Patents by Inventor Tomohito Abe

Tomohito Abe 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: 20210276344
    Abstract: A printing apparatus, comprising a conveyance unit configured to be able to convey a roll sheet that is wound in a rolled shape and a cut sheet that is not wound in a rolled shape to a printing unit configured to print an image, a receiving unit detachably attached to the apparatus, the receiving unit being configured to receive the cut sheet onto which printing was performed by the printing unit, a detection unit configured to detect whether the receiving unit is attached to the apparatus, and a holding unit configured to, in a case where the detection unit detects that the receiving unit is not attached to the apparatus, nip to hold the cut sheet onto which printing was performed by the printing unit.
    Type: Application
    Filed: March 4, 2021
    Publication date: September 9, 2021
    Inventors: Itaru Wada, Yasuyuki Asai, Hiromasa Yoneyama, Ryohei Maruyama, Yoshiaki Suzuki, Tomohito Abe, Tsutomu Obata, Noriyuki Aoki
  • Patent number: 11052681
    Abstract: An inkjet printing apparatus includes: a conveyance unit configured to convey a printing medium in a conveyance direction; a print head configured to print an image on the printing medium conveyed by the conveyance unit; and a slitter disposed on a downstream relative to the print head in the conveyance direction and configured to cut the printing medium in the conveyance direction in accordance with the conveyance by the conveyance unit, wherein the slitter is configured to cut the printing medium from a leading edge of the printing medium up to a predetermined position in accordance with the conveyance of the printing medium by the conveyance unit, and wherein the print head is configured to print the image in between the leading edge of the printing medium and the predetermined position in the conveyance direction after the printing medium is cut by the slitter.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: July 6, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Toshiaki Yamaguchi, Daigo Kuronuma, Ryutaro Takahashi, Naoaki Wada, Tomohito Abe, Noriyuki Aoki, Ryohei Maruyama, Masakazu Nagashima
  • Publication number: 20210197594
    Abstract: A printing apparatus, comprising a conveyance unit for conveying a sheet, a carriage mounted with a printhead and configured to scan the printhead in a sheet widthwise direction, a platen arranged so as to face the printhead, a detection unit mounted on the carriage and configured to detect a distance to a sheet, a support portion, for supporting a sheet from below, arranged on a downstream side of the carriage in a conveyance direction, movable between a first position at which the support portion forms a conveyance surface for a sheet and a second position at which the support portion protrudes above the conveyance surface, and a determination unit configured to determine, based on a detection result of the detection unit, whether the support portion is at the first position or the second position.
    Type: Application
    Filed: December 14, 2020
    Publication date: July 1, 2021
    Inventors: Tomohito Abe, Yasuyuki Asai, Hiromasa Yoneyama, Ryohei Maruyama, Itaru Wada, Yoshiaki Suzuki, Tsutomu Obata, Noriyuki Aoki
  • Publication number: 20210197593
    Abstract: There is provided a printing apparatus. A printing unit prints an image on a printing medium and is able to move. A cutter unit is able to connect with or separate from the printing unit, and, by following a movement of the printing unit, cuts the printing medium. A setting unit sets, in accordance with a size of the printing medium, a standby position of the cutter unit.
    Type: Application
    Filed: December 14, 2020
    Publication date: July 1, 2021
    Inventors: Yasuyuki Asai, Hiromasa Yoneyama, Ryohei Maruyama, Itaru Wada, Yoshiaki Suzuki, Tomohito Abe, Tsutomu Obata, Noriyuki Aoki
  • Publication number: 20210197582
    Abstract: There is provided a printing apparatus comprises a holding unit configured to hold a roll sheet. The printing apparatus performs: supplying the sheet by rotating the roll sheet held by the holding unit; nipping and conveying the supplied sheet; performing printing on the conveyed sheet; detecting occurrence of a print medium jam of the sheet; and, if the printing apparatus has detected a print medium jam of the sheet, performing a control process of supplying the sheet in a state in which the conveying is stopped.
    Type: Application
    Filed: December 16, 2020
    Publication date: July 1, 2021
    Inventors: Yoshiaki Suzuki, Hiromasa Yoneyama, Ryohei Maruyama, Itaru Wada, Tomohito Abe, Tsutomu Obata, Noriyuki Aoki, Yasuyuki Asai
  • Publication number: 20210197592
    Abstract: There is provided with printing apparatus. A printing unit prints an image on a printing medium and is able to move. A cutter unit is able to connect with or separate from the printing unit, and, by following a movement of the printing unit, cuts the printing medium. A control unit, in a case where a predetermined condition is satisfied after the printing medium is cut by the cutter unit, causes the printing unit to perform printing on a succeeding printing medium, while moving the printing unit in a state in which the cutter unit is connected with the printing unit.
