Patents by Inventor Hideki Oiwa

Hideki Oiwa 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: 11052630
    Abstract: A sheet processor subjecting a sheet having been conveyed forward to processing along a direction perpendicular to a conveyance direction of the sheet, includes: a processing unit performing the processing; and a receiving unit receiving the processing unit therein in a state capable of perfecting the processing on the sheet, and the processing unit includes a first processing tool 4A and a second processing tool 4B disposed to vertically oppose each other with a conveyance surface of the sheet disposed therebetween, and the receiving unit includes at least one receiver that removably receives the first processing tool 4A and the second processing tool 4B in the state capable of performing the processing on the sheet, with arbitrarily selected one of the first processing tool 4A and the second processing tool 4B disposed above the conveyance surface, and with arbitrarily selected another of the first processing tool 4A and the second processing tool 4B disposed below the conveyance surface.
    Type: Grant
    Filed: May 22, 2018
    Date of Patent: July 6, 2021
    Assignee: DUPLO SEIKO CORPORATION
    Inventors: Hideki Oiwa, Yasuhiro Tanaka, Masayasu Matsumoto, Takuya Tashiro
  • Patent number: 10850414
    Abstract: A sheet material processing device 3 for performing processing on a having-been-conveyed sheet material along a direction perpendicular to the conveyance direction of the sheet material, includes: a blade member 4 including an upper blade part 42 and a lower blade part 41 that extend in the perpendicular direction and then pressing both blade parts 41 and 42 to each other so as to perform predetermined processing on the sheet material located between both blade parts; a pressing mechanism 5 for pressing both blade parts to each other; and a moving mechanism 6 for moving the blade member in the perpendicular direction, wherein in the upper blade part 42, a processing blade 421 is formed at one or more sites in the perpendicular direction, and wherein in the lower blade part 41, a receiving part for the processing blade is formed over the section facing the processing blade 421.
    Type: Grant
    Filed: May 20, 2016
    Date of Patent: December 1, 2020
    Assignee: DUPLO SEIKO CORPORATION
    Inventor: Hideki Oiwa
  • Patent number: 10442653
    Abstract: The apparatus includes: a conveyance directional processing part for performing processing along the conveyance direction onto the sheet, the conveyance directional processing part being constructed such that at the same position in the conveyance direction, a plurality of processing machines of two or more types are aligned in a width direction perpendicular to the conveyance direction and provided in a freely attachable and detachable manner; a condition input part through which processing conditions in the conveyance directional processing part are inputted; a display part for displaying the processing conditions; and a processing machine selection control part for acquiring types and arrangement of the processing machines to be provided in the conveyance directional processing part such that the processing conditions may be satisfied and then displaying the acquired types and arrangement on the display part.
    Type: Grant
    Filed: September 7, 2017
    Date of Patent: October 15, 2019
    Assignee: Duplo Seiko Corporation
    Inventors: Hideki Oiwa, Tomoyuki Nagayama, Akane Tokutake
  • Patent number: 10272583
    Abstract: A slitter comprising: an upper rotary blade; a lower rotary blade; an upper housing for holding the upper rotary blade; and a lower housing for holding the lower rotary blade, the slitter being constructed such that the both rotary blades revolve in a manner that a tip on a cutting surface side of the upper rotary blade and a tip on a cutting surface side of the lower rotary blade are rubbed together so that a sheet passing through between the both rotary blades is cut, wherein the upper rotary blade is cantilevered on the cutting surface side by a cantilevered supporting part and the lower rotary blade is cantilevered on a non-cutting surface side by a cantilevered supporting part.
    Type: Grant
    Filed: September 7, 2017
    Date of Patent: April 30, 2019
    Assignee: DUPLO SEIKO CORPORATION
    Inventors: Hideki Oiwa, Masayasu Matsumoto, Taichi Yamaguchi
  • Publication number: 20180339483
    Abstract: A sheet processor subjecting a sheet having been conveyed forward to processing along a direction perpendicular to a conveyance direction of the sheet, includes: a processing unit performing the processing; and a receiving unit receiving the processing unit therein in a state capable of perfecting the processing on the sheet, and the processing unit includes a first processing tool 4A and a second processing tool 4B disposed to vertically oppose each other with a conveyance surface of the sheet disposed therebetween, and the receiving unit includes at least one receiver that removably receives the first processing tool 4A and the second processing tool 4B in the state capable of performing the processing on the sheet, with arbitrarily selected one of the first processing tool 4A and the second processing tool 4B disposed above the conveyance surface, and with arbitrarily selected another of the first processing tool 4A and the second processing tool 4B disposed below the conveyance surface.
