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: 10399803
    Abstract: A feeding device includes a plurality of suction units, disposed above a conveyed medium stacked on a stacker, to attract the conveyed medium. At least one of the plurality of suction units includes a rotary fan including a board and a plurality of walls extending from the board; and a driver to rotate the rotary fan. The at least one of the plurality of suction units generates a vortex air with a side of the board with the plurality of walls directed to the conveyed medium. The at least one of the plurality of suction units being a suction unit generates a vortex air.
    Type: Grant
    Filed: January 20, 2017
    Date of Patent: September 3, 2019
    Assignee: RICOH COMPANY, LTD.
    Inventors: Kyosuke Nakada, Kiyoshi Hata, Mamoru Yorimoto, Yuichiro Maeyama, Isao Matsushima, Takeshi Watanabe, Kahei Nakamura
  • Patent number: 10081506
    Abstract: A feeding device to feed a conveyed medium stacked on a stacker, includes a first suction unit, a second suction unit, and third suction units. The first suction unit includes a suction chamber; a suction fan to exhaust air from the suction chamber; and a first driver to rotate the suction fan. The suction units are disposed above the conveyed medium stacked on the stacker. The second suction unit includes a rotary fan including a board and a plurality of walls extending from the board; and a second driver to rotate the rotary fan. The second suction unit generates a vortex flow directed to the conveyed medium. The plurality of third suction units is disposed in a direction perpendicular to a conveyance direction of the conveyed medium and attracts ends of the conveyed medium in the direction perpendicular to the conveyance direction.
    Type: Grant
    Filed: January 23, 2017
    Date of Patent: September 25, 2018
    Assignee: Ricoh Company, Ltd.
    Inventors: Takeshi Watanabe, Kyosuke Nakada, Kiyoshi Hata, Mamoru Yorimoto, Yuichiro Maeyama, Isao Matsushima, Kahei Nakamura
  • Patent number: 10023423
    Abstract: 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: Grant
    Filed: January 4, 2016
    Date of Patent: July 17, 2018
    Assignee: RICOH COMPANY, LIMITED
    Inventors: Keisuke Sugiyama, Kiyoshi Hata, Atsushi Kikuchi, Tomomichi Hoshino, Makoto Hidaka, Shohichi Satoh, Satoshi Saito, Mamoru Kambayashi
  • Patent number: 9994058
    Abstract: The book binding device includes a section for forming a cut in the end side of a conveyed sheet, a control section for controlling the section for forming a cut, and a selection section for selecting each sheet for the presence/absence of a cut to be formed by the section for forming a cut, wherein the control section controls the formation of a cut by the section for forming a cut based on the presence/absence of the formation of a cut selected by the selection section, and then the mixture of sheets in which cuts are formed and sheets in which cuts are not formed are bundled and bound to complete a booklet.
    Type: Grant
    Filed: June 25, 2009
    Date of Patent: June 12, 2018
    Assignee: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.
    Inventor: Kiyoshi Hata
  • Publication number: 20170210579
    Abstract: A feeding device to feed a conveyed medium stacked on a stacker, includes a first suction unit, a second suction unit, and third suction units. The first suction unit includes a suction chamber; a suction fan to exhaust air from the suction chamber; and a first driver to rotate the suction fan. The suction units are disposed above the conveyed medium stacked on the stacker. The second suction unit includes a rotary fan including a board and a plurality of walls extending from the board; and a second driver to rotate the rotary fan. The second suction unit generates a vortex flow directed to the conveyed medium. The plurality of third suction units is disposed in a direction perpendicular to a conveyance direction of the conveyed medium and attracts ends of the conveyed medium in the direction perpendicular to the conveyance direction.
    Type: Application
    Filed: January 23, 2017
    Publication date: July 27, 2017
    Applicant: Ricoh Company, Ltd.
