Patents by Inventor Yasushi Iijima

Yasushi Iijima 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: 11878513
    Abstract: A recording device includes a recording head, a conveyance portion that conveys a liquid-ejected medium so that the liquid-ejected medium passes through a position facing the recording head, a supply portion for air, and an air blowing mechanism that is disposed on an upstream side of the recording head in a relative moving direction between the recording head and the liquid-ejected medium, the air blowing mechanism including an air blow-out port for blowing out air from the supply portion toward a gap between the recording head and the liquid-ejected medium. The air blow-out port includes a plurality of slits that are lined up in a direction intersecting the relative moving direction, and the plurality of slits are lined up in the direction intersecting the relative moving direction so that long sides of the adjacent slits have regions facing each other in a direction orthogonal to the long sides.
    Type: Grant
    Filed: July 27, 2022
    Date of Patent: January 23, 2024
    Assignee: Canon Kabushiki Kaisha
    Inventors: Motomi Tsuyuki, Yasushi Iijima, Yusuke Imahashi, Hiroshi Arimizu, Arihito Miyakoshi, Yoshinori Itoh, Hideo Sugimura, Takashi Horiba, Seiji Suzuki
  • Patent number: 11834575
    Abstract: There is provided an epoxy resin composition including: an epoxy resin, a thixotropic agent, a photobase generator, and an ether skeleton polythiol.
    Type: Grant
    Filed: January 8, 2021
    Date of Patent: December 5, 2023
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Haruka Yamaji, Yasushi Iijima, Isao Imamura, Sachiko Yamauchi, Hiroki Kihara
  • Patent number: 11590757
    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 around 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: Grant
    Filed: December 7, 2020
    Date of Patent: February 28, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiroshi Arimizu, Yoshinori Itoh, Motomi Tsuyuki, Yusuke Imahashi, Arihito Miyakoshi, Yasushi Iijima, Hideo Sugimura, Takashi Horiba, Akira Fujikake, Masahiko Kubota
  • Publication number: 20230032186
    Abstract: A recording device includes a recording head, a conveyance portion that conveys a liquid-ejected medium so that the liquid-ejected medium passes through a position facing the recording head, a supply portion for air, and an air blowing mechanism that is disposed on an upstream side of the recording head in a relative moving direction between the recording head and the liquid-ejected medium, the air blowing mechanism including an air blow-out port for blowing out air from the supply portion toward a gap between the recording head and the liquid-ejected medium. The air blow-out port includes a plurality of slits that are lined up in a direction intersecting the relative moving direction, and the plurality of slits are lined up in the direction intersecting the relative moving direction so that long sides of the adjacent slits have regions facing each other in a direction orthogonal to the long sides.
    Type: Application
    Filed: July 27, 2022
    Publication date: February 2, 2023
    Inventors: Motomi Tsuyuki, Yasushi Iijima, Yusuke Imahashi, Hiroshi Arimizu, Arihito Miyakoshi, Yoshinori Itoh, Hideo Sugimura, Takashi Horiba, Seiji Suzuki
  • Publication number: 20220410599
    Abstract: A recording apparatus includes a supply portion for supplying an airflow, a blowing port that is formed in a slit-like form following a width direction orthogonal to a conveying direction of a discharged medium, for blowing out the airflow supplied from the supply portion, the blowing port being formed with a channel, through which the airflow flows, extending in a direction substantially perpendicular to a conveyance region of the discharged medium, from an inlet side at which the airflow is introduced, to an outlet side, and a supporting member provided on the inlet side of the blowing port to support opposing wall faces of the blowing port, while allowing passage of the airflow. The blowing port has a narrow portion that partially narrows a width of the channel, father on the outlet side than the supporting member of the wall faces forming the channel.
    Type: Application
    Filed: June 29, 2022
    Publication date: December 29, 2022
    Inventors: Yoshinori Itoh, Yusuke Imahashi, Hiroshi Arimizu, Motomi Tsuyuki, Arihito Miyakoshi, Yasushi Iijima, Hideo Sugimura, Takashi Horiba
  • Publication number: 20210222000
    Abstract: There is provided an epoxy resin composition including: an epoxy resin, a thixotropic agent, a photobase generator, and an ether skeleton polythiol.
    Type: Application
    Filed: January 8, 2021
    Publication date: July 22, 2021
    Inventors: Haruka Yamaji, Yasushi Iijima, Isao Imamura, Sachiko Yamauchi, Hiroki Kihara
  • Publication number: 20210221964
    Abstract: There is provided an epoxy resin composition containing an epoxy resin, a solid basic compound, and a polythiol. By preparing a mixture 1 by kneading the epoxy resin with the solid basic compound, and then kneading the polythiol therewith, the dissolution of the solid basic compound into the polythiol is rate-limited to ensure the pot life, and due to a catalyst action by the dissolution of the solid basic compound at a time of heating, heat curability in a short time is realized.