    Type: Application
    Filed: December 14, 2020
    Publication date: July 1, 2021
    Inventors: Hiromasa Yoneyama, Yasuyuki Asai, Ryohei Maruyama, Itaru Wada, Yoshiaki Suzuki, Tomohito Abe, Tsutomu Obata, Noriyuki Aoki
  • Patent number: 10828890
    Abstract: In an embodiment of the present invention, even though there is a print shift due to a gap between a nozzle in an upstream side and a nozzle in a downstream side of a printhead, a printing apparatus capable of precisely adjusting a slant of a printhead with respect to a conveyance direction in a nozzle surface of the printhead is provided. According to the embodiment, two adjustment patterns are printed at two different carriage speeds, respectively, and a print shift due to a slant of the nozzle surface of the printhead with respect to a conveyance direction of a print medium is adjusted based on these two print results.
    Type: Grant
    Filed: January 23, 2019
    Date of Patent: November 10, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventors: Daigo Kuronuma, Masakazu Nagashima, Ryohei Maruyama, Tomohito Abe, Noriyuki Aoki, Naoaki Wada, Toshiaki Yamaguchi
  • Publication number: 20200338899
    Abstract: An object of the present invention is to provide an ink jet printing apparatus that can reduce the time for the initial installment. In the present invention, in the initial installation, once an ink tank is attached to a printing apparatus main body, a notification unit makes a notification prompting attaching of a printing head during an operation of supplying ink from the ink tank to a reservoir tank.
    Type: Application
    Filed: April 2, 2020
    Publication date: October 29, 2020
    Inventors: Naoaki Wada, Noriyuki Aoki, Tomohito Abe, Daigo Kuronuma, Ryutaro Takahashi, Masakazu Nagashima, Ryohei Maruyama, Toshiaki Yamaguchi
  • Publication number: 20200307273
    Abstract: A printing apparatus including: a carriage having a print head and configured to be movable in an intersecting direction; a slitter unit configured to be movable in the intersecting direction and cut a roll sheet in a conveyance direction; a detection sensor mounted on the carriage and configured to detect a cut portion of the roll sheet that has been cut by the slitter unit; and a control unit configured to control the carriage to move after controlling the slitter unit to move and cut the roll sheet, so that the cut portion made by the slitter unit is detected by the detection sensor, and configured to control a moving distance of the carriage or the slitter, based on a first moving distance by which the slitter unit has moved and a second moving distance of the carriage at a timing where the detection sensor detects the cut portion.
    Type: Application
    Filed: March 27, 2020
    Publication date: October 1, 2020
    Inventors: Daigo Kuronuma, Ryutaro Takahashi, Naoaki Wada, Tomohito Abe, Noriyuki Aoki, Ryohei Maruyama, Masakazu Nagashima, Toshiaki Yamaguchi
  • Publication number: 20200307270
    Abstract: An inkjet printing apparatus includes: a conveyance unit configured to convey a printing medium in a conveyance direction; a print head configured to print an image on the printing medium conveyed by the conveyance unit; and a slitter disposed on a downstream relative to the print head in the conveyance direction and configured to cut the printing medium in the conveyance direction in accordance with the conveyance by the conveyance unit, wherein the slitter is configured to cut the printing medium from a leading edge of the printing medium up to a predetermined position in accordance with the conveyance of the printing medium by the conveyance unit, and wherein the print head is configured to print the image in between the leading edge of the printing medium and the predetermined position in the conveyance direction after the printing medium is cut by the slitter.
    Type: Application
    Filed: March 27, 2020
    Publication date: October 1, 2020
    Inventors: Toshiaki Yamaguchi, Daigo Kuronuma, Ryutaro Takahashi, Naoaki Wada, Tomohito Abe, Noriyuki Aoki, Ryohei Maruyama, Masakazu Nagashima
  • Patent number: 10703110
    Abstract: A liquid holding container includes a top face portion having an opening portion, a bottom face portion facing the top face portion, a first ink absorber being disposed near the opening portion and layered in a first direction from the bottom face portion to the top face portion, the first ink absorber being configured to absorb a liquid introduced from the opening portion, and a second ink absorber being disposed outside the first absorber in a second direction that intersects the first direction and layered in the second direction, the second ink absorber being configured to absorb the liquid moving from the first ink absorber.
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: July 7, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventors: Noriyuki Aoki, Masakazu Nagashima, Ryohei Maruyama, Toshiaki Yamaguchi, Naoaki Wada, Tomohito Abe, Daigo Kuronuma
  • Publication number: 20190232641
    Abstract: In an embodiment of the present invention, even though there is a print shift due to a gap between a nozzle in an upstream side and a nozzle in a downstream side of a printhead, a printing apparatus capable of precisely adjusting a slant of a printhead with respect to a conveyance direction in a nozzle surface of the printhead is provided. According to the embodiment, two adjustment patterns are printed at two different carriage speeds, respectively, and a print shift due to a slant of the nozzle surface of the printhead with respect to a conveyance direction of a print medium is adjusted based on these two print results.
