Patents by Inventor Seiji Inada
Seiji Inada 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: 20230393519Abstract: An image forming apparatus includes an apparatus body, and an opening/closing cover configured to expose an opening portion of the apparatus body by being opened. The apparatus body includes a main body frame, a plurality of conveyance units being detachably attached to the main body frame through the opening portion, a control board configured to control the plurality of conveyance units, and a relay board configured to be electrically connected to the control board. The plurality of conveyance units respectively include a plurality of first connectors. The relay board includes a plurality of second connectors that are arranged to face the opening portion and that are configured to be connected to the plurality of first connectors, the relay board being arranged at a position not interfering with attachment/detachment loci in which the plurality of conveyance units are attached to and detached from the main body frame.Type: ApplicationFiled: June 2, 2023Publication date: December 7, 2023Inventors: SEIJI INADA, KUNIHIRO NIWA
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Publication number: 20230341811Abstract: An image forming apparatus includes a casing accommodating an image forming unit, a fan, a duct member, an electric component, and a sensor unit. The casing includes a cover member, an air inlet opening, and an air outlet opening. The fan is configured to take in air from an upstream side in the second direction and blow out the air to a downstream side in the second direction such that the air flow flowing through the air inlet opening, the fan, the duct member, and the air outlet opening is generated. The sensor unit is arranged within a region between the air inlet opening and a rotational axis of the fan in the first direction, and is arranged on an upstream side of the fan in the second direction.Type: ApplicationFiled: April 5, 2023Publication date: October 26, 2023Inventors: JUNYA AZAMI, SEIJI INADA
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Patent number: 11774879Abstract: A toner conveying apparatus includes a frame body, a conveyance member, a light transmission portion, a light emission portion, a light reception portion, and a rubbing member. The frame body forms a conveyance passage surrounded by a wall portion and is provided with a reception inlet for receiving toner from outside. The conveyance member is provided in the conveyance passage and rotates around a first rotation axis to convey the toner. The light transmission portion that is provided in the wall portion and has translucency. The light emission portion emits light toward an inside of the conveyance passage through the light transmission portion. The light reception portion receives the light emitted from the light emission portion through the light transmission portion. The rubbing member rubs on the light transmission portion by being rotated around a second rotation axis extending in a direction crossing the first rotation axis.Type: GrantFiled: December 10, 2021Date of Patent: October 3, 2023Assignee: Canon Kabushiki KaishaInventors: Seiji Inada, Tsukasa Abe, Takashi Kuwata
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Publication number: 20220197183Abstract: A toner conveying apparatus includes a frame body, a conveyance member, a light transmission portion, a light emission portion, a light reception portion, and a rubbing member. The frame body forms a conveyance passage surrounded by a wall portion and is provided with a reception inlet for receiving toner from outside. The conveyance member is provided in the conveyance passage and rotates around a first rotation axis to convey the toner. The light transmission portion that is provided in the wall portion and has translucency. The light emission portion emits light toward an inside of the conveyance passage through the light transmission portion. The light reception portion receives the light emitted from the light emission portion through the light transmission portion. The rubbing member rubs on the light transmission portion by being rotated around a second rotation axis extending in a direction crossing the first rotation axis.Type: ApplicationFiled: December 10, 2021Publication date: June 23, 2022Inventors: Seiji Inada, Tsukasa Abe, Takashi Kuwata
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Patent number: 11092912Abstract: An image forming apparatus includes a photosensitive member, an intermediary transfer member, a transfer portion, a cleaning portion, and an air blowing portion. The air blowing portion blows the air toward an outer peripheral surface of the intermediary transfer member in a moving direction of the intermediary transfer member away from the transfer portion, at a position between the transfer portion and the cleaning portion with respect to a movement direction of the intermediary transfer member.Type: GrantFiled: March 24, 2020Date of Patent: August 17, 2021Assignee: Canon Kabushiki KaishaInventors: Kazuhiko Aono, Seiji Inada, Kazushi Suzuki, Atsushi Kimura
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Publication number: 20200326644Abstract: An image forming apparatus includes a photosensitive member; an intermediary transfer member, a transfer portion, a cleaning portion, and an air blowing portion. The air blowing portion blows the air toward an outer peripheral surface of the intermediary transfer member in a moving direction of the intermediary transfer member away from the transfer portion, at a position between the transfer portion and the cleaning portion in a movement direction of the intermediary transfer member.Type: ApplicationFiled: March 24, 2020Publication date: October 15, 2020Inventors: Kazuhiko Aono, Seiji Inada, Kazushi Suzuki, Atsushi Kimura