    Type: Application
    Filed: January 7, 2021
    Publication date: July 22, 2021
    Inventors: Isao Imamura, Sachiko Yamauchi, Hiroki Kihara, Haruka Yamaji, Yasushi Iijima
  • 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: 11020887
    Abstract: A resin molding method includes a first molding step, a sliding step, a second molding step and a mold opening step. In the first molding step, first molded part supported in a fixed mold and a second molded part supported in a die slide mold are molded in different positions in a second direction. In the sliding step, the movable mold is removed in a first direction and the first molded part and the second molded part are aligned by the die slide mold is moved in the second direction. In the second molding step, the movable mold is clamped again with the fixed mold and resin is injected into engaged portions. Each of the first molded part and the second molded part includes at least one wall extending in the first direction, and in the second molding step, the first molded part and the second molded part are engaged with each other at sides of the walls extending in the first direction.
    Type: Grant
    Filed: June 21, 2017
    Date of Patent: June 1, 2021
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Satoshi Oikawa, Yukuo Yamaguchi, Mikiya Umeyama, Hiromasa Amma, Takuya Iwano, Satoshi Kimura, Naoko Tsujiuchi, Yasushi Iijima, Kyosuke Toda
  • Patent number: 10926441
    Abstract: There is provided a liquid supply member capable of suppressing deformation of a liquid supply path and decrease in sealing property of a liquid supply path, during molding, and a manufacturing method of the liquid supply member. For that purpose, in die-slide injection molding that combines two components, a protection portion that protects a part of one component easily affected by heat and pressure, is provided on the other component.
    Type: Grant
    Filed: July 13, 2017
    Date of Patent: February 23, 2021
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Naoko Tsujiuchi, Yukuo Yamaguchi, Mikiya Umeyama, Satoshi Oikawa, Hiromasa Amma, Takuya Iwano, Satoshi Kimura, Yasushi Iijima, Kyosuke Toda
  • Patent number: 10906221
    Abstract: There is provided a manufacturing method of a liquid supply member capable of suppressing decrease in sealing property of a liquid supply path and deformation of the liquid supply path or the external shape. For that purpose, a manufacturing process of a liquid supply member prevents inflow of a molten resin into a concave portion of a portion other than a liquid supply flow path in a liquid supply member.
    Type: Grant
    Filed: July 13, 2017
    Date of Patent: February 2, 2021
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Naoko Tsujiuchi, Yukuo Yamaguchi, Mikiya Umeyama, Satoshi Oikawa, Hiromasa Amma, Takuya Iwano, Satoshi Kimura, Yasushi Iijima, Kyosuke Toda
  • Patent number: 10828812
    Abstract: A molded part including a first member having a plurality of openings and a second member contacting with a peripheral edge of each of the plurality of openings so as to cover the openings, and having a hollow portion formed by sealing the contact portion with a sealing material, wherein: the second member defines a flow channel for filling the sealing material between the first member and the second member; the second member has a branched shape in which sections corresponding to positions covering the plurality of openings are branched from each other, and portions near a gate of the flow channel are connected as a common section; and the branched shape has a bridge structure for connecting the respective branched sections.
    Type: Grant
    Filed: May 17, 2016
    Date of Patent: November 10, 2020
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Takuya Iwano, Yukuo Yamaguchi, Mikiya Umeyama, Satoshi Oikawa, Hiromasa Amma, Satoshi Kimura, Naoko Tsujiuchi, Yasushi Iijima, Kyosuke Toda
  • Patent number: 10513069
    Abstract: There is provided a manufacturing method for molding a liquid supply member by using a first mold and a second mold. The method includes a first molding step of performing injection molding to form a first component part of the liquid supply member and a plurality of component parts of the liquid supply member other than the first component part at different positions from each other, with the first and the second mold closed relative to each other, a contacting step of moving each of the formed plurality of component parts relatively to the first component part to bring the formed first component part into contact with the formed plurality of component parts, with the first and the second mold opened relative to each other, and a second molding step of performing injection molding to join the first component part and the plurality of component parts.
    Type: Grant
    Filed: May 18, 2016
    Date of Patent: December 24, 2019
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Satoshi Oikawa, Yukuo Yamaguchi, Mikiya Umeyama, Hiromasa Amma, Takuya Iwano, Satoshi Kimura, Naoko Tsujiuchi, Yasushi Iijima, Kyosuke Toda
  • Patent number: 10471719
    Abstract: A filter is compressed between facing surfaces of a first configuration component and a second configuration component, and a molten resin is poured in such a compressed state. Injection molding of the first configuration component and the second configuration component, joining of the configuration components, and sealing of the circumference of the filter are performed by a pair of metal molds.
