Patents by Inventor Yohei Suzuki
Yohei Suzuki 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: 20150110538Abstract: The present invention provides a sheet storage device having a high sheet receiving performance and whose size is reduced. A point 272 of intersection of a first upper guide and a second upper guide is located upstream from a point 271 of intersection of a first lower guide and a second lower guide in a sheet conveyance direction. Thus, the size of the sheet storage device can be reduced while the sheet receiving performance remains unaffected.Type: ApplicationFiled: March 13, 2013Publication date: April 23, 2015Inventors: Daisuke Kaneko, Masayoshi Fukatsu, Hiroharu Tsuji, Yohei Suzuki, Ichiro Yasumaru
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Publication number: 20150102556Abstract: An image forming apparatus which include a sheet storage portion and a stacker portion and from which a user can easily receive a sheet is provided. The sheet storage portion which stores a sheet on which an image is formed is provided above an image forming unit 101 that forms an image on a sheet and below a stacker portion 124 on which sheets on which images are formed by the image forming unit are stacked.Type: ApplicationFiled: March 13, 2013Publication date: April 16, 2015Applicant: CANON KABUSHIKI KAISHAInventors: Hiroharu Tsuji, Masayoshi Fukatsu, Yohei Suzuki, Daisuke Kaneko
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SHEET STACKING APPARATUS, SHEET STORAGE APPARATUS AND IMAGE FORMING APPARATUS EQUIPPED WITH THE SAME
Publication number: 20150069697Abstract: A sheet stacking apparatus includes a sheet stacking unit having a stacking member, a contact member, a moving unit, and a regulating member. The contact member contacts an end portion of a sheet stacked on the stacking member. The moving unit moves the contact member from a standby position to a movement position to move the stacked sheet. The regulating member regulates, at a regulation position, a position of the stacked sheet from above, and moves from the regulation position by being pushed by the conveyed sheet. In a sheet width direction orthogonal to a direction in which the sheet is conveyed, the contact member and the regulating member are arranged at different positions, and in a thickness direction of the stacked sheet, an upper surface of the contact member located at the standby position is located above a lower surface of the regulating member located at the regulation position.Type: ApplicationFiled: September 3, 2014Publication date: March 12, 2015Inventors: Yohei Suzuki, Masayoshi Fukatsu, Hiroharu Tsuji, Daisuke Kaneko -
Patent number: 8960900Abstract: A progressive-power lens has one surface which satisfies the following expressions CY(DP)=CT(DP) CY(P)>CT(P) where CT(DP) denotes a vertical direction curvature at the distance reference point, CY(DP) denotes a horizontal direction curvature, CY(P) denotes a horizontal direction curvature at a point on the principal meridian which is located further on the near portion than the progressive start point, and CT(P) denotes a vertical direction curvature at the point.Type: GrantFiled: March 7, 2012Date of Patent: February 24, 2015Assignee: Hoya Lens Manufacturing Philippines Inc.Inventors: Kazutoshi Kato, Yohei Suzuki, Ayumu Ito, Toshihide Shinohara, Tadashi Kaga
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Publication number: 20140339764Abstract: A sheet stacking apparatus for stacking a sheet includes a plurality of sheet stacking units, each of which includes a stacking member, a pushing unit, and a drive transmission unit. The plurality of sheet stacking units are lapped over one another in a sheet thickness direction. The stacking member stacks thereon a sheet conveyed by a conveyance member. The pushing unit pushes an edge of a sheet stacked on the stacking member to move the sheet. The drive transmission unit transmits, to the pushing unit, a drive force generated by a drive source for driving the pushing unit. The drive transmission unit is located outside the stacking member in a direction perpendicular to a direction in which the pushing unit moves the sheet.Type: ApplicationFiled: May 15, 2014Publication date: November 20, 2014Applicant: CANON KABUSHIKI KAISHAInventors: Yohei Suzuki, Masayoshi Fukatsu, Hiroharu Tsuji
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Publication number: 20140339765Abstract: A sheet stacking apparatus for stacking a sheet includes a plurality of sheet stacking units, an engaging member, and a first and second moving unit. The plurality of sheet stacking units are lapped over one another in a sheet thickness direction and each includes a stacking member that stacks a sheet thereon, a contact member that contacts an edge of a sheet stacked on the stacking member, the contact member being mounted to be movable to move the sheet stacked on the stacking member, and a contact engaged member mounted to be movable integrally with the contact member. The engaging member engages with the contact engaged member. The first moving unit moves the engaging member to engage the engaging member with the contact engaged member, and moves the contact member together with the contact engaged member. The second moving unit moves the engaging member in the sheet thickness direction.Type: ApplicationFiled: May 15, 2014Publication date: November 20, 2014Applicant: CANON KABUSHIKI KAISHAInventors: Yohei Suzuki, Masayoshi Fukatsu, Hiroharu Tsuji