    Type: Application
    Filed: May 22, 2018
    Publication date: November 29, 2018
    Applicant: DUPLO SEIKO CORPORATION
    Inventors: Hideki OIWA, Yasuhiro TANAKA, Masayasu MATSUMOTO, Takuya TASHIRO
  • Publication number: 20180079617
    Abstract: The apparatus includes: a conveyance directional processing part for performing processing along the conveyance direction onto the sheet, the conveyance directional processing part being constructed such that at the same position in the conveyance direction, a plurality of processing machines of two or more types are aligned in a width direction perpendicular to the conveyance direction and provided in a freely attachable and detachable manner; a condition input part through which processing conditions in the conveyance directional processing part are inputted; a display part for displaying the processing conditions; and a processing machine selection control part for acquiring types and arrangement of the processing machines to be provided in the conveyance directional processing part such that the processing conditions may be satisfied and then displaying the acquired types and arrangement on the display part.
    Type: Application
    Filed: September 7, 2017
    Publication date: March 22, 2018
    Applicant: Duplo Seiko Corporation
    Inventors: Hideki OIWA, Tomoyuki NAGAYAMA, Akane TOKUTAKE
  • Publication number: 20180079097
    Abstract: A slitter comprising: an upper rotary blade; a lower rotary blade; an upper housing for holding the upper rotary blade; and a lower housing for holding the lower rotary blade, the slitter being constructed such that the both rotary blades revolve in a manner that a tip on a cutting surface side of the upper rotary blade and a tip on a cutting surface side of the lower rotary blade are rubbed together so that a sheet passing through between the both rotary blades is cut, wherein the upper rotary blade is cantilevered on the cutting surface side by a cantilevered supporting part and the lower rotary blade is cantilevered on a non-cutting surface side by a cantilevered supporting part.
    Type: Application
    Filed: September 7, 2017
    Publication date: March 22, 2018
    Applicant: Duplo Seiko Corporation
    Inventors: Hideki OIWA, Masayasu MATSUMOTO, Taichi YAMAGUCHI
  • Publication number: 20160346945
    Abstract: A sheet material processing device 3 for performing processing on a having-been-conveyed sheet material along a direction perpendicular to the conveyance direction of the sheet material, includes: a blade member 4 including an upper blade part 42 and a lower blade part 41 that extend in the perpendicular direction and then pressing both blade parts 41 and 42 to each other so as to perform predetermined processing on the sheet material located between both blade parts; a pressing mechanism 5 for pressing both blade parts to each other; and a moving mechanism 6 for moving the blade member in the perpendicular direction, wherein in the upper blade part 42, a processing blade 421 is formed at one or more sites in the perpendicular direction, and wherein in the lower blade part 41, a receiving part for the processing blade is formed over the section facing the processing blade 421.
    Type: Application
    Filed: May 20, 2016
    Publication date: December 1, 2016
    Applicant: DUPLO SEIKO CORPORATION
    Inventor: Hideki OIWA
  • Publication number: 20150059632
    Abstract: A workpiece holding frame includes: a main body having a frame side; and a holding piece directly attracted by magnetic force towards the frame side. A sheet-like workpiece is sandwiched and held between the frame side and the holding piece to make the workpiece stretched taut at a lower surface of the holding frame. The workpiece is subjected to selectively both of printing and embroidery processes without having to change the resulting stretched-taut state. The holding piece has a groove for accommodating therein a permanent magnet. The frame side includes a flat portion and a rib extending perpendicularly along an inner edge thereof, and the holding piece is disposed so as to be accommodated in a space of the frame side which is formed by the flat portion and the rib. The workpiece is bent in contact with an end edge of the rib to be is stretched taut.
    Type: Application
    Filed: August 29, 2014
    Publication date: March 5, 2015
    Inventors: Yasutami Amakawa, Shunzou Nanba, Hideki Oiwa
  • Patent number: 8773738
    Abstract: A paper processing apparatus equipped with a paper transferor for sequentially transferring paper sheets while maintaining a predetermined interval between a certain paper sheet and the next paper sheet; a paper position detector for detecting the position of a paper sheet; a plurality of processors for performing processing for the paper sheet; an information reader for reading information relating to processing to be performed for the paper sheet; and a controller for controlling operations relating to the paper transferor, the paper position detector, the plurality of processors, and the information reader, wherein upon judging that the certain paper sheet has passed through a certain processor, the controller carries out control to adjust the widthwise position of the certain processor so as to be adapted for the processing for the next paper sheet.
