Patents by Inventor Yuusuke Shibasaki
Yuusuke Shibasaki 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).
-
Patent number: 9440478Abstract: A paper binding device comprises: a pair of binding members that has a pair of teeth portions, and presses to bind a bundle of paper sheets; a moving unit that causes one of the pair of binding members to move along with the other of the pair of binding members between a binding position at which the bundle of paper sheets is bound and a retracted position; a separating unit that moves coordinating with movement of the one of the pair of binding members, and when the one of the pair of binding members moves from the binding position to the retracted position, that contacts with the bundle of the paper sheets and causes the bundle of paper sheets to separate from the one of the pair of binding members; and a restricting member that stops the separating unit at a restricting position between the binding position and the retracted position, when the one of the pair of the binding members moves from the binding position to the retracted position.Type: GrantFiled: September 4, 2014Date of Patent: September 13, 2016Assignee: RICOH COMPANY, LIMITEDInventors: Wataru Takahashi, Nobuyoshi Suzuki, Katsuhiro Kosuge, Hidehiko Fujiwara, Makoto Hidaka, Yuusuke Shibasaki, Takuya Morinaga, Ryuji Yoshida
-
Patent number: 9415560Abstract: A sheet processing apparatus includes: a sheet fastening unit of a pressing fastener method in which a bundle of sheets is fastened by using a pair of pressing fastener members; a conveying unit that conveys the bundle of sheets that are fastened by the sheet fastening unit; a separating unit that, after the sheet fastening unit performs a fastening operation on the bundle of sheets, moves both one and the other pressing fastener members, between which the bundle of sheets is interposed, so as to separate a sheet that adheres to the pressing fastener member; and a control unit that, after the separating unit finishes an operation to separate the sheet, controls the conveying unit so as to convey the bundle of sheets that are fastened by the sheet fastening unit.Type: GrantFiled: June 12, 2014Date of Patent: August 16, 2016Assignee: RICOH COMPANY, LTD.Inventors: Takuya Morinaga, Nobuyoshi Suzuki, Katsuhiro Kosuge, Yuusuke Shibasaki, Ryuji Yoshida, Wataru Takahashi, Takashi Saito, Akihiro Musha, Ikuhisa Okamoto, Shingo Matsushita
-
Patent number: 9315356Abstract: According to an aspect of an embodiment, a sheet processing apparatus includes: a conveying unit configured to convey sheets; a stacking unit configured to stack the conveyed sheets to form a sheet stack; and a binding unit configured to include a pair of toothed jaw and bind the sheet stack by pressing the sheet stack between the pair of toothed jaw, wherein at least one portion of edges of the toothed jaw is rounded.Type: GrantFiled: November 6, 2013Date of Patent: April 19, 2016Assignee: Ricoh Company, Ltd.Inventors: Ryuji Yoshida, Nobuyoshi Suzuki, Shingo Matsushita, Katsuhiro Kosuge, Yuusuke Shibasaki, Wataru Takahashi, Takashi Saito, Akihiro Musha, Takuya Morinaga, Ikuhisa Okamoto, Nagayasu Yoshida, Hirotaka Hayashi
-
Patent number: 9316986Abstract: A recording medium discharging device includes a discharging unit configured to discharge a recording medium from a discharge port; a tray unit on which the recording medium discharged from the discharging unit is stacked; and an air blower configured to blow air in a direction substantially parallel to a direction in which the recording medium is discharged.Type: GrantFiled: May 20, 2015Date of Patent: April 19, 2016Assignee: Ricoh Company, LimitedInventors: Shuuya Nagasako, Masahiro Tamura, Tomohiro Furuhashi, Keisuke Sugiyama, Yuusuke Shibasaki, Kyosuke Nakada, Kazuya Yamamoto, Junya Suzuki, Kazunori Konno, Yasuo Niikura, Tomomichi Hoshino, Akira Kunieda, Takahiro Watanabe, Tomohiro Yoshizaki, Kiichiro Goto
-
