Patents by Inventor Kiyoshi Hata
Kiyoshi Hata 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: 9061859Abstract: A sheet processing apparatus includes: an abutting member that abuts against a sheet surface to bend a sheet; a first moving unit that moves the abutting member; a folding unit that performs a folding process on the sheet bent by the abutting member; a pressing unit that presses a folded portion of the sheet subjected to the folding process; a second moving unit that moves the pressing unit in a direction along a fold of the sheet; and a single operation unit that allows the first moving unit and the second moving unit to be operated.Type: GrantFiled: January 22, 2014Date of Patent: June 23, 2015Assignee: RICOH COMPANY, LIMITEDInventors: Keisuke Sugiyama, Kiyoshi Hata, Atsushi Kikuchi, Tomomichi Hoshino, Makoto Hidaka, Shohichi Satoh, Satoshi Saito, Takao Watanabe, Takuya Sano
-
Patent number: 9050772Abstract: A sheet processing apparatus includes: a pressing member that presses a fold part of a bundle of folded sheets so as to perform fold-enhancing; and a moving unit that moves a pressing position of the pressing member in a direction of a fold of the bundle of sheets. The moving unit starts pressing at an area located inside one end of the bundle of sheets while moving at a first velocity, and releases the pressing after passing through other end of the bundle of sheets during a forward movement, and starts pressing at an area located inside the other end of the bundle of sheets while moving at a second velocity that is higher than the first velocity, and passes through the one end of the bundle of sheets during a backward movement.Type: GrantFiled: January 13, 2014Date of Patent: June 9, 2015Assignee: Ricoh Company, LimitedInventors: Makoto Hidaka, Satoshi Saito, Shohichi Satoh, Mamoru Kambayashi, Tomomichi Hoshino, Atsushi Kikuchi, Kiyoshi Hata, Keisuke Sugiyama
-
Patent number: 9045310Abstract: A sheet processing apparatus includes: a folding unit that folds a sheet bundle; a pressing unit that presses a fold part of the sheet bundle, which has been folded by the folding unit, in a thickness direction of the sheet bundle to enhance folding of the fold part; and a moving unit that advances and returns the pressing unit in a width direction of the sheet bundle. The pressing unit starts pressing from a predetermined position in the width direction of the sheet bundle during advancing movement, and releases pressing after going past one end of the sheet bundle. The pressing unit starts pressing from the predetermined position during return movement and goes past the other end of the sheet bundle.Type: GrantFiled: September 9, 2013Date of Patent: June 2, 2015Assignee: Ricoh Comapny, LimitedInventors: Kiyoshi Hata, Keisuke Sugiyama, Atsushi Kikuchi, Tomomichi Hoshino, Mamoru Kambayashi, Shohichi Satoh, Makoto Hidaka, Satoshi Saito
-
Patent number: 9044915Abstract: A saddle stitching binding device includes an additional folding roller unit that presses a fold line portion of a folded sheet bundle and performs additional folding, and a unit movement mechanism that causes the additional folding roller unit to reciprocate in the width direction of the sheet bundle. The saddle stitching binding device further includes a sheet supporting device that is located on a movement path of the additional folding roller unit and supports the lower surface side of the sheet bundle when the sheet bundle after pressed is conveyed to the downstream side. In the saddle stitching binding device, a supporting position at which the sheet supporting device supports the sheet bundle and a retreat position at which the sheet supporting device permits the additional folding roller unit to move are set to the sheet supporting device.Type: GrantFiled: January 10, 2014Date of Patent: June 2, 2015Assignee: Ricoh Company, LimitedInventors: Tomomichi Hoshino, Kiyoshi Hata, Keisuke Sugiyama, Atsushi Kikuchi, Makoto Hidaka, Satoshi Saito, Shohichi Satoh, Takao Watanabe, Takuya Sano
-
Publication number: 20150115516Abstract: A sheet processing apparatus comprises a pressing member configured to press a fold line portion of a folded sheet bundle; and moving unit configured to move a position of pressing by the pressing member in a direction of a fold line of the folded sheet bundle, wherein the moving unit is configured to stand by at a pressing start position in which the pressing member is in a non-pressing state, before the folded sheet bundle is conveyed to the pressing member.Type: ApplicationFiled: October 7, 2014Publication date: April 30, 2015Applicant: RICOH COMPANY, LTD.Inventors: Shohichi Satoh, Makoto Hidaka, Satoshi Saito, Mamoru Kambayashi, Tomomichi Hoshino, Atsushi Kikuchi, Kiyoshi Hata, Keisuke Sugiyama
