Patents by Inventor Kenji Shimamura

Kenji Shimamura 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).

  • Publication number: 20250236127
    Abstract: A sheet supply device that supplies a sheet from a roll, includes: a first roll support portion which rotatably supports the roll on one end side in a width direction of the roll; a second roll support portion which rotatably supports the roll on the other end side of the roll by opposing the first roll support portion; and a guide portion which extends in the width direction and movably supports the second roll support portion in the width direction; wherein below a first space in which the roll between the first roll support portion and the second roll support portion is installed, a second space into which a cart which transports the roll enters is formed.
    Type: Application
    Filed: April 14, 2025
    Publication date: July 24, 2025
    Inventors: NAOKI WAKAYAMA, KENJI SHIMAMURA, TOMOHIRO SUZUKI, RYOSUKE MURATA, YUJIRO ISHIDA
  • Publication number: 20250197155
    Abstract: A conveying device includes a conveying portion that conveys a sheet drawn out of a rolled sheet held by a holding portion; a winding portion that winds the sheet on a downstream side of the conveying portion; and a cutting portion that cuts the sheet between the conveying portion and the winding portion, wherein the conveying device includes a contact portion that contacts the sheet between the cutting portion and the winding portion, and the contact portion and the cutting portion are configured to be capable of integrally moving to a first position approaching the rolled sheet held by the holding portion and a second position away from the rolled sheet.
    Type: Application
    Filed: December 11, 2024
    Publication date: June 19, 2025
    Inventors: YUJIRO ISHIDA, TSUTOMU OBATA, KENJI SHIMAMURA, RYO KOBAYASHI
  • Publication number: 20250196518
    Abstract: A conveying device includes a holding portion configured to hold a rolled sheet; a conveying portion configured to convey a sheet drawn out of the rolled sheet held by the holding portion; a guide portion configured to guide the sheet conveyed by the conveying portion; and a cutting portion which is disposed in the guide portion to cut the sheet using a movable blade. The movable blade moves to a first position approaching the holding portion, and to a second position departing from the holding portion.
    Type: Application
    Filed: December 11, 2024
    Publication date: June 19, 2025
    Inventors: RYO KOBAYASHI, KENJI SHIMAMURA, YUJIRO ISHIDA, TSUTOMU OBATA
  • Publication number: 20250011123
    Abstract: A printing apparatus includes a stacking portion on which a print medium printed by a printing unit configured to perform printing is stacked, a discharge unit configured to convey the print medium printed by the printing unit to the stacking portion, a passage forming portion arranged above the stacking portion so as to face the stacking portion and configured to form a discharge passage of the print medium together with the stacking portion, and an outlet port located at a downstream end of the discharge passage in a conveying direction of the print medium. In the outlet port, the passage forming portion extends to the downstream side of the stacking portion in the conveying direction.
    Type: Application
    Filed: September 19, 2024
    Publication date: January 9, 2025
    Inventors: Ryosuke Araki, Tsutomu Obata, Yoshiaki Suzuki, Kenji Shimamura, Ryoya Shinjo
  • Patent number: 12162710
    Abstract: A printing apparatus includes a stacking portion on which a print medium printed by a printing unit configured to perform printing is stacked, a discharge unit configured to discharge the print medium printed by the printing unit to the stacking portion, a passage forming portion arranged facing the stacking portion and configured to form a discharge passage of the print medium together with the stacking portion, and an outlet port located at a downstream end of the stacking portion and a downstream end of the passage forming portion in a conveying direction of the print medium. The passage forming portion includes an opening/closing portion which is displaceable between a closed position for forming the discharge passage and an open position for opening access to the stacking portion.
    Type: Grant
    Filed: June 20, 2023
    Date of Patent: December 10, 2024
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tsutomu Obata, Yoshiaki Suzuki, Kenji Shimamura, Ryoya Shinjo, Ryosuke Araki
  • Patent number: 12122629
    Abstract: A printing apparatus includes a stacking portion on which a print medium printed by a printing unit configured to perform printing is stacked, a discharge unit configured to convey the print medium printed by the printing unit to the stacking portion, a passage forming portion arranged above the stacking portion so as to face the stacking portion and configured to form a discharge passage of the print medium together with the stacking portion, and an outlet port located at a downstream end of the discharge passage in a conveying direction of the print medium. In the outlet port, the passage forming portion extends to the downstream side of the stacking portion in the conveying direction.