Patent number: 9254621Abstract: The present invention is concerning a method for attaching a pair of crimping members in a sheet binding device that binds a sheet bundle by engagement of the pair of crimping members, wherein at least one of the crimping members is attached to a member to which the one of the crimping members is to be attached in a state where the pair of crimping members is in engagement.Type: GrantFiled: July 15, 2014Date of Patent: February 9, 2016Assignee: RICOH COMPANY, LIMITEDInventors: Wataru Takahashi, Nobuyoshi Suzuki, Shingo Matsushita, Katsuhiro Kosuge, Yuusuke Shibasaki, Ryuji Yoshida, Takashi Saito, Akihiro Musha, Takuya Morinaga, Ikuhisa Okamoto
-
Publication number: 20150360899Abstract: A sheet processing device is for binding sheets together. The sheet processing device includes binding units differing from each other in maximum sheet count, the maximum sheet count being a maximum number of sheets that can be bound at a time; a sheet tray configured to hold sheets until all to-be-bound sheets are placed therein, the number of the to-be-bound sheets being a largest one of the maximum sheet counts of the binding units or smaller; and a stacked-sheet-count limiting unit situated in a thickness direction of the sheets held in the sheet tray. The stacked-sheet-count limiting unit is configured to limit the number of sheets held in the sheet tray by varying a distance from a sheet support surface of the sheet tray on which the sheets are placed, depending on one of the binding units by which the sheets held in the sheet tray are to be bound.Type: ApplicationFiled: June 1, 2015Publication date: December 17, 2015Applicant: RICOH COMPANY, LIMITEDInventors: Wataru TAKAHASHI, Katsuhiro KOSUGE, Nobuyoshi SUZUKI, Hidehiko FUJIWARA, Yuusuke SHIBASAKI, Koki SAKANO, Takuya MORINAGA
-
Patent number: 9162839Abstract: A sheet processing apparatus includes: a loading tray on which a sheet is loaded; a pair of ejection rollers that eject the sheet to the loading tray and in which a pair or roller members are configured to be able to contact with and separate from each other; a pair of shift rollers that is provided upstream of the pair of ejection rollers in a sheet conveyance direction, are movable in a sheet width direction that is a direction perpendicular to the sheet conveyance direction, convey the sheet towards the loading tray, and performs a shift operation of shifting the sheet to a different position in the sheet width direction; and a control unit that performs control to change, based on sheet information, a shift operation timing of the sheet by the pair of shift rollers and a contacting and separating timing of the pair of ejection rollers.Type: GrantFiled: September 29, 2014Date of Patent: October 20, 2015Assignee: Ricoh Company, Ltd.Inventors: Ryuji Yoshida, Nobuyoshi Suzuki, Yuusuke Shibasaki, Katsuhiro Kosuge, Hidehiko Fujiwara, Makoto Hidaka, Wataru Takahashi, Takuya Morinaga
-
Publication number: 20150253716Abstract: A recording medium discharging device includes a discharging unit configured to discharge a recording medium from a discharge port; a tray unit on which the recording medium discharged from the discharging unit is stacked; and an air blower configured to blow air in a direction substantially parallel to a direction in which the recording medium is discharged.Type: ApplicationFiled: May 20, 2015Publication date: September 10, 2015Applicant: RICOH COMPANY, LIMITEDInventors: Shuuya NAGASAKO, Masahiro TAMURA, Tomohiro FURUHASHI, Keisuke SUGIYAMA, Yuusuke SHIBASAKI, Kyosuke NAKADA, Kazuya YAMAMOTO, Junya SUZUKI, Kazunori KONNO, Yasuo NIIKURA, Tomomichi HOSHINO, Akira KUNIEDA, Takahiro WATANABE, Tomohiro YOSHIZAKI, Kiichiro GOTO
-
Patent number: 9102492Abstract: A sheet processing apparatus includes a conveyance unit to transport a sheet bundle including multiple sheets in a sheet conveyance direction and a binding device including a clamping unit. The clamping unit includes multiple projections and multiple recesses to engage the respective projections to clamp the sheet bundle inserted therebetween. At least one of the multiple projections includes an inclined portion facing a sheet conveyance direction, and an inclination of the inclined portion is 45 degrees or smaller relative to a face parallel to the sheet conveyance direction.Type: GrantFiled: April 15, 2013Date of Patent: August 11, 2015Assignee: RICOH COMPANY, LTD.Inventors: Takashi Saito, Katsuhiro Kosuge, Shingo Matsushita, Yuusuke Shibasaki, Satoshi Saito, Makoto Hidaka, Akihiro Musha, Takuya Morinaga, Ikuhisa Okamoto, Shohichi Satoh, Nobuyoshi Suzuki