    Type: Grant
    Filed: March 23, 2011
    Date of Patent: July 8, 2014
    Assignee: Duplo Seiko Corporation
    Inventors: Akihiko Toki, Masasuke Funase, Hideki Oiwa
  • Publication number: 20130057930
    Abstract: A paper processing apparatus equipped with a paper transferor for sequentially transferring paper sheets while maintaining a predetermined interval between a certain paper sheet and the next paper sheet; a paper position detector for detecting the position of a paper sheet; a plurality of processors for performing processing for the paper sheet; an information reader for reading information relating to processing to be performed for the paper sheet; and a controller for controlling operations relating to the paper transferor, the paper position detector, the plurality of processors, and the information reader, wherein upon judging that the certain paper sheet has passed through a certain processor, the controller carries out control to adjust the widthwise position of the certain processor so as to be adapted for the processing for the next paper sheet.
    Type: Application
    Filed: March 23, 2011
    Publication date: March 7, 2013
    Applicant: Duplo Seiko Corporation
    Inventors: Akihiko Toki, Masasuke Funase, Hideki Oiwa
  • Patent number: 8353509
    Abstract: A stacker device includes a conveying belt, a longitudinal receiving guide, a paper sheet discharge detecting part, a first detecting part having a rod body, a second detecting part, and a control part for controlling the guide drive mechanism and the belt drive mechanism. The control part is formed so as to control both the mechanisms so that after the predetermined time T, which is required for the paper sheet to be stacked on the stacking surface after the paper sheet discharge detecting part detects the rear edge of the paper sheet having been conveyed to the discharging roller, passes and until the first detecting part detects the paper sheet, the longitudinal receiving guide and the conveying belt move to the upstream side of the conveyance direction at the same time, and after that, until the first detecting part does not detect the paper sheet, the longitudinal receiving guide and the conveying belt move to the downstream side of the conveyance direction at the same time.
    Type: Grant
    Filed: February 15, 2010
    Date of Patent: January 15, 2013
    Assignee: Duplo Seiko Corporation
    Inventors: Ryuichi Oota, Hideki Oiwa, Masasuke Funase, Takaaki Maeda
  • Patent number: 8322713
    Abstract: When the sheet (100) is mounted onto the conveyance surface (20), the alignment guide (3) is located at the retraction position by the alignment guide moving mechanism, and after the sheet (100) is mounted onto the conveyance surface (20), the alignment guide (3) is located at the guide position by the alignment guide moving mechanism.
    Type: Grant
    Filed: April 5, 2010
    Date of Patent: December 4, 2012
    Assignee: Duplo Seiko Corporation
    Inventors: Ryuichi Oota, Hideki Oiwa, Masasuke Funase, Takaaki Maeda, Akihiko Toki
  • Patent number: 8273004
    Abstract: A paper folding mechanism includes: first and second folding rollers (51, 52); first and second conveyance rollers (61, 62); a protrusion member (71); and a control part. Both the rollers (51, 52) are provided so that a paper is sandwiched therebetween with its fold line located in front, and is allowed to pass therethrough in a first direction. The first folding roller (51) and the first conveyance roller (61) are provided so that the paper is sandwiched therebetween and conveyed in a second direction orthogonal to the first direction. The second folding roller (52) and the second conveyance roller (62) are provided so that the paper is sandwiched therebetween and conveyed in any one of the second direction and the direction opposite thereto. The protrusion member (71) is provided so that the fold line of the paper conveyed by both the rollers (61, 62) is protruded in the first direction and fed between both the rollers (51, 52).
    Type: Grant
    Filed: February 26, 2009
    Date of Patent: September 25, 2012
    Assignee: Duplo Seiko Corporation
    Inventors: Ryuichi Oota, Hideki Oiwa, Masasuke Funase, Takaaki Maeda
  • Patent number: 8157261
    Abstract: A paper sheet conveying device is equipped with a conveying path (2) formed of conveying roller pairs and a controlling section conveying rollers. The conveying path (2) is composed of a first-half conveying path (2A) and a last-half conveying path (2B). The first-half conveying path (2A) has a first-half driving mechanism for controlling the rotational speed of the lower conveying rollers and a first-half vertically moving mechanism for vertically moving the upper conveying rollers. The last-half conveying path (2B) has a last-half driving mechanism for controlling the rotational speed of the lower conveying rollers and a last-half vertically moving mechanism for vertically moving the upper conveying rollers. The controlling section is configured so as to control the first-half driving mechanism, the first-half vertically moving mechanism, the last-half driving mechanism and the last-half vertically moving mechanism depending on the position of the paper sheet being conveyed.
