Patents by Inventor Tomoyuki Iwakoshi
Tomoyuki Iwakoshi 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: 10877417Abstract: A detecting apparatus includes: a light emitting element which emits light toward a detection material; a light receiving element which receives reflected light from the detection material; and an apparatus main body having an opening/closing member which opens and closes an opening through which light emitted from the light emitting element and reflected light from the detection material pass through, the apparatus main body being capable of moving between a first position where the apparatus main body comes into contact with the detection material and a second position where the apparatus main body separates from the detection material, and the opening/closing member being configured to open when the apparatus main body moves to the first position and to close when the apparatus main body moves to the second position.Type: GrantFiled: April 21, 2020Date of Patent: December 29, 2020Assignee: Canon Kabushiki KaishaInventors: Tomoyuki Iwakoshi, Satoshi Tsuda
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Publication number: 20200249608Abstract: A detecting apparatus includes: a light emitting element which emits light toward a detection material; a light receiving element which receives reflected light from the detection material; and an apparatus main body having an opening/closing member which opens and closes an opening through which light emitted from the light emitting element and reflected light from the detection material pass through, the apparatus main body being capable of moving between a first position where the apparatus main body comes into contact with the detection material and a second position where the apparatus main body separates from the detection material, and the opening/closing member being configured to open when the apparatus main body moves to the first position and to close when the apparatus main body moves to the second position.Type: ApplicationFiled: April 21, 2020Publication date: August 6, 2020Inventors: Tomoyuki Iwakoshi, Satoshi Tsuda
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Patent number: 10671005Abstract: A detecting apparatus includes: a light emitting element which emits light toward a detection material; a light receiving element which receives reflected light from the detection material; and an apparatus main body having an opening/closing member which opens and closes an opening through which light emitted from the light emitting element and reflected light from the detection material pass through, the apparatus main body being capable of moving between a first position where the apparatus main body comes into contact with the detection material and a second position where the apparatus main body separates from the detection material, and the opening/closing member being configured to open when the apparatus main body moves to the first position and to close when the apparatus main body moves to the second position.Type: GrantFiled: September 5, 2018Date of Patent: June 2, 2020Assignee: Canon Kabushiki KaishaInventors: Tomoyuki Iwakoshi, Satoshi Tsuda
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Publication number: 20190079438Abstract: A detecting apparatus includes: a light emitting element which emits light toward a detection material; a light receiving element which receives reflected light from the detection material; and an apparatus main body having an opening/closing member which opens and closes an opening through which light emitted from the light emitting element and reflected light from the detection material pass through, the apparatus main body being capable of moving between a first position where the apparatus main body comes into contact with the detection material and a second position where the apparatus main body separates from the detection material, and the opening/closing member being configured to open when the apparatus main body moves to the first position and to close when the apparatus main body moves to the second position.Type: ApplicationFiled: September 5, 2018Publication date: March 14, 2019Inventors: Tomoyuki Iwakoshi, Satoshi Tsuda
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Patent number: 10054878Abstract: The driving force transmission apparatus, in which on at least one of portions of a first rotary member and a second rotary member opposed to each other under a state in which a driving rotary member and a driven rotary member are opposed to each other through a first non-engaging portion, includes a non-contact portion at which the first rotary member and the second rotary member are prevented from being brought into contact with each other is formed, wherein the non-contact portion is configured to cut torque transmitted from a driven member side to the first rotary member side through the second rotary member.Type: GrantFiled: October 17, 2016Date of Patent: August 21, 2018Assignee: Canon Kabushiki KaishaInventor: Tomoyuki Iwakoshi
