Patents by Inventor Yuta Isobe
Yuta Isobe 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: 9678458Abstract: Provided is a remanufacturing method of a developer accommodating unit including a frame member configured to accommodate a flexible container for accommodating developer. The remanufacturing method includes taking out the flexible container from the inside of the frame member, and refilling the developer into the flexible container.Type: GrantFiled: August 18, 2016Date of Patent: June 13, 2017Assignee: Canon Kabushiki KaishaInventors: Takashi Kase, Kouki Yano, Yuta Isobe, Takahiro Ikeda, Yusuke Usui
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Patent number: 9678468Abstract: There is provided a cleaning apparatus including a cleaning member configured to collect developer on an image bearing member, and a storage chamber configured to store the developer, wherein cross-sectional areas of a lengthwise center and an end portion of the storage chamber in a lengthwise direction of the storage chamber are different, the cross sections being orthogonal to the lengthwise direction.Type: GrantFiled: September 17, 2015Date of Patent: June 13, 2017Assignee: Canon Kabushiki KaishaInventors: Yuta Isobe, Takayuki Namiki, Nobuo Oshima, Masanori Tanaka, Naoki Hayashi, Shigemi Kamoshida
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Publication number: 20170075259Abstract: Provided is a remanufacturing method of a developer accommodating unit including a flexible container provided with an opening and configured to accommodate developer, and a frame member configured to accommodate the flexible container. The remanufacturing method includes refilling the developer into the flexible container.Type: ApplicationFiled: November 22, 2016Publication date: March 16, 2017Inventors: Yuta Isobe, Takashi Kase, Kouki Yano, Takahiro Ikeda, Yusuke Usui, Shinjiro Toba, Masaaki Sato, Yosuke Kashiide, Satoshi Nishiya, Tatsuya Suzuki, Kohei Matsuda
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Patent number: 9535372Abstract: Provided is a remanufacturing method of a developer accommodating unit including a flexible container provided with an opening and configured to accommodate developer, and a frame member configured to accommodate the flexible container. The remanufacturing method includes refilling the developer into the flexible container.Type: GrantFiled: October 22, 2015Date of Patent: January 3, 2017Assignee: Canon Kabushiki KaishaInventors: Yuta Isobe, Takashi Kase, Kouki Yano, Takahiro Ikeda, Yusuke Usui, Shinjiro Toba, Masaaki Sato, Yosuke Kashiide, Satoshi Nishiya, Tatsuya Suzuki, Kohei Matsuda
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Publication number: 20160357128Abstract: Provided is a remanufacturing method of a developer accommodating unit including a frame member configured to accommodate a flexible container for accommodating developer. The remanufacturing method includes taking out the flexible container from the inside of the frame member, and refilling the developer into the flexible container.Type: ApplicationFiled: August 18, 2016Publication date: December 8, 2016Inventors: Takashi Kase, Kouki Yano, Yuta Isobe, Takahiro Ikeda, Yusuke Usui
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Publication number: 20160349669Abstract: A developer container includes a frame, provided with an opening, for accommodating a developer; a sealing member, including a folded-back portion, for sealing the opening; and a sandwiching portion for sandwiching the folded-back portion of the sealing member. In a plane perpendicular to the opening, the sealing member is nonwelded in the sandwiching portion.Type: ApplicationFiled: May 25, 2016Publication date: December 1, 2016Inventors: Nobuo Oshima, Takayuki Namiki, Masanori Tanaka, Yuta Isobe
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Patent number: 9465321Abstract: Provided is a remanufacturing method of a developer accommodating unit including a frame member configured to accommodate a flexible container for accommodating developer. The remanufacturing method includes taking out the flexible container from the inside of the frame member, and refilling the developer into the flexible container.Type: GrantFiled: October 22, 2015Date of Patent: October 11, 2016Assignee: CANON KABUSHIKI KAISHAInventors: Takashi Kase, Kouki Yano, Yuta Isobe, Takahiro Ikeda, Yusuke Usui
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Patent number: 9354587Abstract: An image forming apparatus, including: a rotatable image bearing member; a developing unit configured to supply a developer onto the image bearing member; a transfer unit configured to transfer the developer on the image bearing member to a recording medium by a transfer voltage being applied to the transfer unit by a voltage applying unit; and a cleaning unit configured to remove the developer on the image bearing member, wherein when the apparatus stops an image forming operation halfway, the apparatus executes a recovery operation in which the image bearing member is rotated while the voltage applying unit applies a voltage to the transfer unit so that a part of the developer remaining on the image bearing member is once transferred from the image bearing member to the transfer unit, transferred again from the transfer unit to the image bearing member, and then removed by the cleaning unit.Type: GrantFiled: June 6, 2013Date of Patent: May 31, 2016Assignee: Canon Kabushiki KaishaInventors: Takahiro Ikeda, Yuta Isobe, Shunsuke Mizukoshi, Shuichi Tetsuno, Ryosuke Kanai