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Patent number: 8849178Abstract: A sheet detecting apparatus including: a sheet detecting member having a plurality of abutment surfaces in a peripheral direction thereof, the sheet detecting member being rotated by a conveyed sheet abutting against one of the plurality of abutment surfaces; a detection portion which operates in association with the sheet detecting member; a sensor which generates a signal based on a position of the detection portion; and an urging portion which generates an urging force for positioning the one of the plurality of abutment surfaces of the sheet detecting member in a waiting position in which the leading edge of a sheet conveyed by a conveying portion abuts against the one of the plurality of abutment surfaces, and thereafter the urging portion switching the urging force to an urging force for positioning, in the waiting position, another one of the plurality of abutment surfaces against which a succeeding sheet abuts.Type: GrantFiled: February 29, 2012Date of Patent: September 30, 2014Assignee: Canon Kabushiki KaishaInventors: Akira Yoshimura, Kenji Watanabe, Minoru Kawanishi, Motohiro Furusawa, Yohei Suzuki
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Publication number: 20140240662Abstract: There is provided a progressive addition lens capable of improving both of astigmatism and power error on a peripheral part of a distance area, including a distance area used for a distance vision, and other area different from the distance area, wherein at least one of an eyeball side surface of a wearer and an object side surface in the progressive addition lens is formed into an aspheric form, and when a prescription value T to be obtained from formula “S+C/2” expressed by a prescribed spherical power S and a cylindrical power C, is minus, the area where a power deviation ?D of a spherical equivalent power D from the prescription value T goes negative, exists on principal sight line in the distance area.Type: ApplicationFiled: September 27, 2012Publication date: August 28, 2014Inventor: Yohei Suzuki
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Publication number: 20140233992Abstract: An image forming apparatus includes: a fixing portion for fixing an image formed on a recording material; and a guide member for guiding the recording material. The guide member is provided at an entrance to the fixing portion and at an end portion with respect to a direction perpendicular to a feeding direction of the recording material The guide member is moved when the guide member is pushed by the recording material.Type: ApplicationFiled: February 14, 2014Publication date: August 21, 2014Applicant: CANON KABUSHIKI KAISHAInventors: Tomooku Koyama, Ken Murooka, Wataru Uchida, Jun Agata, Yohei Suzuki, Daisuke Takamura
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Publication number: 20140210163Abstract: A sheet storage apparatus for storing sheets including a sheet storage unit including a lower guide configured to guide a lower surface of the conveyed sheet, an upper guide configured to guide an upper surface of the conveyed sheet, and a shutting-off unit provided in one of the lower guide and the upper guide, configured to be movable around a rotational axis and between a shutting-off position at which a downstream end of the conveying direction of the sheet stored in the sheet storage unit is shut off and a retracting position for retracting from the shutting-off position, and a plurality of stages of sheet storage units is vertically stacked and at least a part of the shutting-off unit overlaps the rotational axis of the adjacent sheet storage unit in a vertical direction at the shutting-off position.Type: ApplicationFiled: January 27, 2014Publication date: July 31, 2014Applicant: CANON KABUSHIKI KAISHAInventors: Hiroharu Tsuji, Masayoshi Fukatsu, Yohei Suzuki, Daisuke Kaneko
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Patent number: 8777407Abstract: A progressive-power lens includes an eyeball-side surface including a distance portion and a near portion having different values of dioptric power. An intermediate portion connects the distance portion and the near portion to each other. An object-side surface of the progressive-power lens includes a first region extending along a principal meridian and having a spherical shape having first curvature, a second region facing the distance portion and having a spherical shape having second curvature equal to the first curvature, and a third region located outside the first region and below the second region and having third curvature greater than the first curvature.Type: GrantFiled: February 23, 2012Date of Patent: July 15, 2014Assignee: Hoya Lens Manufacturing Philippines Inc.Inventors: Kazutoshi Kato, Yohei Suzuki
