Patents by Inventor Naoki Naito

Naoki Naito 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: 12156471
    Abstract: The present disclosure provides a novel multilayer body. The multilayer body of the present disclosure includes a first phononic crystal layer and a second phononic crystal layer disposed on or above the first phononic crystal layer. The first phononic crystal layer has a first phononic crystal structure including a plurality of regularly arranged first through holes. The second phononic crystal layer has a second phononic crystal structure including a plurality of regularly arranged second through holes. The through direction of the plurality of first through holes in the first phononic crystal layer is substantially parallel to the through direction of the plurality of second through holes in the second phononic crystal layer.
    Type: Grant
    Filed: June 16, 2021
    Date of Patent: November 26, 2024
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Masaki Fujikane, Naoki Tambo, Kunihiko Nakamura, Kouhei Takahashi, Yasuyuki Naito
  • Patent number: 12017459
    Abstract: Provided is a liquid container configured to be detachably attached to a printer body. The liquid container includes a liquid containing portion, a supplying passage member, and an adapter. The liquid containing portion is a portion for containing liquid. The supplying passage member has a supplying passage in liquid communication with the liquid containing portion, the liquid contained in the liquid containing portion being supplied toward the printer body through the supplying passage. The adapter is mounted on the supplying passage member and configured to couple the supplying passage to the printer body. The adapter and the supplying passage member are joined by snap fitting.
    Type: Grant
    Filed: July 14, 2022
    Date of Patent: June 25, 2024
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Masahiro Karasawa, Naoki Naito, Yuji Aoki, Kazuyuki Hirata, Kiyoteru Katsuki
  • Publication number: 20230241899
    Abstract: An ink container includes a storage section configured to store an ink, a supply tube configured to supply the ink stored in the storage section to a printer, a sealing member disposed in the supply tube, and a holding member configured to hold the sealing member. The holding member is detachably attached to the supply tube and has an indication that indicates that a refilling operation was performed.
    Type: Application
    Filed: February 2, 2023
    Publication date: August 3, 2023
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Naoki NAITO, Eiko YANAGIDA, Yoshiharu MIZUNO
  • Publication number: 20230150248
    Abstract: A liquid storage bag includes a bag configured to store a liquid and a feeder that feeds the liquid in the bag to an external component. The bag is formed of a film. The film includes a first base layer, a second base layer, and a first black layer located between the first base layer and the second base layer. The first black layer is formed of a black colorant filling a layer surface of the second base layer.
    Type: Application
    Filed: November 16, 2022
    Publication date: May 18, 2023
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Naoki NAITO, Yuji AOKI
  • Publication number: 20230018269
    Abstract: Provided is a liquid container configured to be detachably attached to a printer body. The liquid container includes a liquid containing portion, a supplying passage member, and an adapter. The liquid containing portion is a portion for containing liquid. The supplying passage member has a supplying passage in liquid communication with the liquid containing portion, the liquid contained in the liquid containing portion being supplied toward the printer body through the supplying passage. The adapter is mounted on the supplying passage member and configured to couple the supplying passage to the printer body. The adapter and the supplying passage member are joined by snap fitting.
    Type: Application
    Filed: July 14, 2022
    Publication date: January 19, 2023
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Masahiro KARASAWA, Naoki NAITO, Yuji AOKI, Kazuyuki HIRATA, Kiyoteru KATSUKI
  • Patent number: 11541665
    Abstract: A liquid storage container includes a storage chamber that stores a liquid, a filter chamber that is provided with a filter and receives the liquid from the storage chamber to filter the liquid by the filter, and a partition wall that separates the storage chamber and the filter chamber. The partition wall is provided with a communication hole structure that allows the storage chamber and the filter chamber to communicate with each other. A shape of one or more openings of the communication hole structure in the storage chamber is a shape in which a distance from a center of gravity of an entirety of the one or more openings to the closest point in a contour defining the one or more openings is smaller than a radius of a circle having the same area as an area of the entirety of the one or more openings.
    Type: Grant
    Filed: April 19, 2021
    Date of Patent: January 3, 2023
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Naoki Naito, Masahiro Karasawa
  • Patent number: 11396185
    Abstract: A liquid container includes: a liquid containing section that stores liquid; a supply port joined to the liquid containing section, the supply port having an opening for supplying the liquid to an outside; a seal member disposed on an inner peripheral surface of the opening of the supply port; a cap configured to be attached to a position where it covers the supply port, the cap having a tubular protruding portion extending from a cap opening formed at a center of the cap, the protruding portion having a length sufficient to be inserted into the opening of the supply port; and a fixation portion that fixes the cap to the supply port, wherein the tubular protruding portion has a shape that abuts the seal member disposed on an inner peripheral surface of the opening when the cap is fixed to the supply port by the fixation portion.