    Type: Application
    Filed: January 23, 2019
    Publication date: August 1, 2019
    Inventors: Daigo Kuronuma, Masakazu Nagashima, Ryohei Maruyama, Tomohito Abe, Noriyuki Aoki, Naoaki Wada, Toshiaki Yamaguchi
  • Publication number: 20190232677
    Abstract: A liquid holding container includes a top face portion having an opening portion, a bottom face portion facing the top face portion, a first ink absorber being disposed near the opening portion and layered in a first direction from the bottom face portion to the top face portion, the first ink absorber being configured to absorb a liquid introduced from the opening portion, and a second ink absorber being disposed outside the first absorber in a second direction that intersects the first direction and layered in the second direction, the second ink absorber being configured to absorb the liquid moving from the first ink absorber.
    Type: Application
    Filed: January 10, 2019
    Publication date: August 1, 2019
    Inventors: Noriyuki Aoki, Masakazu Nagashima, Ryohei Maruyama, Toshiaki Yamaguchi, Naoaki Wada, Tomohito Abe, Daigo Kuronuma
  • Patent number: 10046579
    Abstract: A printing apparatus includes: a printhead; a carriage, on which the printhead is mounted; a first containing unit configured to contain ink to be supplied to the printhead; and a channel forming unit which forms an ink supply channel for supplying ink to the printhead. The channel forming unit includes: a first tube which extends in a reciprocation direction of the carriage; a second tube which is connected to the first containing unit; and a first coupling member which couples the first tube and the second tube to each other. The first coupling member is located in one end portion of the printing apparatus in the reciprocation direction, and has a bent channel which connects the first tube and the second tube to each other.
    Type: Grant
    Filed: June 12, 2017
    Date of Patent: August 14, 2018
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Takeshi Kono, Noriyuki Aoki, Naoaki Wada, Toshiaki Yamaguchi, Masakazu Nagashima, Ryohei Maruyama, Tomohito Abe, Daigo Kuronuma
  • Patent number: 10016982
    Abstract: An inkjet apparatus includes, a carriage, mounting a head that discharges ink, configured to reciprocally move with respect to a sheet that receives the ink, a sensor unit, attached to the carriage, configured to read information from the sheet, and a rectifying skirt, attached to the carriage, having a rectifying surface that faces the sheet. The sensor unit is disposed above the rectifying skirt.
    Type: Grant
    Filed: September 19, 2016
    Date of Patent: July 10, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventors: Daigo Kuronuma, Tomoyuki Nagase, Tomohito Abe, Hiroshi Arimizu, Yusuke Imahashi, Nobuhito Yamaguchi, Yoshihiro Koyama
  • Publication number: 20170087862
    Abstract: An inkjet apparatus includes, a carriage, mounting a head that discharges ink, configured to reciprocally move with respect to a sheet that receives the ink, a sensor unit, attached to the carriage, configured to read information from the sheet, and a rectifying skirt, attached to the carriage, having a rectifying surface that faces the sheet. The sensor unit is disposed above the rectifying skirt.
    Type: Application
    Filed: September 19, 2016
    Publication date: March 30, 2017
    Inventors: Daigo Kuronuma, Tomoyuki Nagase, Tomohito Abe, Hiroshi Arimizu, Yusuke Imahashi, Nobuhito Yamaguchi, Yoshihiro Koyama
  • Publication number: 20120050405
    Abstract: A printing apparatus having: a carriage on which print heads including a first and a second print head are mounted, movable along a guide between a first and a second end; and a control unit to control the carriage reciprocation when printing is performed onto a print medium, wherein the print heads are so arranged that when the carriage locates at the first end, the first print head relatively apart from the guide is nearer print medium than the second print head relatively near the guide, and when the carriage locates at the second end, the second print head is nearer print medium than the first print head, and wherein a distance from the first print head to print medium when the carriage locates at the first end is greater than a distance from the second print head to print medium when the carriage locates at the second end.
    Type: Application
    Filed: August 1, 2011
    Publication date: March 1, 2012
    Applicant: CANON KABUSHIKI KAISHA
    Inventor: Tomohito Abe
  • Patent number: 7129820
    Abstract: The respective sections between a power source unit 4 and a room master station 1, between the room master station 1 and an entrance door station 2, and between the entrance door station 2 and an electric lock 3 are connected by transmission lines of two-wire system 6 for transmitting signals and electric power.
    Type: Grant
    Filed: July 2, 2003
    Date of Patent: October 31, 2006
    Assignee: Aiphone Co., Ltd.
    Inventors: Koji Noma, Tomohito Abe
  • Publication number: 20040004536
    Abstract: The respective sections between a power source unit 4 and a room master station 1, between the room master station 1 and an entrance door station 2, and between the entrance door station 2 and an electric lock 3 are connected by transmission lines of two-wire system 6 for transmitting signals and electric power.
    Type: Application
    Filed: July 2, 2003
    Publication date: January 8, 2004
    Inventors: Koji Noma, Tomohito Abe