Patents by Inventor Yusuke Imahashi

Yusuke Imahashi 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: 20210170754
    Abstract: A discharge apparatus includes a discharge unit configured to discharge a liquid to a medium a suction unit and a supply unit configured to supply a gas to the suction unit. The suction unit includes an opening facing the medium, and a suction groove including an arc-shaped inner wall surface inside the opening and configured to suck mist on the medium. An outlet portion configured to blow out the gas supplied from the supply unit toward the inner wall surface is provided in the opening.
    Type: Application
    Filed: December 7, 2020
    Publication date: June 10, 2021
    Inventors: Hiroshi Arimizu, Yoshinori Itoh, Motomi Tsuyuki, Yusuke Imahashi, Arihito Miyakoshi, Yasushi Iijima, Hideo Sugimura, Takashi Horiba, Akira Fujikake, Masahiko Kubota
  • Patent number: 10549554
    Abstract: A platen includes: a supporting portion that can support a sheet; a suction unit that sucks the sheet in such a manner as to attach the sheet to the supporting portion; a first ink receiver that receives ink ejected downstream of the leading end of the sheet passing the supporting portion; and a second ink receiver that receives ink ejected upstream of the trailing end of the sheet passing the supporting portion.
    Type: Grant
    Filed: August 7, 2018
    Date of Patent: February 4, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tetsuji Kurata, Seiji Ogasawara, Masakazu Tsukuda, Takahide Onuma, Yasunori Saito, Arihito Miyakoshi, Masahiko Kubota, Yusuke Imahashi, Nobuhito Yamaguchi, Hiroshi Arimizu, Yoshinori Itoh
  • Patent number: 10350902
    Abstract: A collection unit configured to collect ink mist generated due to a discharge of ink from a head configured to discharge the ink includes a filter for capturing the ink mist and a liquid supply portion configured to supply a liquid to the filter.
    Type: Grant
    Filed: June 28, 2018
    Date of Patent: July 16, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Arihito Miyakoshi, Masahiko Kubota, Yusuke Imahashi, Hiroshi Arimizu, Yoshinori Itoh, Hideo Sugimura, Takashi Horiba, Akira Fujikake
  • Publication number: 20190009567
    Abstract: A collection unit configured to collect ink mist generated due to a discharge of ink from a head configured to discharge the ink includes a filter for capturing the ink mist and a liquid supply portion configured to supply a liquid to the filter.
    Type: Application
    Filed: June 28, 2018
    Publication date: January 10, 2019
    Inventors: Arihito Miyakoshi, Masahiko Kubota, Yusuke Imahashi, Hiroshi Arimizu, Yoshinori Itoh, Hideo Sugimura, Takashi Horiba, Akira Fujikake
  • Patent number: 10155388
    Abstract: A blowout port for gas is efficiently configured without impairing mist collection performance. Two blowout ports for gas are adjacent to each other by interposing a partition. An end of the partition is provided at a position near a deep side of the two blowout ports relative to ends of the two blowout ports so as to form a step.
    Type: Grant
    Filed: January 25, 2017
    Date of Patent: December 18, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yusuke Imahashi, Masahiko Kubota, Hiroshi Arimizu, Nobuhito Yamaguchi, Arihito Miyakoshi, Yoshinori Itoh
  • Patent number: 10150297
    Abstract: A printing apparatus according to the present invention includes a plurality of ejection heads for ejecting liquid and a plurality of mist collection units configured to collect mist generated by the ejection heads that are disposed along a medium conveyance direction. The plurality of mist collection units include a first mist collection unit. The first mist collection unit is provided to be inclined to the upstream side of a medium conveyance direction with regard to a perpendicular line perpendicular to a floor. The first mist collection unit has a liquid retention part disposed at the upstream side than an ink mist suction hole.
    Type: Grant
    Filed: May 24, 2017
    Date of Patent: December 11, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiroshi Arimizu, Shinya Asano, Yusuke Imahashi, Masahiko Kubota, Arihito Miyakoshi, Yoshinori Itoh
  • Publication number: 20180339530
    Abstract: A platen includes: a supporting portion that can support a sheet; a suction unit that sucks the sheet in such a manner as to attach the sheet to the supporting portion; a first ink receiver that receives ink ejected downstream of the leading end of the sheet passing the supporting portion; and a second ink receiver that receives ink ejected upstream of the trailing end of the sheet passing the supporting portion.
