to be discharged from the flexible container, and an urging member 21 for urging a developer accommodating bag toward the frame for accommodating the developer accommodating bag 16. By this, it is possible to satisfactorily effect discharge of the developer from the flexible developer accommodating bag 16.Type: GrantFiled: December 21, 2017Date of Patent: January 8, 2019Assignee: Canon Kabushiki KaishaInventors: Hiroomi Matsuzaki, Masaaki Matsushita, Tatsuo Fujisaki, Masaki Furutani, Tetsuo Uesugi, Kojiro Yasui, Tomonori Matsunaga
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Publication number: 20180113399Abstract: A developer accommodating unit for accommodating a developer for image formation includes a flexible container provided with an opening 35a for permitting discharge of the developer, a frame for accommodating the flexible container and for accommodating the developer to be discharged from the flexible container, and an urging member 21 for urging a developer accommodating bag toward the frame for accommodating the developer accommodating bag 16. By this, it is possible to satisfactorily effect discharge of the developer from the flexible developer accommodating bag 16.Type: ApplicationFiled: December 21, 2017Publication date: April 26, 2018Inventors: Hiroomi Matsuzaki, Masaaki Matsushita, Tatsuo Fujisaki, Masaki Furutani, Tetsuo Uesugi, Kojiro Yasui, Tomonori Matsunaga
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Patent number: 9885978Abstract: A developer accommodating unit for accommodating a developer for image formation includes a flexible container provided with an opening 35a for permitting discharge of the developer, a frame for accommodating the flexible container and for accommodating the developer to be discharged from the flexible container, and an urging member 21 for urging a developer accommodating bag toward the frame for accommodating the developer accommodating bag 16. By this, it is possible to satisfactorily effect discharge of the developer from the flexible developer accommodating bag 16.Type: GrantFiled: May 1, 2017Date of Patent: February 6, 2018Assignee: Canon Kabushiki KaishaInventors: Hiroomi Matsuzaki, Masaaki Matsushita, Tatsuo Fujisaki, Masaki Furutani, Tetsuo Uesugi, Kojiro Yasui, Tomonori Matsunaga
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Publication number: 20170235251Abstract: A developer accommodating unit for accommodating a developer for image formation includes a flexible container provided with an opening 35a for permitting discharge of the developer, a frame for accommodating the flexible container and for accommodating the developer to be discharged from the flexible container, and an urging member 21 for urging a developer accommodating bag toward the frame for accommodating the developer accommodating bag 16. By this, it is possible to satisfactorily effect discharge of the developer from the flexible developer accommodating bag 16.Type: ApplicationFiled: May 1, 2017Publication date: August 17, 2017Inventors: Hiroomi Matsuzaki, Masaaki Matsushita, Tatsuo Fujisaki, Masaki Furutani, Tetsuo Uesugi, Kojiro Yasui, Tomonori Matsunaga
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Patent number: 9665040Abstract: A developer accommodating unit for accommodating a developer for image formation includes a flexible container provided with an opening 35a for permitting discharge of the developer, a frame for accommodating the flexible container and for accommodating the developer to be discharged from the flexible container, and an urging member 21 for urging a developer accommodating bag toward the frame for accommodating the developer accommodating bag 16. By this, it is possible to satisfactorily effect discharge of the developer from the flexible developer accommodating bag 16.Type: GrantFiled: August 28, 2013Date of Patent: May 30, 2017Assignee: Canon Kabushiki KaishaInventors: Hiroomi Matsuzaki, Masaaki Matsushita, Tatsuo Fujisaki, Masaki Furutani, Tetsuo Uesugi, Kojiro Yasui, Tomonori Matsunaga
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Patent number: 9405224Abstract: A developer accommodating container for accommodating developer for image formation. The developer accommodating container includes a first flexible member having a folded shape and a second flexible member for forming a space for accommodating the developer by covering a part of the first flexible member. The first flexible container and the second flexible container form an injection opening for permitting injection of developer into the space. As seen from an injection direction, the folded shape has a recess.Type: GrantFiled: September 6, 2013Date of Patent: August 2, 2016Assignee: Canon Kabushiki KaishaInventors: Masaki Furutani, Junichi Matsumura