    Type: Grant
    Filed: September 24, 2021
    Date of Patent: October 22, 2024
    Assignee: Canon Kabushiki Kaisha
    Inventors: Ryosuke Araki, Tsutomu Obata, Yoshiaki Suzuki, Kenji Shimamura, Ryoya Shinjo
  • Patent number: 11987045
    Abstract: A printing apparatus includes a conveyance unit including a pair of rotation members that nip a roll sheet, and configured to convey the sheet by rotation of the pair of rotation members, a printing unit, and a control unit configured to, upon executing a new print job, cause the conveyance unit to perform a preparatory operation in which the sheet is conveyed in a forward direction and then conveyed in a reverse direction and stopped. If a predetermined condition is met after completion of a previous print job, the control unit causes the conveyance unit to perform the preparatory operation, and if the predetermined condition is not met after completion of a previous print job, the control unit does not cause the conveyance unit to perform the preparatory operation.
    Type: Grant
    Filed: December 13, 2022
    Date of Patent: May 21, 2024
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takuya Suto, Toshiro Sugiyama, Ryosuke Murata, Daigo Kuronuma, Kenji Shimamura, Ryo Harigae, Toshiaki Yamaguchi, Kouhei Tokuda
  • Patent number: 11987046
    Abstract: A printing apparatus comprises a conveyance unit configured to convey a sheet to a printing unit configured to perform printing; a control unit configured to cause the conveyance unit to hold the sheet onto which printing was performed by the printing unit; and a receiving unit configured to receive an ejection instruction for instructing to eject the sheet. The control unit, in a case where the receiving unit receives the ejection instruction, controls the conveyance unit to eject the sheet to outside of the apparatus after a predetermined time has elapsed.
    Type: Grant
    Filed: March 2, 2021
    Date of Patent: May 21, 2024
    Assignee: Canon Kabushiki Kaisha
    Inventors: Ryosuke Murata, Takuya Suto, Toshiro Sugiyama, Daigo Kuronuma, Kenji Shimamura, Ryo Harigae, Toshiaki Yamaguchi, Kouhei Tokuda
  • Patent number: 11981521
    Abstract: A feeding apparatus includes a roll support unit configured to rotatably support a roll sheet which is a sheet wound into a roll form, a drive unit configured to rotate the roll sheet in a first rotation direction for feeding the sheet into a conveyance path and a second rotation direction, an abutment portion provided so as to be capable of abutting against an outer peripheral surface of the roll sheet at a first position, and a rotation member configured to abut against the outer peripheral surface at a second position. The rotation member at the second position does not rotate with the roll sheet when the roll sheet is rotated in the first rotation direction, and rotates with the roll sheet when the roll sheet is rotated in the second rotation direction.
    Type: Grant
    Filed: March 10, 2021
    Date of Patent: May 14, 2024
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kenji Shimamura, Ryo Harigae
  • Patent number: 11851297
    Abstract: An apparatus includes a first drive unit configured to rotate a roll sheet supported by a roll support unit in a predetermined rotation direction to feed the sheet into a conveyance path, an abutment portion provided so as to be capable of abutting against an outer peripheral surface of the roll sheet at a first position, and a rotation member provided so as to be capable of abutting against the outer peripheral surface at a second position. The first drive unit rotates the roll sheet in the direction to introduce, into the conveyance path, a leading edge of the sheet having passed between the first and second positions. The apparatus further includes a second drive unit configured to rotate the rotation member in a direction in which a slack of the sheet is formed between the first and second positions.