    Inventors: Takeshi WATANABE, Kyosuke NAKADA, Kiyoshi HATA, Mamoru YORIMOTO, Yuichiro MAEYAMA, Isao MATSUSHIMA, Kahei NAKAMURA
  • Publication number: 20170210578
    Abstract: A feeding device includes a plurality of suction units, disposed above a conveyed medium stacked on a stacker, to attract the conveyed medium. At least one of the plurality of suction units includes a rotary fan including a board and a plurality of walls extending from the board; and a driver to rotate the rotary fan. The at least one of the plurality of suction units generates a vortex air with a side of the board with the plurality of walls directed to the conveyed medium. The at least one of the plurality of suction units being a suction unit generates a vortex air.
    Type: Application
    Filed: January 20, 2017
    Publication date: July 27, 2017
    Applicant: RICOH COMPANY, LTD.
    Inventors: Kyosuke NAKADA, Kiyoshi HATA, Mamoru YORIMOTO, Yuichiro MAEYAMA, Isao MATSUSHIMA, Takeshi WATANABE, Kahei NAKAMURA
  • Patent number: 9624061
    Abstract: A sheet processing device includes a sheet processing unit that is moved to perform sheet processing on a sheet; a sheet-processing moving unit that moves the sheet processing unit; a drive-mode determining unit that determines a drive mode of the sheet-processing moving unit; and a drive control unit that drives the sheet-processing moving unit in accordance with the drive mode. The drive-mode determining unit determines the drive mode such that the sheet processing unit is moved at combination acceleration that is a combination of first acceleration and second acceleration with a shift of time that is determined based on the cycle of the natural vibration that occurs during acceleration of the sheet processing unit.
    Type: Grant
    Filed: February 1, 2016
    Date of Patent: April 18, 2017
    Assignee: Ricoh Company, Limited
    Inventors: Shingo Matsushita, Keisuke Sugiyama, Kiyoshi Hata, Takashi Saito, Akihiro Musha, Ikuhisa Okamoto, Takehisa Shimazu, Takeshi Akai, Kyosuke Nakada, Jun Yamada, Joh Ebara, Takaya Ochiai, Takuya Sano, Masatada Satoh
  • Publication number: 20160221787
    Abstract: A sheet processing device includes a sheet processing unit that is moved to perform sheet processing on a sheet; a sheet-processing moving unit that moves the sheet processing unit; a drive-mode determining unit that determines a drive mode of the sheet-processing moving unit; and a drive control unit that drives the sheet-processing moving unit in accordance with the drive mode. The drive-mode determining unit determines the drive mode such that the sheet processing unit is moved at combination acceleration that is a combination of first acceleration and second acceleration with a shift of time that is determined based on the cycle of the natural vibration that occurs during acceleration of the sheet processing unit.
    Type: Application
    Filed: February 1, 2016
    Publication date: August 4, 2016
    Applicant: Ricoh Company, Limited
    Inventors: Shingo MATSUSHITA, Keisuke SUGIYAMA, Kiyoshi HATA, Takashi SAITO, Akihiro MUSHA, Ikuhisa OKAMOTO, Takehisa SHIMAZU, Takeshi AKAI, Kyosuke NAKADA, Jun YAMADA, Joh EBARA, Takaya OCHIAI, Takuya SANO, Masatada SATOH
  • Patent number: 9387643
    Abstract: 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: Grant
    Filed: October 7, 2014
    Date of Patent: July 12, 2016
    Assignee: Ricoh Company, Ltd.
    Inventors: Shohichi Satoh, Makoto Hidaka, Satoshi Saito, Mamoru Kambayashi, Tomomichi Hoshino, Atsushi Kikuchi, Kiyoshi Hata, Keisuke Sugiyama
  • Patent number: 9359167
    Abstract: 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: Grant
    Filed: August 26, 2014
    Date of Patent: June 7, 2016
    Assignee: RICOH COMPANY, LTD.