    Type: Grant
    Filed: March 3, 2009
    Date of Patent: April 17, 2012
    Assignee: Duplo Seiko Corporation
    Inventors: Ryuichi Oota, Hideki Oiwa, Masasuke Funase, Takaaki Maeda
  • Publication number: 20120049443
    Abstract: When the sheet (100) is mounted onto the conveyance surface (20), the alignment guide (3) is located at the retraction position by the alignment guide moving mechanism, and after the sheet (100) is mounted onto the conveyance surface (20), the alignment guide (3) is located at the guide position by the alignment guide moving mechanism.
    Type: Application
    Filed: April 5, 2010
    Publication date: March 1, 2012
    Applicant: Duplo Seiko Corporation
    Inventors: Ryuichi Oota, Hideki Oiwa, Masasuke Funase, Takaaki Maeda, Akihiko Toki
  • Publication number: 20120007306
    Abstract: A stacker device includes a conveying belt, a longitudinal receiving guide, a paper sheet discharge detecting part, a first detecting part having a rod body, a second detecting part, and a control part for controlling the guide drive mechanism and the belt drive mechanism. The control part is formed so as to control both the mechanisms so that after the predetermined time T, which is required for the paper sheet to be stacked on the stacking surface after the paper sheet discharge detecting part detects the rear edge of the paper sheet having been conveyed to the discharging roller, passes and until the first detecting part detects the paper sheet, the longitudinal receiving guide and the conveying belt move to the upstream side of the conveyance direction at the same time, and after that, until the first detecting part does not detect the paper sheet, the longitudinal receiving guide and the conveying belt move to the downstream side of the conveyance direction at the same time.
    Type: Application
    Filed: February 15, 2010
    Publication date: January 12, 2012
    Applicant: DUPLO SEIKO CORPORATION
    Inventors: Ryuichi Oota, Hideki Oiwa, Masasuke Funase, Takaaki Maeda
  • Publication number: 20110074091
    Abstract: A paper sheet conveying device is equipped with a conveying path (2) formed of a large number of conveying roller pairs and a controlling section for detecting the position of the paper sheet being conveyed and controlling the operation of the conveying rollers. The conveying path (2) is composed of a first-half conveying path (2A) and a last-half conveying path (2B). The first-half conveying path (2A) has a first-half driving mechanism for controlling the rotational speed of the lower conveying rollers and a first-half vertically moving mechanism for vertically moving the upper conveying rollers. The last-half conveying path (2B) has a last-half driving mechanism for controlling the rotational speed of the lower conveying rollers and a last-half vertically moving mechanism for vertically moving the upper conveying rollers.
    Type: Application
    Filed: March 3, 2009
    Publication date: March 31, 2011
    Applicant: Duplo Seiko Corporation
    Inventors: Ryuichi Oota, HIdeki Oiwa, Masasuke Funase, Takaaki Maeda
  • Patent number: 7832318
    Abstract: A paper sheet processing device for processing paper sheets while carrying the paper sheets, includes a device body, a carrier for carrying the paper sheets one by one, a carrier driver for driving the carrier, processing device parts which are installed in a carrying route and which process the paper sheets, and a processing driver for driving the processing device parts. The processing device parts are installed detachably from the device body.
    Type: Grant
    Filed: May 30, 2008
    Date of Patent: November 16, 2010
    Assignee: Duplo Seiko Corporation
    Inventors: Ryuichi Oota, Hideki Oiwa, Akira Wada
  • Publication number: 20100222195
    Abstract: A paper folding mechanism includes: first and second folding rollers (51, 52); first and second conveyance rollers (61, 62); a protrusion member (71); and a control part. Both the rollers (51, 52) are provided so that a paper is sandwiched therebetween with its fold line located in front, and is allowed to pass therethrough in a first direction. The first folding roller (51) and the first conveyance roller (61) are provided so that the paper is sandwiched therebetween and conveyed in a second direction orthogonal to the first direction. The second folding roller (52) and the second conveyance roller (62) are provided so that the paper is sandwiched therebetween and conveyed in any one of the second direction and the direction opposite thereto. The protrusion member (71) is provided so that the fold line of the paper conveyed by both the rollers (61, 62) is protruded in the first direction and fed between both the rollers (51, 52).
    Type: Application
    Filed: February 26, 2009
    Publication date: September 2, 2010
    Applicant: DUPLO SEIKO CORPORATION
    Inventors: Ryuichi Oota, Hideki Oiwa, Masasuke Funase, Takaaki Maeda