-
Publication number: 20150065326Abstract: A sheet processing device comprising: a pressing unit that presses a fold line part of a folded sheet bundle; and a moving unit that moves a pressing position of the pressing unit in a fold direction of the folded sheet bundle, wherein the pressing unit includes a pair of pressing rollers that holds the folded sheet bundle therebetween, and the pair of pressing rollers changes an angle ? between a thickness direction of the folded sheet bundle and a line connecting the rotational centers of the pressing rollers in the middle of movement.Type: ApplicationFiled: August 26, 2014Publication date: March 5, 2015Inventors: Akihiro MUSHA, Keisuke SUGIYAMA, Kiyoshi HATA, Takeshi AKAI, Ikuhisa OKAMOTO, Jun YAMADA, Takao WATANABE
-
Publication number: 20150045197Abstract: The present invention is concerning a sheet processing device comprising: a pressing unit that includes a first pressing roller arranged on one side of a thickness direction of a folded sheet bundle, and a second pressing roller and a third pressing roller arranged on the other side across a fold line part of the folded sheet bundle, and a moving unit that moves the pressing unit in a state in which each of a first line and a second line is not parallel to the thickness direction of the folded sheet bundle, the first line connecting the rotational center of the first pressing roller and the rotational center of the second pressing roller, and the second line connecting the rotational center of the first pressing roller and the rotational center of the third pressing roller.Type: ApplicationFiled: August 1, 2014Publication date: February 12, 2015Inventors: Keisuke SUGIYAMA, Kiyoshi HATA, Takeshi AKAI, Ikuhisa OKAMOTO, Jun YAMADA, Takao WATANABE, Akihiro MUSHA
-
Publication number: 20140213425Abstract: A sheet processing apparatus includes: an abutting member that abuts against a sheet surface to bend a sheet; a first moving unit that moves the abutting member; a folding unit that performs a folding process on the sheet bent by the abutting member; a pressing unit that presses a folded portion of the sheet subjected to the folding process; a second moving unit that moves the pressing unit in a direction along a fold of the sheet; and a single operation unit that allows the first moving unit and the second moving unit to be operated.Type: ApplicationFiled: January 22, 2014Publication date: July 31, 2014Applicant: RICOH COMPANY, LIMITEDInventors: Keisuke SUGIYAMA, Kiyoshi HATA, Atsushi KIKUCHI, Tomomichi HOSHINO, Makoto HIDAKA, Shohichi SATOH, Satoshi SAITO, Takao WATANABE, Takuya SANO
-
Publication number: 20140203486Abstract: A sheet processing apparatus includes a pressing unit including a first pressing member and a second pressing member. The pressing unit is configured to sandwich and press a fold part of a folded sheet bundle between the first pressing member and the second pressing member. The sheet processing apparatus also includes a moving unit configured to move a position pressed by the pressing unit in a direction of a fold of the sheet bundle. A position pressed by the first pressing member on the sheet bundle and another position pressed by the second pressing member on the sheet bundle are shifted with respect to each other in the direction of the fold of the sheet bundle.Type: ApplicationFiled: January 10, 2014Publication date: July 24, 2014Applicant: Ricoh Company, LimitedInventors: Keisuke SUGIYAMA, Kiyoshi HATA, Atsushi KIKUCHI, Tomomichi HOSHINO, Makoto HIDAKA, Shohichi SATOH, Satoshi SAITO, Mamoru KAMBAYASHI
-
Publication number: 20140206519Abstract: A sheet processing apparatus includes a pressing unit including a first pressing member and a second pressing member. The pressing unit is configured to press a fold in a folded sheet bundle by holding the fold between the first pressing member and the second pressing member. The sheet processing apparatus also includes a moving unit configured to move a pressing position of the pressing unit in a direction of the fold in the sheet bundle; and a position changing unit configured to change relative positions of the first pressing member and the second pressing member in the direction of the fold in the sheet bundle.Type: ApplicationFiled: January 20, 2014Publication date: July 24, 2014Applicant: RICOH COMPANY, LIMITEDInventors: Tomomichi HOSHINO, Kiyoshi HATA, Keisuke SUGIYAMA, Atsushi KIKUCHI, Mamoru KAMBAYASHI, Makoto HIDAKA, Shohichi SATOH, Satoshi SAITO, Takao WATANABE, Takuya SANO