    Inventors: Akihiro Musha, Keisuke Sugiyama, Kiyoshi Hata, Takeshi Akai, Ikuhisa Okamoto, Jun Yamada, Takao Watanabe
  • Publication number: 20160115000
    Abstract: 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: Application
    Filed: January 4, 2016
    Publication date: April 28, 2016
    Applicant: Ricoh Company, Limited
    Inventors: Keisuke SUGIYAMA, Kiyoshi HATA, Atsushi KIKUCHI, Tomomichi HOSHINO, Makoto HIDAKA, Shohichi SATOH, Satoshi SAITO, Mamoru KAMBAYASHI
  • Patent number: 9260268
    Abstract: 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: Grant
    Filed: January 10, 2014
    Date of Patent: February 16, 2016
    Assignee: RICOH COMPANY, LIMITED
    Inventors: Keisuke Sugiyama, Kiyoshi Hata, Atsushi Kikuchi, Tomomichi Hoshino, Makoto Hidaka, Shohichi Satoh, Satoshi Saito, Mamoru Kambayashi
  • Patent number: 9221648
    Abstract: 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: Grant
    Filed: August 1, 2014
    Date of Patent: December 29, 2015
    Assignee: RICOH COMPANY, LIMITED
    Inventors: Keisuke Sugiyama, Kiyoshi Hata, Takeshi Akai, Ikuhisa Okamoto, Jun Yamada, Takao Watanabe, Akihiro Musha
  • Patent number: 9187287
    Abstract: 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: Grant
    Filed: December 26, 2013
    Date of Patent: November 17, 2015
    Assignee: Ricoh Company, Limited
    Inventors: Atsushi Kikuchi, Kiyoshi Hata, Keisuke Sugiyama, Tomomichi Hoshino, Mamoru Kambayashi, Makoto Hidaka, Satoshi Saito, Shohichi Satoh
  • Patent number: 9181063
    Abstract: 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: Grant
    Filed: January 20, 2014
    Date of Patent: November 10, 2015
    Assignee: Ricoh Company, Limited
    Inventors: Tomomichi Hoshino, Kiyoshi Hata, Keisuke Sugiyama, Atsushi Kikuchi, Mamoru Kambayashi, Makoto Hidaka, Shohichi Satoh, Satoshi Saito, Takao Watanabe, Takuya Sano
  • Patent number: 9139398
    Abstract: 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: Grant
    Filed: January 10, 2014
    Date of Patent: September 22, 2015
    Assignee: Ricoh Company, LTD.
    Inventors: Kiyoshi Hata, Keisuke Sugiyama, Tomomichi Hoshino, Atsushi Kikuchi, Satoshi Saito, Makoto Hidaka, Takuya Sano, Takao Watanabe, Shohichi Satoh
  • Patent number: 9139399
    Abstract: 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: Grant
    Filed: January 14, 2014
    Date of Patent: September 22, 2015
    Assignee: Ricoh Company, Limited
    Inventors: Makoto Hidaka, Takuya Sano, Takao Watanabe, Satoshi Saito, Shohichi Satoh, Tomomichi Hoshino, Atsushi Kikuchi, Kiyoshi Hata, Keisuke Sugiyama
  • Patent number: 9126797
    Abstract: 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: Grant
    Filed: January 14, 2014
    Date of Patent: September 8, 2015
    Assignee: RICOH COMPANY, LIMITED
    Inventors: Atsushi Kikuchi, Takuya Sano, Takao Watanabe, Makoto Hidaka, Satoshi Saito, Shohichi Satoh, Tomomichi Hoshino, Kiyoshi Hata, Keisuke Sugiyama
  • Patent number: 9061859
    Abstract: 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: Grant
    Filed: January 22, 2014
    Date of Patent: June 23, 2015
    Assignee: RICOH COMPANY, LIMITED
    Inventors: Keisuke Sugiyama, Kiyoshi Hata, Atsushi Kikuchi, Tomomichi Hoshino, Makoto Hidaka, Shohichi Satoh, Satoshi Saito, Takao Watanabe, Takuya Sano
  • Patent number: 9050772
    Abstract: 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: Grant
    Filed: January 13, 2014
    Date of Patent: June 9, 2015
    Assignee: Ricoh Company, Limited
    Inventors: Makoto Hidaka, Satoshi Saito, Shohichi Satoh, Mamoru Kambayashi, Tomomichi Hoshino, Atsushi Kikuchi, Kiyoshi Hata, Keisuke Sugiyama