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Patent number: 8740215Abstract: A sheet conveying apparatus, including: a first conveying portion; a second conveying portion arranged downstream of the first conveying portion; a shutter member rotated by the pressure of the sheet and including a plurality of abutment surfaces against which a leading edge of the sheet conveyed by the first conveying portion abuts to correct a skew feed of the sheet; and an urging portion which provides the shutter member with an urging force for positioning one abutment surface at an abutment position at which the leading edge of the sheet abuts against the one abutment surface, the urging portion providing the shutter member with an urging force for rotating the shutter member to position another abutment surface at the abutment position after the leading edge of the sheet is nipped by the second conveying portion.Type: GrantFiled: March 18, 2013Date of Patent: June 3, 2014Assignee: Canon Kabushiki KaishaInventors: Kenji Watanabe, Yohei Suzuki, Motohiro Furusawa, Minoru Kawanishi
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Patent number: 8684522Abstract: A progressive-power lens having an eyeball-side surface including a distance portion and a near portion having different values of dioptric power and an intermediate portion that connects the distance portion and the near portion to each other, and an object-side surface including a spherical first region having a first curvature and extending along a principal meridian, a spherical second region having a second curvature equal to the first curvature and facing the distance portion, and a third region located outside the first region and below the second region and having a third curvature smaller than the first curvature.Type: GrantFiled: March 7, 2012Date of Patent: April 1, 2014Assignee: Hoya Lens Manufacturing Philippines Inc.Inventors: Kazutoshi Kato, Yohei Suzuki
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Patent number: 8556259Abstract: A sheet conveying apparatus including, a conveying portion conveying a sheet; a rotation detection portion rotatably provided; a sensor portion detecting the conveyed sheet based on a rotational position of the rotation detection portion; a rotation transmission portion transmitting a rotational driving force to the rotation detection portion to rotate the rotation detection portion in a predetermined rotational direction after the rotation detection portion is rotated by being pushed by the leading end of the sheet; and an urging unit configured to apply an urging force to the rotation detection portion so that the rotation detection portion comes into contact with a surface of the sheet, thereafter the rotation detection portion is returned to a waiting position along with the passage of the rear end of the sheet through the rotation detection portion after the rotation detection portion is rotated by the rotational driving force of the rotation transmitting unit.Type: GrantFiled: January 25, 2013Date of Patent: October 15, 2013Assignee: Canon Kabushiki KaishaInventor: Yohei Suzuki
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Patent number: 8528899Abstract: A sheet detecting apparatus that detects a sheet has a lever member; a biasing portion that biases the lever member for a first position where the abutting surface abuts against the leading end of the sheet; a supporting mechanism that movably supports the lever member to move in an order of the first position, a second position, and a third position, while keeping a abutting surface of lever member facing upstream; an interlocking portion that interlocks with the lever member; and a detector that detects a position of the interlocking portion.Type: GrantFiled: December 29, 2011Date of Patent: September 10, 2013Assignee: Canon Kabushiki KaishaInventor: Yohei Suzuki
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Patent number: 8459642Abstract: The present invention relates to a sheet conveying apparatus, comprising: a conveying portion conveying a sheet; a shutter member having an abutting surface for abutting the sheet to correct skew feeding; a biasing member for biasing the shutter member to position at a first position where the leading end abuts against the abutting surface; and a support mechanism which movably supports the shutter member to move in an order of the first position, a second position to which the shutter member moves by the sheet against biasing from the biasing member, and a third position where the shutter member abuts the sheet and stands by to move to the first position when a trailing end of the sheet passes the shutter member, while keeping the abutting surface facing upstream.Type: GrantFiled: December 29, 2011Date of Patent: June 11, 2013Assignee: Canon Kabushiki KaishaInventor: Yohei Suzuki