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Patent number: 9798282Abstract: An inclined flange roller is located outward of an end portion of a tension roller in the belt width direction. The inclined flange roller includes a flange surface capable of being in contact with the edge portion of a belt in a region in which the belt is wound around the tension roller and a roller surface capable of being in contact with an inner peripheral surface of the belt between the flange surface and an end portion of the tension roller in the belt width direction.Type: GrantFiled: June 10, 2016Date of Patent: October 24, 2017Assignee: Canon Kabushiki KaishaInventors: Tomoyuki Iwakoshi, Atsushi Ogata, Daisuke Kaneko
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Publication number: 20170131662Abstract: The driving force transmission apparatus, in which on at least one of portions of a first rotary member and a second rotary member opposed to each other under a state in which a driving rotary member and a driven rotary member are opposed to each other through a first non-engaging portion, includes a non-contact portion at which the first rotary member and the second rotary member are prevented from being brought into contact with each other is formed, wherein the non-contact portion is configured to cut torque transmitted from a driven member side to the first rotary member side through the second rotary member.Type: ApplicationFiled: October 17, 2016Publication date: May 11, 2017Inventor: Tomoyuki Iwakoshi
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Patent number: 9521282Abstract: An image forming apparatus including: a sheet feeding portion configured to feed a sheet to a sheet conveying path; an image forming portion configured to form an image on the sheet; a sheet discharging portion configured to discharge the sheet; a sheet re-conveying path configured to guide the sheet on which the image has been formed to the sheet conveying path again; an original feeding portion configured to feed an original; an original feeding path configured to guide the original to the sheet re-conveying path; an image reading portion configured to read an image of the original; an original discharging path configured to guide the original guided along the sheet re-conveying path to an original discharging portion; and an original conveying portion configured to convey the original which has been guided along the original feeding path toward the original discharging path.Type: GrantFiled: October 5, 2015Date of Patent: December 13, 2016Assignee: Canon Kabushiki KaishaInventors: Hiroshi Kato, Atsushi Ogata, Daisuke Kaneko, Kazushi Ino, Tomoyuki Iwakoshi, Ichiro Yasumaru, Masaru Aoki
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Publication number: 20160282790Abstract: An inclined flange roller is located outward of an end portion of a tension roller in the belt width direction. The inclined flange roller includes a flange surface capable of being in contact with the edge portion of a belt in a region in which the belt is wound around the tension roller and a roller surface capable of being in contact with an inner peripheral surface of the belt between the flange surface and an end portion of the tension roller in the belt width direction.Type: ApplicationFiled: June 10, 2016Publication date: September 29, 2016Inventors: Tomoyuki Iwakoshi, Atsushi Ogata, Daisuke Kaneko
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Patent number: 9400456Abstract: An inclined flange roller is located outward of an end portion of a tension roller in the belt width direction. The inclined flange roller includes a flange surface capable of being in contact with the edge portion of a belt in a region in which the belt is wound around the tension roller and a roller surface capable of being in contact with an inner peripheral surface of the belt between the flange surface and an end portion of the tension roller in the belt width direction.Type: GrantFiled: May 12, 2014Date of Patent: July 26, 2016Assignee: Canon Kabushiki KaishaInventors: Tomoyuki Iwakoshi, Atsushi Ogata, Daisuke Kaneko
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Patent number: 9395672Abstract: An image forming apparatus includes a first conveying path guiding a sheet such that the sheet passes through the image forming portion, a second conveying path guiding the sheet on which the image is formed by the image forming portion to the first conveying path. A document is fed to the second conveying path and the image forming apparatus includes a first drive transmission portion transmitting a drive force to the image forming portion and a second drive transmission portion transmitting the drive force to a document feeding portion, a conveyance portion and a document discharge portion.Type: GrantFiled: December 10, 2014Date of Patent: July 19, 2016Assignee: Canon Kabushiki KaishaInventors: Daisuke Kaneko, Ichiro Yasumaru, Atsushi Ogata, Kazushi Ino, Hiroshi Kato, Tomoyuki Iwakoshi, Masaru Aoki