    Type: Grant
    Filed: March 10, 2021
    Date of Patent: December 26, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventors: Ryo Harigae, Kenji Shimamura
  • Patent number: 11834290
    Abstract: A printing apparatus includes a stacking portion on which a print medium printed by a printing unit configured to perform printing is stacked, a discharge unit configured to discharge the print medium printed by the printing unit to the stacking portion, a passage forming portion arranged facing the stacking portion and configured to form a discharge passage of the print medium together with the stacking portion, and an outlet port located at a downstream end of the stacking portion and a downstream end of the passage forming portion in a conveying direction of the print medium. The passage forming portion includes a take-out port through which a user can take out, from the stacking portion, the print medium printed by the printing unit.
    Type: Grant
    Filed: September 29, 2021
    Date of Patent: December 5, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yoshiaki Suzuki, Tsutomu Obata, Kenji Shimamura, Ryoya Shinjo, Ryosuke Araki
  • Publication number: 20230331504
    Abstract: A printing apparatus includes a stacking portion on which a print medium printed by a printing unit configured to perform printing is stacked, a discharge unit configured to discharge the print medium printed by the printing unit to the stacking portion, a passage forming portion arranged facing the stacking portion and configured to form a discharge passage of the print medium together with the stacking portion, and an outlet port located in a downstream end of the stacking portion and a downstream end of the passage forming portion in a conveying direction of the print medium. The passage forming portion includes an opening/closing portion which is displaceable between a closed position for forming the discharge passage and an open position for opening the stacking portion.
    Type: Application
    Filed: June 20, 2023
    Publication date: October 19, 2023
    Inventors: Tsutomu Obata, Yoshiaki Suzuki, Kenji Shimamura, Ryoya Shinjo, Ryosuke Araki
  • Patent number: 11760598
    Abstract: A printing apparatus includes a stacking portion on which a print medium printed by a printing unit configured to perform printing is stacked, a discharge unit configured to discharge the print medium printed by the printing unit to the stacking portion, a passage forming portion arranged facing the stacking portion and configured to form a discharge passage of the print medium together with the stacking portion, and an outlet port located at a downstream end of the stacking portion and a downstream end of the passage forming portion in a conveying direction of the print medium. The passage forming portion includes an opening/closing portion which is displaceable between a closed position for forming the discharge passage and an open position for opening access to the stacking portion.
    Type: Grant
    Filed: September 29, 2021
    Date of Patent: September 19, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tsutomu Obata, Yoshiaki Suzuki, Kenji Shimamura, Ryoya Shinjo, Ryosuke Araki
  • Publication number: 20230249481
    Abstract: A sheet supply device that supplies a sheet from a roll, includes: a first roll support portion which rotatably supports the roll on one end side in a width direction of the roll; a second roll support portion which rotatably supports the roll on the other end side of the roll by opposing the first roll support portion; and a guide portion which extends in the width direction and movably supports the second roll support portion in the width direction; wherein below a first space in which the roll between the first roll support portion and the second roll support portion is installed, a second space into which a cart which transports the roll enters is formed.
    Type: Application
    Filed: February 6, 2023
    Publication date: August 10, 2023
    Inventors: NAOKI WAKAYAMA, KENJI SHIMAMURA, TOMOHIRO SUZUKI, RYOSUKE MURATA, YUJIRO ISHIDA
  • Patent number: 11718494
    Abstract: A printing apparatus includes a stacking portion on which a print medium printed by a printing unit configured to perform printing is stacked, a discharge unit configured to discharge the print medium printed by the printing unit to the stacking portion, a passage forming portion arranged facing the stacking portion and configured to form a discharge passage of the print medium together with the stacking portion, and an outlet port located at a downstream end of the stacking portion and a downstream end of the passage forming portion in a conveying direction of the print medium. The passage forming portion includes an opening/closing portion which is displaceable between a closed position for forming the discharge passage and an open position for opening access to the stacking portion.
    Type: Grant
    Filed: September 29, 2021
    Date of Patent: August 8, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tsutomu Obata, Yoshiaki Suzuki, Kenji Shimamura, Ryoya Shinjo, Ryosuke Araki
  • Patent number: 11667138
    Abstract: An apparatus includes a printing unit, a conveyance unit including first and second rotating members that nip and convey the sheet, and configured to hold the sheet by temporarily stopping the conveyance before completion of discharge of the sheet, a detection unit configured to detect a rotation of the first rotating member, a determination unit configured to determine whether the sheet has been pulled in a discharge direction based on a detection result of the detection unit in a case where the conveyance unit holds the sheet, and a control unit configured to, if the determination unit determines that the sheet has been pulled in the discharge direction, cause the conveyance unit to perform a discharging process of the sheet.