    Type: Application
    Filed: August 7, 2018
    Publication date: November 29, 2018
    Inventors: Tetsuji Kurata, Seiji Ogasawara, Masakazu Tsukuda, Takahide Onuma, Yasunori Saito, Arihito Miyakoshi, Masahiko Kubota, Yusuke Imahashi, Nobuhito Yamaguchi, Hiroshi Arimizu, Yoshinori Itoh
  • Patent number: 10124608
    Abstract: A platen disposed at a position at which the platen faces a printing head includes a contact portion that comes into contact with a recording medium, a non-contact portion that does not come into contact with the recording medium, and an ink receiving portion that receives ink ejected to beyond the recording medium. A recessed portion is formed between the ink receiving portion and the contact portion in the width direction of the recording medium so as to be lower than the contact portion in the vertical direction. A supply portion that supplies air to the recessed portion is formed upstream of the recessed portion in the conveyance direction of the recording medium.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: November 13, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventors: Arihito Miyakoshi, Masahiko Kubota, Yusuke Imahashi, Nobuhito Yamaguchi, Hiroshi Arimizu, Yoshinori Itoh
  • Patent number: 10071572
    Abstract: A platen includes: a supporting portion that can support a sheet; a suction unit that sucks the sheet in such a manner as to attach the sheet to the supporting portion; a first ink receiver that receives ink ejected downstream of the leading end of the sheet passing the supporting portion; and a second ink receiver that receives ink ejected upstream of the trailing end of the sheet passing the supporting portion.
    Type: Grant
    Filed: May 20, 2016
    Date of Patent: September 11, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tetsuji Kurata, Seiji Ogasawara, Masakazu Tsukuda, Takahide Onuma, Yasunori Saito, Arihito Miyakoshi, Masahiko Kubota, Yusuke Imahashi, Nobuhito Yamaguchi, Hiroshi Arimizu, Yoshinori Itoh
  • Patent number: 10029496
    Abstract: An object of the present invention is to provide an ink jet printing apparatus that can alleviate an adverse influence by ink mist or airflow turbulence with an inexpensive and small-sized configuration without using power. A printing unit includes a first opening that is parallel to a main scanning direction and is formed at a first surface facing a space defined between an ejection port surface having ejection ports formed thereat and a print medium and a second opening formed at a second surface that is parallel to the main scanning direction and different from the first surface. The first opening and the second opening communicate with each other via a first communication path. The first opening and the second opening are formed in different pressure regions, respectively, in which pressures different from each other are produced when the printing unit is moved in the main scanning direction.
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: July 24, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiroshi Arimizu, Masahiko Kubota, Nobuhito Yamaguchi, Yusuke Imahashi, Arihito Miyakoshi, Yoshinori Itoh
  • 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
  • Patent number: 9902154
    Abstract: A platen disposed so as to face a printing head includes a third support portion. A second suction hole is formed in an area through which a recording medium passes at least beyond the third support portion in the width direction of the recording medium or downstream of the third support portion in the conveyance direction. A supply port is formed between the third support portion and the second suction hole. Air is sucked into the second suction hole and supplied toward the recording medium through the supply port.
    Type: Grant
    Filed: March 8, 2017
    Date of Patent: February 27, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventors: Arihito Miyakoshi, Masahiko Kubota, Yusuke Imahashi, Nobuhito Yamaguchi, Hiroshi Arimizu, Yoshinori Itoh
  • Publication number: 20170341399
    Abstract: A printing apparatus according to the present invention includes a plurality of ejection heads for ejecting liquid and a plurality of mist collection units configured to collect mist generated by the ejection heads that are disposed along a medium conveyance direction. The plurality of mist collection units include a first mist collection unit. The first mist collection unit is provided to be inclined to the upstream side of a medium conveyance direction with regard to a perpendicular line perpendicular to a floor. The first mist collection unit has a liquid retention part disposed at the upstream side than an ink mist suction hole.
    Type: Application
    Filed: May 24, 2017
    Publication date: November 30, 2017
    Inventors: Hiroshi Arimizu, Shinya Asano, Yusuke Imahashi, Masahiko Kubota, Arihito Miyakoshi, Yoshinori Itoh
  • Publication number: 20170274676
    Abstract: A platen disposed at a position at which the platen faces a printing head includes a contact portion that comes into contact with a recording medium, a non-contact portion that does not come into contact with the recording medium, and an ink receiving portion that receives ink ejected to beyond the recording medium. A recessed portion is formed between the ink receiving portion and the contact portion in the width direction of the recording medium so as to be lower than the contact portion in the vertical direction. A supply portion that supplies air to the recessed portion is formed upstream of the recessed portion in the conveyance direction of the recording medium.