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Publication number: 20160124347Abstract: Provided is a remanufacturing method of a developer accommodating unit including a flexible container provided with an opening and configured to accommodate developer, and a frame member configured to accommodate the flexible container. The remanufacturing method includes refilling the developer into the flexible container.Type: ApplicationFiled: October 22, 2015Publication date: May 5, 2016Inventors: Yuta Isobe, Takashi Kase, Kouki Yano, Takahiro Ikeda, Yusuke Usui, Shinjiro Toba, Masaaki Sato, Yosuke Kashiide, Satoshi Nishiya, Tatsuya Suzuki, Kohei Matsuda
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Publication number: 20160116864Abstract: Provided is a remanufacturing method of a developer accommodating unit including a frame member configured to accommodate a flexible container for accommodating developer. The remanufacturing method includes taking out the flexible container from the inside of the frame member, and refilling the developer into the flexible container.Type: ApplicationFiled: October 22, 2015Publication date: April 28, 2016Inventors: Takashi Kase, Kouki Yano, Yuta Isobe, Takahiro Ikeda, Yusuke Usui
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Publication number: 20160085201Abstract: There is provided a cleaning apparatus including a cleaning member configured to collect developer on an image bearing member, and a storage chamber configured to store the developer, wherein cross-sectional areas of a lengthwise center and an end portion of the storage chamber in a lengthwise direction of the storage chamber are different, the cross sections being orthogonal to the lengthwise direction.Type: ApplicationFiled: September 17, 2015Publication date: March 24, 2016Inventors: Yuta Isobe, Takayuki Namiki, Nobuo Oshima, Masanori Tanaka, Naoki Hayashi, Shigemi Kamoshida
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Patent number: 9239548Abstract: An image forming apparatus, which executes, after an image forming operation is stopped, a cleaning operation in which toner that remains on an intermediate transfer belt is transferred to a photosensitive drum and is removed by a cleaning blade while the image forming apparatus causes the intermediate transfer belt to move for circulation, causes a charging roller or a laser scanner to change the surface potential of the photosensitive drum such that the toner to be transferred from the intermediate transfer belt to the photosensitive drum is part of the toner that is to remain on the intermediate transfer belt, when the cleaning operation is executed.Type: GrantFiled: August 15, 2013Date of Patent: January 19, 2016Assignee: Canon Kabushiki KaishaInventors: Shuichi Tetsuno, Takahiro Ikeda, Yuta Isobe, Shunsuke Mizukoshi
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Patent number: 9170525Abstract: A developing device usable with an image forming apparatus includes a developer carrying member for carrying a developer, a developer accommodating portion for accommodating a developer, and a guiding member having an inclined surface contacting the developer carrying member. The inclined surface guides a developer to a contact portion where the inclined surface contacts the developer carrying member to cause the developer to be carried on the developer carrying member. A regulating member regulates an amount of the developer carried on the developer carrying member. An inclination angle of the inclined surface is in a range not less than an angle of rest of the developer and less than 90 degrees.Type: GrantFiled: May 5, 2014Date of Patent: October 27, 2015Assignee: CANON KABUSHIKI KAISHAInventors: Motoki Adachi, Takuya Kitamura, Hideo Kihara, Kouki Yano, Yuta Isobe
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Patent number: 9069282Abstract: An image forming apparatus includes an image bearing member, a developing device, a holding unit, and a detection device. The image bearing member supports an electrostatic latent image. The developing device includes a developer bearing member having a first electrode member and supporting a developer to develop the electrostatic latent image. The developing device includes a supply member having a second electrode member and supplying the developer to the developer bearing member at a nip portion. The holding unit holds and change the developing device to a first posture and to a second posture where the deposited developer falls off the first posture. The detection device detects a remaining developer amount in the developing device based on a capacitance C1 between the first and second electrode members in the first posture and a capacitance C2 between the first and second electrode members in the second posture.Type: GrantFiled: November 21, 2012Date of Patent: June 30, 2015Assignee: Canon Kabushiki KaishaInventors: Yuta Isobe, Hideo Kihara, Takuya Kitamura, Yuji Kawaguchi, Kouki Yano