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Patent number: 10539917Abstract: A container includes a collecting portion in which toner discharged from an apparatus body is accumulated, a conveying member that conveys the toner in the collecting portion in a direction away from an intake portion provided in the collecting portion, and a movable member movable in accordance with an amount of toner in the collecting portion and that causes, when the movable member reaches a first position, a detecting portion to detect an amount of toner in the collecting portion. The movable member includes a guiding portion that guides the toner in a direction away from the first position while the toner is conveyed by the conveying member.Type: GrantFiled: November 28, 2018Date of Patent: January 21, 2020Assignee: Canon Kabushiki KaishaInventors: Seiji Inada, Chikara Imaizumi
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Publication number: 20190094790Abstract: A container includes a collecting portion in which toner discharged from an apparatus body is accumulated, a conveying member that conveys the toner in the collecting portion in a direction away from an intake portion provided in the collecting portion, and a movable member movable in accordance with an amount of toner in the collecting portion and that causes, when the movable member reaches a first position, a detecting portion to detect an amount of toner in the collecting portion. The movable member includes a guiding portion that guides the toner in a direction away from the first position while the toner is conveyed by the conveying member.Type: ApplicationFiled: November 28, 2018Publication date: March 28, 2019Inventors: Seiji Inada, Chikara Imaizumi
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Patent number: 10185256Abstract: An image forming apparatus for forming a toner image on a sheet includes a main assembly, an image forming station provided in the main assembly and configured to form a toner image on the sheet, and a fixing portion provided in the main assembly and configured to fix the toner image formed on the sheet, on the sheet, the fixing portion including a fixing rotatable member and a covering member covering the rotatable member. The image forming apparatus also includes a suction mechanism including a duct connected with an opening provided in the covering member, and a fan configured to suck air inside the covering member through the duct. The air sucked by the suction mechanism is discharged into a space in the main assembly other than a space through which the sheet passes.Type: GrantFiled: September 25, 2017Date of Patent: January 22, 2019Assignee: Canon Kabushiki KaishaInventors: Seiji Inada, Seiji Obata, Shizuma Nishimura, Michio Uchida, Yoji Oya
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Patent number: 10175634Abstract: A container includes a collecting portion in which toner discharged from an apparatus body is accumulated, a conveying member that conveys the toner in the collecting portion in a direction away from an intake portion provided in the collecting portion, and a movable member movable in accordance with an amount of toner in the collecting portion and that causes, when the movable member reaches a first position, a detecting portion to detect an amount of toner in the collecting portion. The movable member includes a guiding portion that guides the toner in a direction away from the first position while the toner is conveyed by the conveying member.Type: GrantFiled: August 9, 2017Date of Patent: January 8, 2019Assignee: Canon Kabushiki KaishaInventors: Seiji Inada, Chikara Imaizumi
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Publication number: 20180088499Abstract: An image forming apparatus for forming a toner image on a sheet, the image forming apparatus includes a main assembly; an image forming station provided in the main assembly and configured to form a toner image on the sheet; a fixing portion provided in the main assembly and configured to fix the toner image formed on the sheet, on the sheet, the fixing portion including a fixing rotatable member and a covering member covering the rotatable member; and a suction mechanism including a duct connected with an opening provided in the covering member and a fan configured to suck air inside the covering member through the duct, wherein the air sucked by the suction mechanism is discharged into a space in the main assembly other than a space through which the sheet passes.Type: ApplicationFiled: September 25, 2017Publication date: March 29, 2018Inventors: Seiji Inada, Seiji Obata, Shizuma Nishimura, Michio Uchida, Yoji Oya
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Patent number: 9869965Abstract: An image forming apparatus includes a locking mechanism that locks an opening/closing door to an engagement position, the locking mechanism having a engaged member and an urging member that urges the engaged member; and an engagement member that is provided on the door and engages the engaged member; wherein an urging force acting on the engaged member from the urging member is converted from a first urging force to press out the engagement member to a second urging force to draw the engagement member into the engagement position when the door is closed; wherein the engagement member has a contacted region and the engaged member has a contact region that comes in contact with the contacted region; and wherein the contacted region elastically deforms when the contact region comes in contact with the contacted region.Type: GrantFiled: February 15, 2017Date of Patent: January 16, 2018Assignee: Canon Kabushiki KaishaInventor: Seiji Inada
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Patent number: 9857757Abstract: A container includes a collecting portion in which toner discharged from an apparatus body is accumulated, a conveying member that conveys the toner in the collecting portion in a direction away from an intake portion provided in the collecting portion, and a movable member movable in accordance with an amount of toner in the collecting portion and that causes, when the movable member reaches a first position, a detecting portion to detect an amount of toner in the collecting portion. The movable member includes a guiding portion that guides the toner in a direction away from the first position while the toner is conveyed by the conveying member.Type: GrantFiled: July 5, 2016Date of Patent: January 2, 2018Assignee: Canon Kabushiki KaishaInventors: Seiji Inada, Chikara Imaizumi