    Type: Application
    Filed: March 17, 2017
    Publication date: September 28, 2017
    Inventors: Arihito Miyakoshi, Masahiko Kubota, Yusuke Imahashi, Nobuhito Yamaguchi, Hiroshi Arimizu, Yoshinori Itoh
  • Publication number: 20170259571
    Abstract: A platen disposed so as to face a printing head includes a third support portion. A second suction hole is formed in an area through which a recording medium passes at least beyond the third support portion in the width direction of the recording medium or downstream of the third support portion in the conveyance direction. A supply port is formed between the third support portion and the second suction hole. Air is sucked into the second suction hole and supplied toward the recording medium through the supply port.
    Type: Application
    Filed: March 8, 2017
    Publication date: September 14, 2017
    Inventors: Arihito Miyakoshi, Masahiko Kubota, Yusuke Imahashi, Nobuhito Yamaguchi, Hiroshi Arimizu, Yoshinori Itoh
  • Publication number: 20170217192
    Abstract: A blowout port for gas is efficiently configured without impairing mist collection performance. Two blowout ports for gas are adjacent to each other by interposing a partition. An end of the partition is provided at a position near a deep side of the two blowout ports relative to ends of the two blowout ports so as to form a step.
    Type: Application
    Filed: January 25, 2017
    Publication date: August 3, 2017
    Inventors: Yusuke Imahashi, Masahiko Kubota, Hiroshi Arimizu, Nobuhito Yamaguchi, Arihito Miyakoshi, Yoshinori Itoh
  • Publication number: 20170157959
    Abstract: An object of the present invention is to provide an ink jet printing apparatus that can alleviate an adverse influence by ink mist or airflow turbulence with an inexpensive and small-sized configuration without using power. A printing unit includes a first opening that is parallel to a main scanning direction and is formed at a first surface facing a space defined between an ejection port surface having ejection ports formed thereat and a print medium and a second opening formed at a second surface that is parallel to the main scanning direction and different from the first surface. The first opening and the second opening communicate with each other via a first communication path. The first opening and the second opening are formed in different pressure regions, respectively, in which pressures different from each other are produced when the printing unit is moved in the main scanning direction.
    Type: Application
    Filed: November 22, 2016
    Publication date: June 8, 2017
    Inventors: Hiroshi Arimizu, Masahiko Kubota, Nobuhito Yamaguchi, Yusuke Imahashi, Arihito Miyakoshi, Yoshinori Itoh
  • Patent number: 9616663
    Abstract: Adhesion of particles to a liquid ejecting head due to an electric field generated at an electric power supply wire disposed in the liquid ejecting head can be suppressed. The liquid ejecting head is provided with a conductive member covering at least a part of the electric power supply wire for supplying electric power to an ejection energy generating unit configured to generate ejection energy for ejecting liquid, with an insulator therebetween. The conductive member covers the electric power supply wire in a coverage determined based on a relative movement speed between an ejection port and a print medium, a size of particles floating between an ejection port forming surface and the print medium, an electric charge amount of the particles, and a voltage applied to the electric power supply wire.
    Type: Grant
    Filed: January 15, 2016
    Date of Patent: April 11, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yoshinori Itoh, Nobuhito Yamaguchi, Hiroshi Arimizu, Yusuke Imahashi, Arihito Miyakoshi, Masahiko Kubota, Koichi Ishida
  • 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
  • Patent number: 9579896
    Abstract: There is provided a liquid ejecting apparatus and a liquid ejecting head in which mist does not close an ejection port so as to prevent any degradation of the reliability of ejection. In view of this, a ceiling surface is formed between a mist recovering unit and a gas blowing unit in a mist recovering mechanism, thus forming a recess. Inside of the recess are formed a suction port of the mist recovering unit and a gas blowing port of the gas blowing unit.
    Type: Grant
    Filed: March 18, 2016
    Date of Patent: February 28, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yusuke Imahashi, Hiroshi Arimizu, Nobuhito Yamaguchi, Arihito Miyakoshi, Yoshinori Itoh, Masahiko Kubota