-
Patent number: 9096091Abstract: A postprocessing apparatus includes a stacking unit that stacks a sheet, an abutting unit that corrects a conveying direction of the sheet, a return roller that abuts the sheet against the abutting unit, a shift conveying unit that shifts the sheet in a width direction, and a width direction detector that detects a width direction position of the sheet. When the sheet is shifted by the shift conveying unit by a predetermined amount, passed to the return roller, and abutted against the abutting unit, distances A and B are nearly the same, where the distance A is a distance from a conveying direction position of a side of the sheet to a rear end of the sheet and the distance B is a distance from the return roller to the abutting unit.Type: GrantFiled: November 27, 2013Date of Patent: August 4, 2015Assignee: Ricoh Company, LimitedInventors: Yuusuke Shibasaki, Nobuyoshi Suzuki, Katsuhiro Kosuge, Takashi Saito, Shingo Matsushita, Akihiro Musha, Ikuhisa Okamoto, Wataru Takahashi, Takuya Morinaga, Ryuji Yoshida
-
Patent number: 9090051Abstract: A sheet binding device binds a sheet bundle by causing a movable-crimping-member moving unit to move a movable crimping member thereby holding a sheet bundle between crimping members. The movable-crimping-member moving unit includes: a link mechanism that includes a first link member rotatably connected to the movable crimping member, a second link member rotatably connected to a fixed member fixed to a device body and connected to the first link member through a connecting part; a connecting member rotatably connected to the connecting part, and capable of moving between a first position causing the link mechanism to be extended and a second position causing the link mechanism to be more flexed than in the first position; and a connecting-member moving unit that includes a rotary member capable of rotating on a displaceable rotating shaft, and reciprocates the connecting member by rotation of the rotary member in one direction.Type: GrantFiled: January 23, 2014Date of Patent: July 28, 2015Assignee: RICOH COMPANY, LIMITEDInventors: Wataru Takahashi, Nobuyoshi Suzuki, Yuusuke Shibasaki, Ryuji Yoshida, Takashi Saito, Akihiro Musha, Katsuhiro Kosuge, Shingo Matsushita, Takuya Morinaga, Ikuhisa Okamoto
-
Patent number: 9075377Abstract: A recording medium discharging device includes a discharging unit configured to discharge a recording medium from a discharge port; a tray unit on which the recording medium discharged from the discharging unit is stacked; and an air blower configured to blow air in a direction substantially parallel to a direction in which the recording medium is discharged.Type: GrantFiled: February 28, 2013Date of Patent: July 7, 2015Assignee: Ricoh Company, LimitedInventors: Shuuya Nagasako, Masahiro Tamura, Tomohiro Furuhashi, Keisuke Sugiyama, Yuusuke Shibasaki, Kyosuke Nakada, Kazuya Yamamoto, Junya Suzuki, Kazunori Konno, Yasuo Niikura, Tomomichi Hoshino, Akira Kunieda, Takahiro Watanabe, Tomohiro Yoshizaki, Kiichiro Goto
-