-
Publication number: 20140206516Abstract: A sheet processing apparatus includes a flexure forming unit configured to flex sheets to include a portion on which no fold line is formed in a direction orthogonal to a sheet conveying direction; a first pressing member pair configured to press a flexure portion of the flexed sheets to form a fold line thereon; and a moving unit configured to move a pressing position of the first pressing member pair in the direction orthogonal to the sheet conveying direction.Type: ApplicationFiled: January 10, 2014Publication date: July 24, 2014Applicant: RICOH COMPANY, LIMITEDInventors: Kiyoshi HATA, Keisuke SUGIYAMA, Tomomichi HOSHINO, Atsushi KIKUCHI, Satoshi SAITO, Makoto HIDAKA, Takuya SANO, Takao WATANABE, Shohichi SATOH
-
Publication number: 20140203487Abstract: A saddle stitching binding device includes an additional folding roller unit that presses a fold line portion of a folded sheet bundle and performs additional folding, and a unit movement mechanism that causes the additional folding roller unit to reciprocate in the width direction of the sheet bundle. The saddle stitching binding device further includes a sheet supporting device that is located on a movement path of the additional folding roller unit and supports the lower surface side of the sheet bundle when the sheet bundle after pressed is conveyed to the downstream side. In the saddle stitching binding device, a supporting position at which the sheet supporting device supports the sheet bundle and a retreat position at which the sheet supporting device permits the additional folding roller unit to move are set to the sheet supporting device.Type: ApplicationFiled: January 10, 2014Publication date: July 24, 2014Applicant: RICOH COMPANY, LIMITEDInventors: Tomomichi HOSHINO, Kiyoshi HATA, Keisuke SUGIYAMA, Atsushi KIKUCHI, Makoto HIDAKA, Satoshi SAITO, Shohichi SATOH, Takao WATANABE, Takuya SANO
-
Publication number: 20140206517Abstract: The present invention is concerning to a sheet processing apparatus comprising: a pressing unit configured to provide additional folding to a fold line portion of a sheet bundle by pressing the fold line portion; a carriage unit configured to reciprocate the pressing unit in width directions of the sheet bundle; a guiding shaft configured to support the pressing unit and guides movement of the pressing unit; and a supporting unit configured to support the pressing unit and moves on a structure provided to the sheet processing apparatus.Type: ApplicationFiled: January 14, 2014Publication date: July 24, 2014Applicant: RICOH COMPANY, LIMITEDInventors: Atsushi KIKUCHI, Takuya SANO, Takao WATANABE, Makoto HIDAKA, Satoshi SAITO, Shohichi SATOH, Tomomichi HOSHINO, Kiyoshi HATA, Keisuke SUGIYAMA
-
Publication number: 20140203488Abstract: A sheet processing apparatus includes: a pressing member that presses a fold part of a bundle of folded sheets so as to perform fold-enhancing; and a moving unit that moves a pressing position of the pressing member in a direction of a fold of the bundle of sheets. The moving unit starts pressing at an area located inside one end of the bundle of sheets while moving at a first velocity, and releases the pressing after passing through other end of the bundle of sheets during a forward movement, and starts pressing at an area located inside the other end of the bundle of sheets while moving at a second velocity that is higher than the first velocity, and passes through the one end of the bundle of sheets during a backward movement.Type: ApplicationFiled: January 13, 2014Publication date: July 24, 2014Applicant: Ricoh Company, LimitedInventors: Makoto HIDAKA, Satoshi SAITO, Shohichi SATOH, Mamoru KAMBAYASHI, Tomomichi HOSHINO, Atsushi KIKUCHI, Kiyoshi HATA, Keisuke SUGIYAMA
-
Publication number: 20140206518Abstract: A sheet processing apparatus comprises a pressurizing unit including a first pressurizing member and a second pressurizing member; and a moving unit moving the pressurizing unit and including a driving motor, wherein the position where a sheet bundle is pressurized by the first pressurizing member and the position where the sheet bundle is pressurized by the second pressurizing member are shifted in the direction of the fold line of the sheet bundle, and a driving condition of the driving motor is changed between a first orientation in which the pressurizing unit moves in the positional relation that the first pressurizing member precedes the second pressurizing member and a second orientation in which the pressurizing member moves in the positional relation that the second pressurizing member precedes the first pressurizing member.Type: ApplicationFiled: January 14, 2014Publication date: July 24, 2014Applicant: Ricoh Company, LimitedInventors: Makoto HIDAKA, Takuya SANO, Takao WATANABE, Satoshi SAITO, Shohichi SATOH, Tomomichi HOSHINO, Atsushi KIKUCHI, Kiyoshi HATA, Keisuke SUGIYAMA