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Patent number: 8995862Abstract: An image forming apparatus includes: at least one image bearing member; a developing device for forming a developer image by developing a latent image formed on a surface of the image bearing member; a cleaning device, including a cleaning blade for collecting a developer on the image bearing member; a discriminating portion for discriminating whether or not a cleaning sequence in which an amount of the developer to be conveyed to the cleaning device is adjusted is to be performed; and a stop detecting portion for detecting the stop of an operation of the image forming apparatus. When the operation of the image forming apparatus is resumed after the stop detecting means detects stop of the operation of the image forming apparatus, the discriminating means discriminates, before the image bearing member is operated, whether or not the cleaning sequence is to be performed.Type: GrantFiled: October 29, 2013Date of Patent: March 31, 2015Assignee: Canon Kabushiki KaishaInventors: Shunsuke Mizukoshi, Shuichi Tetsuno, Takahiro Ikeda, Yuta Isobe
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Patent number: 8995861Abstract: In an image forming apparatus, when no image is being formed, an image bearing member is rotated at least one rotation, in a state in which a transfer bias is controlled such that a potential on a surface of the image bearing member on the upstream side in the rotational direction of a cleaning apparatus is a polarity opposite to that of a developer.Type: GrantFiled: August 17, 2011Date of Patent: March 31, 2015Assignee: Canon Kabushiki KaishaInventors: Takuya Kitamura, Hideo Kihara, Yuji Kawaguchi, Kouki Yano, Yuta Isobe
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Patent number: 8965223Abstract: An image forming apparatus includes a holding unit configured to change a developing device to first and second orientations. Whether a developer in the developing device is unevenly distributed in a longitudinal direction of the developing device is detected based on a capacitance C1 between first and second electrode members in the first orientation and a capacitance C2 between the first and second electrode members in the second orientation.Type: GrantFiled: December 11, 2012Date of Patent: February 24, 2015Assignee: Canon Kabushiki KaishaInventors: Yuta Isobe, Motoki Adachi, Takuya Kitamura, Hideo Kihara, Kouki Yano
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Patent number: 8891987Abstract: A color image forming apparatus includes an image bearing member for carrying an electrostatic latent image, a plurality of developing devices for developing the electrostatic latent image, a supporting member for moving the developing devices sequentially to a developing position opposing the image bearing member, and a detecting device for detecting developer remainder in the developing device. In addition, a determining portion determines the developer remainder. In the developing device in which the detecting operation is effected after the developing operation, the determining portion determines the developer remainder from the information relating to the detected developer remainder. In the developing device of the developing devices for which the detecting operation is effected before the developing operation, the determining portion determines the developer remainder from the information relating to the detected developer remainder and a deduced consumption amount.Type: GrantFiled: May 10, 2012Date of Patent: November 18, 2014Assignee: Canon Kabushiki KaishaInventors: Hideo Kihara, Takuya Kitamura, Yuji Kawaguchi, Kouki Yano, Yuta Isobe
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Publication number: 20140334853Abstract: A developing device usable with an image forming apparatus includes a developer carrying member for carrying a developer; a developer accommodating portion for accommodating a developer; a guiding member having an inclined surface contacting the developer carrying member, the inclined surface being effective to guide a developer to a contact portion where the inclined surface contacts the developer carrying member to cause the developer to be carried on the developer carrying member; and a regulating member for regulating an amount of the developer carried on the developer carrying member, wherein an inclination angle of the inclined surface is in a range not less than an angle of rest and less than 90 degrees.Type: ApplicationFiled: May 5, 2014Publication date: November 13, 2014Applicant: CANON KABUSHIKI KAISHAInventors: Motoki Adachi, Takuya Kitamura, Hideo Kihara, Kouki Yano, Yuta Isobe
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Publication number: 20140334854Abstract: A developing apparatus for developing operation on an image bearing member, includes a rotatable developer carrying member for carrying a developer; a rubbing member for rubbing the developer carrying member with the developer therebetween to cause the developer to be carried on the developer carrying member; wherein the rubbing member includes a free end portion extending toward a downstream with respect to a rotational moving direction of the developer carrying member, the free end portion rubs the developer carrying member, and wherein the rubbing member is provided with a reinforcing portion for reinforcing the free end portion.Type: ApplicationFiled: May 9, 2014Publication date: November 13, 2014Applicant: CANON KABUSHIKI KAISHAInventors: Takuya Kitamura, Motoki Adachi, Hideo Kihara, Kouki Yano, Yuta Isobe