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Patent number: 9383678Abstract: A developer accommodating container for accommodating a developer for image formation, includes a first flexible member having a three-dimensional shape; a second flexible member for forming a space for accommodating the developer by covering a part of the first flexible member; wherein the developer accommodating container is constituted by bonding the first flexible member and the second flexible member to each other, and an injection opening, provided between the first flexible member and the second flexible member, for permitting injection of the developer into the developer accommodating container. An adjacent side, which is one of sides constituting an outer configuration of the three-dimensional shape and which is adjacent to the injection opening, has an angle of less than 90 degrees with respect to an injection direction of the developer at the injection opening.Type: GrantFiled: September 6, 2013Date of Patent: July 5, 2016Assignee: Canon Kabushiki KaishaInventors: Masaki Furutani, Kojiro Yasui, Hiroomi Matsuzaki, Koji Yamaguchi
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Developer accommodating container, process cartridge and electrophotographic image forming apparatus
Patent number: 9354553Abstract: A developer accommodating container for accommodating a developer includes: a flexible container provided with an opening for permitting discharge of the developer; a sealing member for sealing the opening in a state in which the sealing member is bonded to a periphery of the opening, wherein the sealing member is capable of exposing the opening by being removed by pulling; and a reinforcing portion, provided at least as a part of the periphery of the opening, for decreasing a degree of deformation of the opening.Type: GrantFiled: January 10, 2014Date of Patent: May 31, 2016Assignee: Canon Kabushiki KaishaInventors: Masatomi Yoshida, Masaki Furutani, Masaaki Matsushita, Tetsuo Uesugi, Seiichi Shinohara -
Patent number: 9304440Abstract: A developer accommodating unit includes: a flexible container including an opening for permitting discharge of a developer; a sealing member for forming a bonding portion between itself and the flexible container; an unsealing member; and an accommodating container. The bonding portion includes a first bonding portion extending in a longitudinal direction of the sealing member at a periphery of the opening in an upstream side of a peeling direction of the sealing member, a second bonding portion extending in the longitudinal direction at the periphery of the opening in a downstream side of the peeling direction, and a third bonding portion bonded upstream of the first bonding portion with respect to the peeling direction. When the sealing member exposes the opening, the bonding portion is peeled in the order of the third bonding portion, the first bonding portion and the second bonding portion.Type: GrantFiled: September 5, 2013Date of Patent: April 5, 2016Assignee: Canon Kabushiki KaishaInventors: Masatomi Yoshida, Masaki Furutani, Kojiro Yasui, Tetsuo Uesugi
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Patent number: 9213263Abstract: A developer accommodating container for accommodating a developer includes a flexible container including an injection port for permitting entrance of the developer and a plurality of openings for permitting discharge of the developer, and a sealing member mounted on the flexible container in a state in which the sealing member seals the plurality of openings and capable of exposing the plurality of openings by being moved in an unsealing direction. The plurality of openings are provided at different positions along an axial direction perpendicular to the unsealing direction in which exposure of the plurality of openings advances.Type: GrantFiled: July 26, 2013Date of Patent: December 15, 2015Assignee: CANON KABUSHIKI KAISHAInventors: Hiroomi Matsuzaki, Masaaki Matsushita, Tatsuo Fujisaki, Masaki Furutani
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Patent number: 9207581Abstract: A developer accommodating unit for accommodating a developer includes: an accommodating portion, provided with an opening, for accommodating the developer; a sealing member for sealing the opening; and an unsealing member rotatable for winding up the sealing member. The sealing member is peelable off from the accommodating portion to unseal the opening in a first unsealing direction and a second unsealing direction opposite to the first unsealing direction.Type: GrantFiled: June 2, 2014Date of Patent: December 8, 2015Assignee: Canon Kabushiki KaishaInventors: Koji Wada, Takashi Kase, Takayuki Kanazawa, Yusuke Usui, Masaki Furutani, Kojiro Yasui, Hiroomi Matsuzaki, Tetsuo Uesugi, Tatsuo Fujisaki, Masaaki Matsushita, Junichi Matsumura
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Patent number: 9152081Abstract: A developer accommodating container for accommodating a developer includes a developer bag 16 provided with an injection port for permitting entrance of the developer and an opening 35a for permitting discharge of the developer and includes a sealing member 19 which includes a bonded portion bonded to the developer bag 16 so as to seal the opening and which is capable of exposing the opening by peeling the bonded portion from the developer bag 16 by being moved, and the sealing member includes a first bonded portion 22a in an upstream side of the opening and a second bonded portion 22b in a downstream side of the opening with respect to a sealing member unsealing direction, the first bonded portion and the second bonded portion interposing the opening, and the second bonded portion is provided in a non-contact position with the opening.Type: GrantFiled: September 16, 2013Date of Patent: October 6, 2015Assignee: Canon Kabushiki KaishaInventors: Kojiro Yasui, Hiroomi Matsuzaki, Koji Yamaguchi, Masaaki Matsushita, Tatsuo Fujisaki, Masaki Furutani