    Type: Grant
    Filed: June 21, 2017
    Date of Patent: November 12, 2019
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Kyosuke Toda, Yukuo Yamaguchi, Mikiya Umeyama, Satoshi Oikawa, Hiromasa Amma, Takuya Iwano, Satoshi Kimura, Naoko Tsujiuchi, Yasushi Iijima
  • Patent number: 10434694
    Abstract: A resin molding method includes a first molding step of molding a first molded part and a second molded part in a mold and a second molding step of joining the first molded part and the second molded part. In the first molding step, the second molded part is formed by injecting resin into an area where a first core movable in the first direction and a second core movable in a second direction are engaged. In the second molding step, the second molded part is joined to the first molded part by injecting the resin while the first core is in contact with the second molded part and the second core is removed from the second molded part. Areas where the first core and the second core are located in the first molding step become hollow areas connected to each other and part of ends of the first core in the first direction is not in contact with the second core.
    Type: Grant
    Filed: June 23, 2017
    Date of Patent: October 8, 2019
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Yasushi Iijima, Yukuo Yamaguchi, Mikiya Umeyama, Satoshi Oikawa, Hiromasa Amma, Takuya Iwano, Satoshi Kimura, Naoko Tsujiuchi, Kyosuke Toda
  • Patent number: 10363692
    Abstract: There is provided a manufacturing method for molding a liquid supply member by using a first mold and a second mold in which the first mold is capable of being slid relatively to the second mold, the method including a first molding step of performing injection molding to form a first and second component parts of the liquid supply member at different positions from each other, an evacuating step of sliding the formed second component part in a direction intersecting with a direction of sliding of the first mold relative to the second mold and with a direction of the opening and the closing the first and the second mold, a contacting step of bringing the formed second component part into contact with the molded first component part, and a second molding step of performing injection molding to join the first component part and the second component part.
    Type: Grant
    Filed: May 11, 2016
    Date of Patent: July 30, 2019
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Satoshi Oikawa, Yukuo Yamaguchi, Mikiya Umeyama, Hiromasa Amma, Takuya Iwano, Satoshi Kimura, Naoko Tsujiuchi, Yasushi Iijima, Kyosuke Toda
  • Patent number: 10336072
    Abstract: A liquid ejection head includes a recording element board, a support member that supports the recording element board, and includes a first surface having a plurality of first openings that communicate with a first supply port and a second supply port, a second surface contacting a supply member and having a second opening that communicates with a supply path, and a flow path through which the plurality of first openings and the second opening communicate with each other. The support member includes a beam that is provided between the plurality of first openings and extends from the first surface to middle of the flow path, and in an arrangement direction of the plurality of first openings, a length of the second opening is shorter than a sum of lengths of the plurality of first openings and a length of the beam on the first surface.
    Type: Grant
    Filed: March 2, 2018
    Date of Patent: July 2, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kyosuke Toda, Yasushi Iijima, Tomohisa Atsuta
  • Patent number: 10307967
    Abstract: Provided is construction that in die slide injection molding, surely leaves each part in a mold on a specified side in the stage of opening a molding mold. In order to accomplish this, in an opening step, a push-out mechanism that applies a force on at least one of the individual parts is used to make the part surely belong to a desired mold.
    Type: Grant
    Filed: May 17, 2016
    Date of Patent: June 4, 2019
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Kyosuke Toda, Yukuo Yamaguchi, Mikiya Umeyama, Satoshi Oikawa, Hiromasa Amma, Takuya Iwano, Satoshi Kimura, Naoko Tsujiuchi, Yasushi Iijima
  • Patent number: 10300643
    Abstract: First and second constituting components are injection-molded and joined within one pair of molds. In order to join the first and second constituting components, one of the respective regions of the first and second constituting components abutted to each other is pushed into the other.
    Type: Grant
    Filed: May 18, 2016
    Date of Patent: May 28, 2019
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Naoko Tsujiuchi, Yukuo Yamaguchi, Mikiya Umeyama, Satoshi Oikawa, Hiromasa Amma, Takuya Iwano, Satoshi Kimura, Yasushi Iijima, Kyosuke Toda
  • Publication number: 20190137386
    Abstract: In an observation method for detecting presence of a target gas, first luminance information is obtained from a background, and second luminance information is obtained from luminance radiated from the background and observed through gas to be observed. An optical member capable of transmitting electromagnetic waves in a specific wavelength band and having the same temperature as atmospheric temperature is arranged between the background and an imaging device. Luminance information for an optical image obtained without passing through the optical member and luminance information for an optical image obtained through the optical member are used and an optical image corresponding to atmospheric temperature for the observation space or the vicinity thereof and comprising blackbody radiation electromagnetic waves in a specific wavelength band is obtained as third luminance information.
    Type: Application
    Filed: April 13, 2017
    Publication date: May 9, 2019
    Applicant: KONICA MINOLTA, INC.
    Inventors: Takashi MORIMOTO, Shunichi HAYAMIZU, Yasushi IIJIMA