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Patent number: 8439358Abstract: A sheet conveying apparatus, including: a first conveying portion; a second conveying portion arranged downstream of the first conveying portion; a shutter member rotated by the pressure of the sheet and including a plurality of abutment surfaces against which a leading edge of the sheet conveyed by the first conveying portion abuts to correct a skew feed of the sheet; and an urging portion which provides the shutter member with an urging force for positioning one abutment surface at an abutment position at which the leading edge of the sheet abuts against the one abutment surface, the urging portion providing the shutter member with an urging force for rotating the shutter member to position another abutment surface at the abutment position after the leading edge of the sheet is nipped by the second conveying portion.Type: GrantFiled: March 2, 2012Date of Patent: May 14, 2013Assignee: Canon Kabushiki KaishaInventors: Kenji Watanabe, Yohei Suzuki, Motohiro Furusawa, Minoru Kawanishi
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Patent number: 8387975Abstract: A sheet conveying apparatus including, a conveying portion conveying a sheet; a rotation detection portion rotatably provided; a sensor portion detecting the conveyed sheet based on a rotational position of the rotation detection portion; a rotation transmission portion transmitting a rotational driving force to the rotation detection portion to rotate the rotation detection portion in a predetermined rotational direction after the rotation detection portion is rotated by being pushed by the leading end of the sheet; and an urging unit configured to apply an urging force to the rotation detection portion so that the rotation detection portion comes into contact with a surface of the sheet, thereafter the rotation detection portion is returned to a waiting position along with the passage of the rear end of the sheet through the rotation detection portion after the rotation detection portion is rotated by the rotational driving force of the rotation transmitting unit.Type: GrantFiled: September 30, 2011Date of Patent: March 5, 2013Assignee: Canon Kabushiki KaishaInventor: Yohei Suzuki
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Publication number: 20120235350Abstract: A sheet conveying apparatus, including: a first conveying portion; a second conveying portion arranged downstream of the first conveying portion; a shutter member rotated by the pressure of the sheet and including a plurality of abutment surfaces against which a leading edge of the sheet conveyed by the first conveying portion abuts to correct a skew feed of the sheet; and an urging portion which provides the shutter member with an urging force for positioning one abutment surface at an abutment position at which the leading edge of the sheet abuts against the one abutment surface, the urging portion providing the shutter member with an urging force for rotating the shutter member to position another abutment surface at the abutment position after the leading edge of the sheet is nipped by the second conveying portion.Type: ApplicationFiled: March 2, 2012Publication date: September 20, 2012Applicant: CANON KABUSHIKI KAISHAInventors: Kenji Watanabe, Yohei Suzuki, Motohiro Furusawa, Minoru Kawanishi
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Publication number: 20120237280Abstract: A sheet detecting apparatus including: a sheet detecting member having a plurality of abutment surfaces in a peripheral direction thereof, the sheet detecting member being rotated by a conveyed sheet abutting against one of the plurality of abutment surfaces; a detection portion which operates in association with the sheet detecting member; a sensor which generates a signal based on a position of the detection portion; and an urging portion which generates an urging force for positioning the one of the plurality of abutment surfaces of the sheet detecting member in a waiting position in which the leading edge of a sheet conveyed by a conveying portion abuts against the one of the plurality of abutment surfaces, and thereafter the urging portion switching the urging force to an urging force for positioning, in the waiting position, another one of the plurality of abutment surfaces against which a succeeding sheet abuts.Type: ApplicationFiled: February 29, 2012Publication date: September 20, 2012Applicant: CANON KABUSHIKI KAISHAInventors: Akira Yoshimura, Kenji Watanabe, Minoru Kawanishi, Motohiro Furusawa, Yohei Suzuki