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Patent number: 9256184Abstract: A rotating member provided on an end of a stretching member is rotatable around a rotating axis inclined with respect to the shaft of the stretching member. In order that, when a belt end winds around the rotating member, the belt end winds around an outer side of an entry position where the belt end enters the rotating member, an outer circumferential surface of the rotating member in an area in contact with an inner circumferential surface of the belt is inclined with respect to a belt contact surface.Type: GrantFiled: May 30, 2013Date of Patent: February 9, 2016Assignee: Canon Kabushiki KaishaInventors: Tomoyuki Iwakoshi, Atsushi Ogata, Hiroshi Kato
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Publication number: 20160028908Abstract: An image forming apparatus including: a sheet feeding portion configured to feed a sheet to a sheet conveying path; an image forming portion configured to form an image on the sheet; a sheet discharging portion configured to discharge the sheet; a sheet re-conveying path configured to guide the sheet on which the image has been formed to the sheet conveying path again; an original feeding portion configured to feed an original; an original feeding path configured to guide the original to the sheet re-conveying path; an image reading portion configured to read an image of the original; an original discharging path configured to guide the original guided along the sheet re-conveying path to an original discharging portion; and an original conveying portion configured to convey the original which has been guided along the original feeding path toward the original discharging path.Type: ApplicationFiled: October 5, 2015Publication date: January 28, 2016Inventors: Hiroshi Kato, Atsushi Ogata, Daisuke Kaneko, Kazushi Ino, Tomoyuki Iwakoshi, Ichiro Yasumaru, Masaru Aoki
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Patent number: 9203994Abstract: An image forming apparatus including: a sheet feeding portion configured to feed a sheet to a sheet conveying path; an image forming portion configured to form an image on the sheet; a sheet discharging portion configured to discharge the sheet; a sheet re-conveying path configured to guide the sheet on which the image has been formed to the sheet conveying path again; an original feeding portion configured to feed an original; an original feeding path configured to guide the original to the sheet re-conveying path; an image reading portion configured to read an image of the original; an original discharging path configured to guide the original guided along the sheet re-conveying path to an original discharging portion; and an original conveying portion configured to convey the original which has been guided along the original feeding path toward the original discharging path.Type: GrantFiled: May 7, 2013Date of Patent: December 1, 2015Assignee: Canon Kabushiki KaishaInventors: Hiroshi Kato, Atsushi Ogata, Daisuke Kaneko, Kazushi Ino, Tomoyuki Iwakoshi, Ichiro Yasumaru, Masaru Aoki
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Patent number: 9137403Abstract: An image forming apparatus includes a first conveying path which connects between a sheet feed portion and a sheet discharging portion, and on which a image forming portion is arranged. The image forming apparatus further includes a second conveying path configured to guide the sheet on which the image has been formed on one surface thereof by the image forming portion to the first conveying path again, a document conveying path, and a reading portion. The document conveying path includes a document feeding path, a document discharging path, and a common conveying path which serves as at least a part of the second conveying path, and guides the document from a document feed portion to a document discharging portion through the document feeding path, the common conveying path and the document discharging path without causing the document to pass through the image forming position. The reading portion reads a first face and a second face of the document which is fed from the document feed portion.Type: GrantFiled: April 15, 2014Date of Patent: September 15, 2015Assignee: Canon Kabushiki KaishaInventors: Atsushi Ogata, Ichiro Yasumaru, Kazushi Ino, Hiroshi Kato, Daisuke Kaneko, Tomoyuki Iwakoshi, Hiroto Endo