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Publication number: 20170336752Abstract: A container includes a collecting portion in which toner discharged from an apparatus body is accumulated, a conveying member that conveys the toner in the collecting portion in a direction away from an intake portion provided in the collecting portion, and a movable member movable in accordance with an amount of toner in the collecting portion and that causes, when the movable member reaches a first position, a detecting portion to detect an amount of toner in the collecting portion. The movable member includes a guiding portion that guides the toner in a direction away from the first position while the toner is conveyed by the conveying member.Type: ApplicationFiled: August 9, 2017Publication date: November 23, 2017Inventors: Seiji Inada, Chikara Imaizumi
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Publication number: 20170255159Abstract: An image forming apparatus includes a locking mechanism that locks an opening/closing door to an engagement position, the locking mechanism having a engaged member and an urging member that urges the engaged member; and an engagement member that is provided on the door and engages the engaged member; wherein an urging force acting on the engaged member from the urging member is converted from a first urging force to press out the engagement member to a second urging force to draw the engagement member into the engagement position when the door is closed; wherein the engagement member has a contacted region and the engaged member has a contact region that comes in contact with the contacted region; and wherein the contacted region elastically deforms when the contact region comes in contact with the contacted region.Type: ApplicationFiled: February 15, 2017Publication date: September 7, 2017Inventor: Seiji Inada
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Publication number: 20170010563Abstract: A container includes a collecting portion in which toner discharged from an apparatus body is accumulated, a conveying member that conveys the toner in the collecting portion in a direction away from an intake portion provided in the collecting portion, and a movable member movable in accordance with an amount of toner in the collecting portion and that causes, when the movable member reaches a first position, a detecting portion to detect an amount of toner in the collecting portion. The movable member includes a guiding portion that guides the toner in a direction away from the first position while the toner is conveyed by the conveying member.Type: ApplicationFiled: July 5, 2016Publication date: January 12, 2017Inventors: Seiji Inada, Chikara Imaizumi
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Patent number: 9158237Abstract: An image forming apparatus includes a movable belt; a transfer member opposed to the image bearing member with the belt therebetween; wherein the transfer member has a contact surface substantially parallel with a surface of the belt and contacted to the belt, and wherein when the belt is moving, the belt rubs the contact surface, and a toner image is transferred from such a part of image bearing member as is opposed to the contact surface; and a supporting member for supporting the transfer member, the supporting member being swingable.Type: GrantFiled: October 25, 2013Date of Patent: October 13, 2015Assignee: CANON KABUSHIKI KAISHAInventors: Ichiro Yasumaru, Masaru Shimura, Seiji Inada, Yuuichirou Inaba, Akinori Takayama, Kazuhiro Doda
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Patent number: 8705989Abstract: A color electrophotographic image forming apparatus for forming an image on a recording material, wherein plurality of cartridges are detachably mounted to a main assembly of the apparatus, the color electrophotographic image forming apparatus includes a cartridge supporting member for supporting the cartridges, the cartridge supporting member being movable between an inside position which is in the main assembly the outside position which is out of the main assembly; a belt unit including a feeding belt for feeding a recording material on which the image is to be formed; and locking means for locking the cartridge supporting member and the belt unit in the state that the feeding belt and the cartridge are contacted to each other, wherein the belt unit and the cartridge supporting member in the state of being locked by the locking means are movable from the inside position to the outside position, and the feeding belt and the cartridge are capable of being spaced from each other by releasing the locking meansType: GrantFiled: February 26, 2010Date of Patent: April 22, 2014Assignee: Canon Kabushiki KaishaInventors: Koji Kawamura, Seiji Inada
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Publication number: 20140050510Abstract: An image forming apparatus includes a movable belt; a transfer member opposed to the image bearing member with the belt therebetween; wherein the transfer member has a contact surface substantially parallel with a surface of the belt and contacted to the belt, and wherein when the belt is moving, the belt rubs the contact surface, and a toner image is transferred from such a part of image bearing member as is opposed to the contact surface; and a supporting member for supporting the transfer member, the supporting member being swingable.Type: ApplicationFiled: October 25, 2013Publication date: February 20, 2014Applicant: CANON KABUSHIKI KAISHAInventors: Ichiro Yasumaru, Masaru Shimura, Seiji Inada, Yuuichirou Inaba, Akinori Takayama, Kazuhiro Doda
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Patent number: 8594546Abstract: An image forming apparatus includes a movable belt; a transfer member opposed to the image bearing member with the belt therebetween; wherein the transfer member has a contact surface substantially parallel with a surface of the belt and contacted to the belt, and wherein when the belt is moving, the belt rubs the contact surface, and a toner image is transferred from such a part of image bearing member as is opposed to the contact surface; and a supporting member for supporting the transfer member, the supporting member being swingable.Type: GrantFiled: October 17, 2012Date of Patent: November 26, 2013Assignee: Canon Kabushiki KaishaInventors: Ichiro Yasumaru, Masaru Shimura, Seiji Inada, Yuuichiro Inaba, Akinori Takayama, Kazuhiro Doda