    Type: Grant
    Filed: December 23, 2020
    Date of Patent: July 26, 2022
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Naoki Naito
  • Patent number: 11198298
    Abstract: A technique for suppressing a contact failure between a contact portion and an apparatus-side terminal in a cartridge including a case, a liquid supply port, and a contact portion that is disposed at a corner where a front surface and a top surface intersect each other and is in contact with an apparatus-side terminal of a liquid ejecting apparatus, the liquid supply port is disposed at the center of the case in a width direction in which a first side surface and a second side surface oppose each other, and the contact portion is disposed at a position shifted to one side of the first side surface side and the second side surface side in the width direction.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: December 14, 2021
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Yuji Aoki, Atsushi Yoshida, Naoki Naito
  • Patent number: 11179942
    Abstract: A liquid ejection system includes: a liquid ejection apparatus; and a liquid storage container, wherein the liquid ejection apparatus includes a mounting unit having an apparatus-side terminal portion that is elastically deformable in a mounting direction, and an apparatus-side locking portion that restricts the liquid storage container from moving in a direction opposite to the mounting direction of the liquid storage container, and the liquid storage container includes a top surface located on an upper side in a vertical direction in a mounted state in which the liquid storage container is mounted, a container-side locking portion, the container-side locking portion being provided on the top surface, and a container-side terminal portion coupled to the apparatus-side terminal portion, the container-side terminal portion being provided at a position closer to the top surface than to a center of the liquid storage container in the vertical direction.
    Type: Grant
    Filed: March 20, 2020
    Date of Patent: November 23, 2021
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Naoki Naito, Takeshi Komaki, Noriyuki Fukasawa, Takanori Matsuda
  • Publication number: 20210323311
    Abstract: A liquid storage container includes a storage chamber that stores a liquid, a filter chamber that is provided with a filter and receives the liquid from the storage chamber to filter the liquid by the filter, and a partition wall that separates the storage chamber and the filter chamber. The partition wall is provided with a communication hole structure that allows the storage chamber and the filter chamber to communicate with each other. A shape of one or more openings of the communication hole structure in the storage chamber is a shape in which a distance from a center of gravity of an entirety of the one or more openings to the closest point in a contour defining the one or more openings is smaller than a radius of a circle having the same area as an area of the entirety of the one or more openings.
    Type: Application
    Filed: April 19, 2021
    Publication date: October 21, 2021
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Naoki NAITO, Masahiro KARASAWA
  • Publication number: 20210197573
    Abstract: A liquid container includes: a liquid containing section that stores liquid; a supply port joined to the liquid containing section, the supply port having an opening for supplying the liquid to an outside; a seal member disposed on an inner peripheral surface of the opening of the supply port; a cap configured to be attached to a position where it covers the supply port, the cap having a tubular protruding portion extending from a cap opening formed at a center of the cap, the protruding portion having a length sufficient to be inserted into the opening of the supply port; and a fixation portion that fixes the cap to the supply port, wherein the tubular protruding portion has a shape that abuts the seal member disposed on an inner peripheral surface of the opening when the cap is fixed to the supply port by the fixation portion.
    Type: Application
    Filed: December 23, 2020
    Publication date: July 1, 2021
    Applicant: SEIKO EPSON CORPORATION
    Inventor: Naoki NAITO
  • Patent number: 10987934
    Abstract: A sealing structure for a liquid storage container includes a liquid supplying section having an opening for supplying a liquid in the liquid storage container, and a film member covering the opening. The liquid supplying section includes a flow path forming member having a flow path communicating with the opening, and a sealing member disposed in the flow path, and the flow path forming member has a welding protrusion protruding from a surface of the sealing member on the opening side, the film member is welded to the welding protrusion, and the film member and the sealing member are spaced from each other.
    Type: Grant
    Filed: January 17, 2020
    Date of Patent: April 27, 2021
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Naoki Naito
  • Patent number: 10845730
    Abstract: A liquid container is configured to be fitted to the carriage of a liquid consumption device including the carriage where a head is provided and that jets, while making the carriage reciprocate, a liquid from the head so as to consume and stores the liquid to be supplied to the head. The liquid container includes: a liquid storage portion configured to store the liquid inside; an undulation reduction portion provided in the liquid storage portion and including a wall surface configured to reduce the undulation of the liquid and be directed in the direction of gravity in a fitting posture where the liquid container is fitted to the carriage; and a support portion configured to support the undulation reduction portion such that the undulation reduction portion is allowed to swing with the liquid and that the movement of the wall surface along the direction of gravity is restricted.