Patent number: 9010753Abstract: A sheet processing apparatus including a stacking tray that stacks sheets, a conveying member that conveys a sheet to the stacking tray and discharges the sheet bundle from the stacking tray, wherein the conveying member includes a conveying roller and a conveying belt stretched by a plurality of stretch rollers, and a sheet processor that performs predetermined processing to the sheet bundle. When the conveying member conveys the sheet to the stacking tray, a part of the conveying belt that is not wound on the stretch roller contacts the conveying roller by moving the conveying belt as such a nip for conveying the sheet is formed. When the conveying member discharges the sheet bundle from the stacking tray, a part of the conveying belt that is wound on the stretch roller contacts the conveying roller by moving the conveying belt so that a nip for conveying the sheet is formed.Type: GrantFiled: May 15, 2014Date of Patent: April 21, 2015Assignee: Ricoh Company, Ltd.Inventors: Yuusuke Shibasaki, Nobuyoshi Suzuki, Shingo Matsushita, Katsuhiro Kosuge, Ryuji Yoshida, Wataru Takahashi, Takashi Saito, Akihiro Musha, Takuya Morinaga, Ikuhisa Okamoto
-
Publication number: 20150091246Abstract: A sheet processing apparatus includes: a loading tray on which a sheet is loaded; a pair of ejection rollers that eject the sheet to the loading tray and in which a pair or roller members are configured to be able to contact with and separate from each other; a pair of shift rollers that is provided upstream of the pair of ejection rollers in a sheet conveyance direction, are movable in a sheet width direction that is a direction perpendicular to the sheet conveyance direction, convey the sheet towards the loading tray, and performs a shift operation of shifting the sheet to a different position in the sheet width direction; and a control unit that performs control to change, based on sheet information, a shift operation timing of the sheet by the pair of shift rollers and a contacting and separating timing of the pair of ejection rollers.Type: ApplicationFiled: September 29, 2014Publication date: April 2, 2015Applicant: RICOH COMPANY, LTD.Inventors: Ryuji Yoshida, Nobuyoshi Suzuki, Yuusuke Shibasaki, Katsuhiro Kosuge, Hidehiko Fujiwara, Makoto Hidaka, Wataru Takahashi, Takuya Morinaga
-
Publication number: 20150093214Abstract: A paper binding device comprises: a pair of binding members that has a pair of teeth portions, and presses to bind a bundle of paper sheets; a moving unit that causes one of the pair of binding members to move along with the other of the pair of binding members between a binding position at which the bundle of paper sheets is bound and a retracted position; a separating unit that moves coordinating with movement of the one of the pair of binding members, and when the one of the pair of binding members moves from the binding position to the retracted position, that contacts with the bundle of the paper sheets and causes the bundle of paper sheets to separate from the one of the pair of binding members; and a restricting member that stops the separating unit at a restricting position between the binding position and the retracted position, when the one of the pair of the binding members moves from the binding position to the retracted position.Type: ApplicationFiled: September 4, 2014Publication date: April 2, 2015Applicant: Ricoh Company, LimitedInventors: Wataru TAKAHASHI, Nobuyoshi SUZUKI, Katsuhiro KOSUGE, Hidehiko FUJIWARA, Makoto HIDAKA, Yuusuke SHIBASAKI, Takuya MORINAGA, Ryuji YOSHIDA
-
Patent number: 8991808Abstract: A sheet processing apparatus includes a pair of squeezing members having a projection and a recess to engage each other, to squeeze a sheet bundle inserted therebetween in a direction of thickness of the sheet bundle, and a pressure applying unit to apply pressing force to the squeezing members to squeeze and bind the sheet bundle. The pressing force generated between the squeezing members by the pressure applying unit increases in strength as a relative distance between the squeezing members decreases.Type: GrantFiled: April 26, 2013Date of Patent: March 31, 2015Assignee: Ricoh Company, Ltd.Inventors: Nobuyoshi Suzuki, Yuusuke Shibasaki, Shingo Matsushita, Takuya Morinaga, Makoto Hidaka, Takashi Saito, Satoshi Saito, Akihiro Musha, Shohichi Satoh, Ikuhisa Okamoto, Katsuhiro Kosuge
-