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Patent number: 9071712Abstract: An image forming apparatus includes a sheet feed portion configured to feed a sheet, an image forming portion configured to form an image on the sheet, a first conveying path configured to guide the sheet fed from the sheet feed portion such that the sheet passes through the image forming portion, a second conveying path configured to guide the sheet on which the image has been formed on one surface thereof by the image forming portion to the first conveying path again, a document feed portion configured to feed a document to the second conveying path, an image reading portion configured to read an image of the document fed by the document feed portion, and a control portion configured to control the sheet feed portion and the document feed portion such that the document and the sheet are conveyed on the second conveying path in a sequence in which the document and the sheet are mixed in a case where an operation of forming images respectively on both surfaces of a plurality of sheets overlaps with an operatiType: GrantFiled: April 15, 2014Date of Patent: June 30, 2015Assignee: Canon Kabushiki KaishaInventors: Kazushi Ino, Ichiro Yasumaru, Atsushi Ogata, Daisuke Kaneko, Tomoyuki Iwakoshi, Masaru Aoki, Hiroshi Kato
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Publication number: 20150109645Abstract: An image forming apparatus including: a sheet feeding portion configured to feed a sheet to a sheet conveying path; an image forming portion configured to form an image on the sheet; a sheet discharging portion configured to discharge the sheet; a sheet re-conveying path configured to guide the sheet on which the image has been formed to the sheet conveying path again; an original feeding portion configured to feed an original; an original feeding path configured to guide the original to the sheet re-conveying path; an image reading portion configured to read an image of the original; an original discharging path configured to guide the original guided along the sheet re-conveying path to an original discharging portion; and an original conveying portion configured to convey the original which has been guided along the original feeding path toward the original discharging path.Type: ApplicationFiled: May 7, 2013Publication date: April 23, 2015Inventors: Hiroshi Kato, Atsushi Ogata, Daisuke Kaneko, Kazushi Ino, Tomoyuki Iwakoshi, Ichiro Yasumaru, Masaru Aoki
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Publication number: 20150098742Abstract: An image forming apparatus includes a first conveying path guiding a sheet such that the sheet passes through the image forming portion, a second conveying path guiding the sheet on which the image is formed by the image forming portion to the first conveying path. A document is fed to the second conveying path and the image forming apparatus includes a first drive transmission portion transmitting a drive force to the image forming portion and a second drive transmission portion transmitting the drive force to a document feeding portion, a conveyance portion and a document discharge portion.Type: ApplicationFiled: December 10, 2014Publication date: April 9, 2015Inventors: Daisuke Kaneko, Ichiro Yasumaru, Atsushi Ogata, Kazushi Ino, Hiroshi Kato, Tomoyuki Iwakoshi, Masaru Aoki
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Patent number: 8995028Abstract: A reading apparatus including: a first conveyance path in which a sheet is conveyed; a second conveyance path different from the first conveyance path, the second conveyance path allowing the sheet switched back after having passed through the first conveyance path to be conveyed therein; a reading unit configured to read the sheet, the reading unit being movable to a first position where a first surface of the sheet in the first conveyance path is read, a second position where a second surface as a back surface of the first surface of the sheet in the second conveyance path is read, and a third position different from the first position and the second position; and a reference portion that the reading unit reads for correcting information read by the reading unit, the reference portion being read by the reading unit moved to the third position.Type: GrantFiled: May 3, 2013Date of Patent: March 31, 2015Assignee: Canon Kabushiki KaishaInventors: Hiroshi Kato, Ichiro Yasumaru, Atsushi Ogata, Kazushi Ino, Tomoyuki Iwakoshi, Daisuke Kaneko, Masaru Aoki
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Patent number: 8964271Abstract: An image forming apparatus has a first conveying path guiding a sheet such that the sheet passes through the image forming portion, a second conveying path guiding the sheet on which the image is formed by the image forming portion to the first conveying path. A document is fed to the second conveying path and the image forming apparatus has a first drive transmission portion transmitting a drive force to the image forming portion and a second drive transmission portion transmitting the drive force to a document feeding portion, a conveyance portion and a document discharge portion.Type: GrantFiled: April 15, 2014Date of Patent: February 24, 2015Assignee: Canon Kabushiki KaishaInventors: Daisuke Kaneko, Ichiro Yasumaru, Atsushi Ogata, Kazushi Ino, Hiroshi Kato, Tomoyuki Iwakoshi, Masaru Aoki