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Patent number: 9146500Abstract: A developer accommodating unit for accommodating a developer includes a flexible container, provided with an opening for permitting discharge of the developer, for accommodating the developer, and a frame. The flexible container is provided with a fastening hole for fastening said flexible container in said frame. The frame includes a fixing shaft portion fixed in the fastening hole by being inserted into the fastening hole, and includes a retaining portion for preventing the fixing shaft portion from being disengaged from the fastening hole. The fastening hole is locked by fitting the fastening hole around the fixing shaft portion while an edge of the fastening hole rides over the retaining portion by elastic deformation thereof.Type: GrantFiled: September 4, 2013Date of Patent: September 29, 2015Assignee: Canon Kabushiki KaishaInventors: Tetsuo Uesugi, Masaki Furutani, Kojiro Yasui, Hiroomi Matsuzaki
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Patent number: 9063464Abstract: A developer containing unit configured to contain a developer, the developer containing unit including: a flexible container configured to contain the developer and provided with an opening portion through which the developer is discharged; a frame configured to accommodate the flexible container; a pressure member provided in the frame and configured to deform the flexible container; and an abutment portion extending in a longitudinal direction of the frame and at which the flexible container and the frame abut against each other.Type: GrantFiled: June 4, 2013Date of Patent: June 23, 2015Assignee: Canon Kabushiki KaishaInventors: Masaki Furutani, Koji Yamaguchi, Tetsuo Uesugi, Junichi Matsumura, Tomonori Matsunaga
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Publication number: 20140363196Abstract: A developer accommodating unit for accommodating a developer includes: an accommodating portion, provided with an opening, for accommodating the developer; a sealing member for sealing the opening; and an unsealing member rotatable for winding up the sealing member. The sealing member is peelable off from the accommodating portion to unseal the opening in a first unsealing direction and a second unsealing direction opposite to the first unsealing direction.Type: ApplicationFiled: June 2, 2014Publication date: December 11, 2014Applicant: CANON KABUSHIKI KAISHAInventors: Koji Wada, Takashi Kase, Takayuki Kanazawa, Yusuke Usui, Masaki Furutani, Kojiro Yasui, Hiroomi Matsuzaki, Tetsuo Uesugi, Tatsuo Fujisaki, Masaaki Matsushita, Junichi Matsumura
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Patent number: 8824918Abstract: A developer accommodating unit for accommodating a developer for image formation includes a developer accommodating container including a flexible container provided with openings for permitting discharge of the accommodated developer and sealing member for sealing the openings by a bonding portion and for exposing the openings by being moved, an unsealing member, mounted on the sealing member, for moving the sealing member, and a frame which accommodates the developer accommodating container and the unsealing member and which includes a fixing portion for fixing the flexible container. In addition, connecting potion is disposed between the openings in the flexible container. With respect to an unsealing direction of the sealing member, the fixing portion and the connecting portion are provided so as to overlap with each other.Type: GrantFiled: July 26, 2013Date of Patent: September 2, 2014Assignee: Canon Kabushiki KaishaInventors: Yosuke Kashiide, Junichi Matsumura, Masaki Furutani, Masaaki Matsushita, Tetsuo Uesugi, Hiroomi Matsuzaki, Tatsuo Fujisaki, Kojiro Yasui, Kazuki Matsumoto
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DEVELOPER ACCOMMODATING CONTAINER, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS
Publication number: 20140199093Abstract: A developer accommodating container for accommodating a developer includes: a flexible container provided with an opening for permitting discharge of the developer; a sealing member for sealing the opening in a state in which the sealing member is bonded to a periphery of the opening, wherein the sealing member is capable of exposing the opening by being removed by pulling; and a reinforcing portion, provided at least as a part of the periphery of the opening, for decreasing a degree of deformation of the opening.Type: ApplicationFiled: January 10, 2014Publication date: July 17, 2014Applicant: CANON KABUSHIKI KAISHAInventors: Masatomi Yoshida, Masaki Furutani, Masaaki Matsushita, Tetsuo Uesugi, Seiichi Shinohara