Publication number: 20150076759Abstract: A sheet binding device includes: a pair of crimping members each including alternately-arranged multiple recesses and multiple protrusions to bind a sheaf of sheets by fitting the recesses and the protrusions with the sheet sheaf interposed therebetween. When the recesses and the protrusions of the pair of crimping members are fitted, slanted side faces of the protrusions of one of the pair of crimping members and that of the other one of the pair of crimping members are in contact with each other with a clearance left both between top portions of the protrusions of the one of the crimping members and bottom portions of the recesses of the other one of the crimping members and between top portions of the protrusions of the other one of the crimping members and bottom portions of the recesses of the one of the crimping members.Type: ApplicationFiled: August 25, 2014Publication date: March 19, 2015Applicant: Ricoh Company, Ltd.Inventors: Katsuhiro Kosuge, Nobuyoshi Suzuki, Shingo Matsushita, Wataru Takahashi, Yuusuke Shibasaki, Ryuji Yoshida, Takashi Saito, Akihiro Musha, Takuya Morinaga, Ikuhisa Okamoto
-
Publication number: 20150030414Abstract: The present invention is concerning a method for attaching a pair of crimping members in a sheet binding device that binds a sheet bundle by engagement of the pair of crimping members, wherein at least one of the crimping members is attached to a member to which the one of the crimping members is to be attached in a state where the pair of crimping members is in engagement.Type: ApplicationFiled: July 15, 2014Publication date: January 29, 2015Applicant: RICOH COMPANY, LIMITEDInventors: Wataru TAKAHASHI, Nobuyoshi SUZUKI, Shingo MATSUSHITA, Katsuhiro KOSUGE, Yuusuke SHIBASAKI, Ryuji YOSHIDA, Takashi SAITO, Akihiro MUSHA, Takuya MORINAGA, Ikuhisa OKAMOTO
-
Publication number: 20150028540Abstract: A sheet processing apparatus including a stacking tray that stacks sheets, a conveying member that conveys a sheet to the stacking tray and discharges the sheet bundle from the stacking tray, wherein the conveying member includes a conveying roller and a conveying belt stretched by a plurality of stretch rollers, and a sheet processor that performs predetermined processing to the sheet bundle. When the conveying member conveys the sheet to the stacking tray, a part of the conveying belt that is not wound on the stretch roller contacts the conveying roller by moving the conveying belt as such a nip for conveying the sheet is formed. When the conveying member discharges the sheet bundle from the stacking tray, a part of the conveying belt that is wound on the stretch roller contacts the conveying roller by moving the conveying belt so that a nip for conveying the sheet is formed.Type: ApplicationFiled: May 15, 2014Publication date: January 29, 2015Inventors: Yuusuke SHIBASAKI, Nobuyoshi Suzuki, Shingo Matsushita, Katsuhiro Kosuge, Ryuji Yoshida, Wataru Takahashi, Takashi Saito, Akihiro Musha, Takuya Morinaga, Ikuhisa Okamoto
-
Patent number: 8931773Abstract: A sheet handling apparatus includes a sheet folding unit configured to perform folding on a sheet; and a sheet stacking unit configured to stack the folded sheet on a sheet stacking surface having an inclined surface and a horizontal surface in order from upstream to downstream in a sheet conveying direction. A downstream end of the inclined surface is higher than an upstream end of the inclined surface with respect to a horizontal plane. The sheet handling apparatus also includes a discharging unit configured to discharge the folded sheet to the sheet stacking unit; a sheet conveying unit configured to convey the discharged sheet from the inclined surface to the horizontal surface; and a conveying force applying unit configured to apply a conveying force to the sheet in contact with an upper surface of the sheet from above the inclined surface.Type: GrantFiled: November 29, 2012Date of Patent: January 13, 2015Assignee: Ricoh Company, LimitedInventors: Keisuke Sugiyama, Masahiro Tamura, Shuuya Nagasako, Tomohiro Furuhashi, Yuusuke Shibasaki, Kazuya Yamamoto, Kyosuke Nakada, Tomomichi Hoshino, Yasuo Niikura, Junya Suzuki, Kazunori Konno, Akira Kunieda, Takahiro Watanabe, Tomohiro Yoshizaki, Kiichiro Goto