    Type: Grant
    Filed: April 15, 2019
    Date of Patent: November 24, 2020
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Naoki Naito, Ryota Takahashi
  • Publication number: 20200298576
    Abstract: A liquid ejection system includes: a liquid ejection apparatus; and a liquid storage container, wherein the liquid ejection apparatus includes a mounting unit having an apparatus-side terminal portion that is elastically deformable in a mounting direction, and an apparatus-side locking portion that restricts the liquid storage container from moving in a direction opposite to the mounting direction of the liquid storage container, and the liquid storage container includes a top surface located on an upper side in a vertical direction in a mounted state in which the liquid storage container is mounted, a container-side locking portion, the container-side locking portion being provided on the top surface, and a container-side terminal portion coupled to the apparatus-side terminal portion, the container-side terminal portion being provided at a position closer to the top surface than to a center of the liquid storage container in the vertical direction.
    Type: Application
    Filed: March 20, 2020
    Publication date: September 24, 2020
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Naoki NAITO, Takeshi KOMAKI, Noriyuki FUKASAWA, Takanori MATSUDA
  • Publication number: 20200276821
    Abstract: A technique for suppressing a contact failure between a contact portion and an apparatus-side terminal in a cartridge including a case, a liquid supply port, and a contact portion that is disposed at a corner where a front surface and a top surface intersect each other and is in contact with an apparatus-side terminal of a liquid ejecting apparatus, the liquid supply port is disposed at the center of the case in a width direction in which a first side surface and a second side surface oppose each other, and the contact portion is disposed at a position shifted to one side of the first side surface side and the second side surface side in the width direction.
    Type: Application
    Filed: November 15, 2018
    Publication date: September 3, 2020
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Yuji AOKI, Atsushi YOSHIDA, Naoki NAITO
  • Publication number: 20200230967
    Abstract: A sealing structure for a liquid storage container includes a liquid supplying section having an opening for supplying a liquid in the liquid storage container, and a film member covering the opening. The liquid supplying section includes a flow path forming member having a flow path communicating with the opening, and a sealing member disposed in the flow path, and the flow path forming member has a welding protrusion protruding from a surface of the sealing member on the opening side, the film member is welded to the welding protrusion, and the film member and the sealing member are spaced from each other.
    Type: Application
    Filed: January 17, 2020
    Publication date: July 23, 2020
    Applicant: SEIKO EPSON CORPORATION
    Inventor: Naoki NAITO
  • Patent number: 10464331
    Abstract: The liquid container includes: a container main body including a containment chamber containing a liquid and has some walls including a front-end wall, a rear-end wall, and an upper-surface wall; a liquid outlet connected to a liquid-consuming device to flow out the liquid from the containment chamber to the liquid-consuming device; a liquid inlet on the upper-surface wall at a position closer to the rear-end wall and accepts injection of the liquid from outside of the container main body into the containment chamber; and a visual recognition portion that is provided on the rear-end wall and is see-through so that a position of a liquid surface of the liquid in the containment chamber is recognizable. The rear-end wall has scale marks as indexes of an amount of the liquid in the containment chamber on an outer wall surface and an inner wall surface.
    Type: Grant
    Filed: July 9, 2018
    Date of Patent: November 5, 2019
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Naoki Naito, Yuji Aoki, Kazuyuki Hirata, Hiroshi Nose, Keita Ichihara
  • Publication number: 20190317426
    Abstract: A liquid container is configured to be fitted to the carriage of a liquid consumption device including the carriage where a head is provided and that jets, while making the carriage reciprocate, a liquid from the head so as to consume and stores the liquid to be supplied to the head. The liquid container includes: a liquid storage portion configured to store the liquid inside; an undulation reduction portion provided in the liquid storage portion and including a wall surface configured to reduce the undulation of the liquid and be directed in the direction of gravity in a fitting posture where the liquid container is fitted to the carriage; and a support portion configured to support the undulation reduction portion such that the undulation reduction portion is allowed to swing with the liquid and that the movement of the wall surface along the direction of gravity is restricted.
    Type: Application
    Filed: April 15, 2019
    Publication date: October 17, 2019
    Applicant: Seiko Epson Corporation
    Inventors: Naoki NAITO, Ryota TAKAHASHI
  • Patent number: D875173
    Type: Grant
    Filed: November 28, 2017
    Date of Patent: February 11, 2020
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Naoki Naito, Yuji Aoki
  • Patent number: D1016142
    Type: Grant
    Filed: February 25, 2022
    Date of Patent: February 27, 2024
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Masahiro Karasawa, Naoki Naito, Yuji Aoki, Kiyoteru Katsuki