-
Publication number: 20140187407Abstract: The present invention is concerning to a sheet processing apparatus comprising: a pressing member configured to press a folding line portion of a sheet bundle being folded; and a moving unit configured to move the pressing member to a folding line direction of the sheet bundle, wherein the pressing member pressurizes a part of the sheet bundle corresponding to a downstream side of a conveyance direction of the sheet bundle.Type: ApplicationFiled: December 26, 2013Publication date: July 3, 2014Applicant: Ricoh Company, LimitedInventors: Atsushi KIKUCHI, Kiyoshi HATA, Keisuke SUGIYAMA, Tomomichi HOSHINO, Mamoru KAMBAYASHI, Makoto HIDAKA, Satoshi SAITO, Shohichi SATOH
-
Patent number: 8678369Abstract: A skew correction device for aligning a booklet that is a folded bundle of sheets on a conveying path includes a first member against which a leading end of the booklet abuts in a conveying direction; a second member configured to push a trailing end of the booklet in the conveying direction so that the leading end of the booklet abuts against the first member; and a deflection generating member configured to deflect the booklet downward when the trailing end is pushed.Type: GrantFiled: June 26, 2012Date of Patent: March 25, 2014Assignee: Ricoh Company, LimitedInventors: Makoto Hidaka, Takamasa Matsumoto, Nobuyoshi Suzuki, Kei Sasaki, Kiyoshi Hata, Shingo Matsushita, Takashi Saito, Akihiro Musha
-
Publication number: 20140077436Abstract: A sheet processing apparatus includes: a folding unit that folds a sheet bundle; a pressing unit that presses a fold part of the sheet bundle, which has been folded by the folding unit, in a thickness direction of the sheet bundle to enhance folding of the fold part; and a moving unit that advances and returns the pressing unit in a width direction of the sheet bundle. The pressing unit starts pressing from a predetermined position in the width direction of the sheet bundle during advancing movement, and releases pressing after going past one end of the sheet bundle. The pressing unit starts pressing from the predetermined position during return movement and goes past the other end of the sheet bundle.Type: ApplicationFiled: September 9, 2013Publication date: March 20, 2014Applicant: RICOH COMPANY, LIMITEDInventors: Kiyoshi HATA, Keisuke SUGIYAMA, Atsushi KIKUCHI, Tomomichi HOSHINO, Mamoru KAMBAYASHI, Shohichi SATOH, Makoto HIDAKA, Satoshi SAITO
-
Patent number: 8668193Abstract: A sheet processing apparatus includes a conveying unit that conveys a booklet formed by folding a sheet bundle; a processing unit that performs a predetermined process on the booklet; a booklet holding unit that includes first and second holding members to hold the booklet and varies a gap distance between the first and second holding members depending on a state of processing the booklet while the sheet processing unit is performing the process on the booklet; and a pressing unit that presses and fixes the booklet while the processing unit is processing the booklet.Type: GrantFiled: May 15, 2012Date of Patent: March 11, 2014Assignee: Ricoh Company, LimitedInventors: Kei Sasaki, Nobuyoshi Suzuki, Kiyoshi Hata, Shingo Matsushita, Makoto Hidaka, Takashi Saito, Takamasa Matsumoto, Akihiro Musha
-
Patent number: 8573581Abstract: A skew correction device includes: a conveying path through which a booklet formed by folding a sheet bundle is conveyed in a conveying direction; a positioning unit on which a leading-end portion of the booklet in the conveying direction is to abut, the positioning unit being arranged to be able to protrude into and retreat from the conveying path; an abutting unit that pushes a trailing-end portion of the booklet in the conveying direction, thereby moving the booklet toward the positioning unit and causing the leading-end portion of the booklet to abut on the positioning unit; and a pushing force changing unit that changes a pushing force applied by the abutting unit to the booklet to push the booklet against the positioning unit based on a pushing amount of the abutting unit to the booklet.Type: GrantFiled: June 29, 2012Date of Patent: November 5, 2013Assignee: Ricoh Company, LimitedInventors: Nobuyoshi Suzuki, Kiyoshi Hata, Kei Sasaki, Shingo Matsushita, Makoto Hidaka, Takashi Saito, Akihiro Musha, Takamasa Matsumoto