    Type: Grant
    Filed: February 26, 2021
    Date of Patent: June 6, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventors: Daigo Kuronuma, Toshiaki Yamaguchi, Takuya Suto, Toshiro Sugiyama, Kouhei Tokuda, Kenji Shimamura, Ryo Harigae, Ryosuke Murata
  • Publication number: 20230116020
    Abstract: A printing apparatus includes a conveyance unit including a pair of rotation members that nip a roll sheet, and configured to convey the sheet by rotation of the pair of rotation members, a printing unit, and a control unit configured to, upon executing a new print job, cause the conveyance unit to perform a preparatory operation in which the sheet is conveyed in a forward direction and then conveyed in a reverse direction and stopped. If a predetermined condition is met after completion of a previous print job, the control unit causes the conveyance unit to perform the preparatory operation, and if the predetermined condition is not met after completion of a previous print job, the control unit does not cause the conveyance unit to perform the preparatory operation.
    Type: Application
    Filed: December 13, 2022
    Publication date: April 13, 2023
    Inventors: Takuya Suto, Toshiro Sugiyama, Ryosuke Murata, Daigo Kuronuma, Kenji Shimamura, Ryo Harigae, Toshiaki Yamaguchi, Kouhei Tokuda
  • Patent number: 11560000
    Abstract: A printing apparatus includes a conveyance unit including a pair of rotation members that nip a roll sheet, and configured to convey the sheet by rotation of the pair of rotation members, a printing unit, and a control unit configured to, upon executing a new print job, cause the conveyance unit to perform a preparatory operation in which the sheet is conveyed in a forward direction and then conveyed in a reverse direction and stopped. If a predetermined condition is met after completion of a previous print job, the control unit causes the conveyance unit to perform the preparatory operation, and if the predetermined condition is not met after completion of a previous print job, the control unit does not cause the conveyance unit to perform the preparatory operation.
    Type: Grant
    Filed: February 26, 2021
    Date of Patent: January 24, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takuya Suto, Toshiro Sugiyama, Ryosuke Murata, Daigo Kuronuma, Kenji Shimamura, Ryo Harigae, Toshiaki Yamaguchi, Kouhei Tokuda
  • Publication number: 20220097994
    Abstract: A printing apparatus includes a stacking portion on which a print medium printed by a printing unit configured to perform printing is stacked, a discharge unit configured to discharge the print medium printed by the printing unit to the stacking portion, a passage forming portion arranged facing the stacking portion and configured to form a discharge passage of the print medium together with the stacking portion, and an outlet port located in a downstream end of the stacking portion and a downstream end of the passage forming portion in a conveying direction of the print medium. The passage forming portion includes a take-out port through which a user can take out, from the stacking portion, the print medium printed by the printing unit.
    Type: Application
    Filed: September 29, 2021
    Publication date: March 31, 2022
    Inventors: Yoshiaki Suzuki, Tsutomu Obata, Kenji Shimamura, Ryoya Shinjo, Ryosuke Araki
  • Publication number: 20220097996
    Abstract: A printing apparatus includes a stacking portion on which a print medium printed by a printing unit configured to perform printing is stacked, a discharge unit configured to convey the print medium printed by the printing unit to the stacking portion, a passage forming portion arranged above the stacking portion so as to face the stacking portion and configured to form a discharge passage of the print medium together with the stacking portion, and an outlet port located in a downstream end of the discharge passage in a conveying direction of the print medium. In the outlet port, the passage forming portion extends to the downstream side of the stacking portion in the conveying direction.
    Type: Application
    Filed: September 24, 2021
    Publication date: March 31, 2022
    Inventors: Ryosuke Araki, Tsutomu Obata, Yoshiaki Suzuki, Kenji Shimamura, Ryoya Shinjo