Patents by Inventor Tadahiro Mizutani

Tadahiro Mizutani 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: 11007787
    Abstract: There are provided an ink refill container configured to appropriately refill an ink tank with ink and an ink refill system including such an ink refill container. An ink refill container 63 includes a container main body 64 provided to include an ink chamber 76; an ink outlet forming portion 66 provided at an edge of the container main body to include an ink outlet 65 configured to allow ink to flow out from the ink chamber; a valve 74 provided in the ink outlet forming portion and configured to seal the ink outlet in an openable and closable manner; and a positioning structure configured to abut on part of the ink tank and position the valve relative to the ink tank when the valve is opened. The positioning structure has a positioning surface 84 that is located on an opposite side to a container main body side where the container main body is located, across the valve and that is extended in a direction intersecting with a center axis 85 of the ink outlet.
    Type: Grant
    Filed: May 27, 2020
    Date of Patent: May 18, 2021
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Tadahiro Mizutani, Taku Ishizawa, Noriyuki Fukasawa, Naomi Kimura, Shoma Kudo, Manabu Akahane
  • Patent number: 11001068
    Abstract: An ink replenish container comprises a container main body that is able to store the ink; and an ink outlet formation member, attached to a front end side of the container main body, to form an ink outlet. The container main body includes a screw formation portion having a screw for engaging with the ink outlet formation member, and a shoulder portion provided on a front end side of the screw formation portion. The ink outlet formation member includes an abutting portion that abuts the shoulder portion.
    Type: Grant
    Filed: June 8, 2017
    Date of Patent: May 11, 2021
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Noriyuki Fukasawa, Taku Ishizawa, Tadashi Watanabe, Ryoichi Tanaka, Tadahiro Mizutani
  • Publication number: 20210129551
    Abstract: The printing system includes a liquid supply container that stores a liquid; a printing device that receives a liquid supplied from the liquid supply container and performs printing; an imaging device that acquires image information including at least a part of the liquid supply container; an acquisition section that acquires reference information; a determination section that collates the image information with the reference information and determines whether or not the liquid is allowed to be supplied according to a collation result; and a control section that controls the printing device according to the determination.
    Type: Application
    Filed: October 29, 2020
    Publication date: May 6, 2021
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Tadahiro MIZUTANI, Taku ISHIZAWA, Ryoichi TANAKA
  • Patent number: 10974512
    Abstract: An ink replenishing container includes an ink storage member in which an ink is stored, the ink storage member having a first side wall that defines the ink storage member and an opening portion surrounded by the first side wall, an ink outlet that communicates with the ink storage portion, and a film member that closes the opening portion.
    Type: Grant
    Filed: January 23, 2020
    Date of Patent: April 13, 2021
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Taku Ishizawa, Tadahiro Mizutani
  • Publication number: 20210078333
    Abstract: There is provided a technique of improving the mounting position of a liquid container relative to a liquid ejection device. The liquid container configured to be mountable to and dismountable from a case of the liquid ejection device includes a bag-like member that has flexibility and that includes a containing portion provided to contain a liquid inside thereof; and connection member that is located at an end of the bag-like member. The connection member includes a liquid outlet configured such that a liquid introducing element of the liquid ejection device is inserted in the liquid outlet; a container-side electrical connecting structure configured such that a device-side electrical connecting structure of the liquid ejection device is connected with the container-side electrical connecting structure; and two guided elements configured such that at least respective parts of two guide elements of the case are fitted in the two guided elements in a state that the liquid container is placed in the case.
    Type: Application
    Filed: August 7, 2017
    Publication date: March 18, 2021
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Takumi NAGASHIMA, Hiroyuki KAWATE, Yoshiaki SHIMIZU, Akihiro TOYA, Tetsuya TAKAMOTO, Tadahiro MIZUTANI, Hiroyoshi OZEKI, Manabu YAMAGUCHI
  • Publication number: 20210060960
    Abstract: An ink container includes: a container body that contains ink; and an ink outlet forming portion that has an ink outlet. The container body includes a first connection portion provided around an opening. The ink outlet forming portion includes a second connection portion connectable to the first connection portion. The first connection portion includes a first screw forming portion provided on an outer surface. The second connection portion includes a second screw forming portion provided on an inner surface and configured to be brought into thread engagement with the first screw forming portion. The container body and the ink outlet forming portion include a stopper located inside an outer circumference of the second connection portion in a radial direction, the center of which is a center axis of the first connection portion and the second connection portion.
    Type: Application
    Filed: August 28, 2020
    Publication date: March 4, 2021
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Yoshiaki SHIMIZU, Tadahiro MIZUTANI, Taku ISHIZAWA
  • Patent number: 10913280
    Abstract: An ink replenish container comprises a container main body that is able to store the ink; and an ink outlet formation member, attached to a front end side of the container main body, to form an ink outlet. The container main body includes a screw formation portion having a screw for engaging with the ink outlet formation member, and a shoulder portion provided on a front end side of the screw formation portion. The ink outlet formation member includes an abutting portion that abuts the shoulder portion.
    Type: Grant
    Filed: June 8, 2017
    Date of Patent: February 9, 2021
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Noriyuki Fukasawa, Taku Ishizawa, Tadashi Watanabe, Ryoichi Tanaka, Tadahiro Mizutani
  • Publication number: 20210031536
    Abstract: A container stores a fluid for use in an ink jet printer. The container includes: a casing that defines a storage space for storing the fluid, and has an opening communicating with the storage space; a film that covers the opening and seals the storage space; and a film attachment section that fixes the film to the casing. The casing includes a first surface that surrounds a periphery of the opening, and faces the film, and a second surface that surrounds the opening at a position farther from the opening than the first surface, has an angle intersecting the first surface, and faces the film, and the film attachment section is provided on the second surface.
    Type: Application
    Filed: July 30, 2020
    Publication date: February 4, 2021
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Taku ISHIZAWA, Tadahiro MIZUTANI, Takuma OZAWA
  • Publication number: 20210023850
    Abstract: An ink refill container includes a container main body including an ink storage chamber, an ink outlet-forming portion provided on an end portion of the container main body forming an ink outlet that allows the ink to flow out from the ink storage chamber, and a valve provided in the ink outlet-forming portion configured to openably seal the ink outlet, in which the ink outlet-forming portion includes a positioning portion on an outer side of the ink outlet-forming portion. in which the positioning portion is closer to the container main body than the valve is to the container main body in a central axis direction of the ink outlet, and in which the positioning portion partially abuts against an ink tank when the valve is opened for refilling the ink to the ink tank, to thereby position the valve relative to the ink tank.
    Type: Application
    Filed: October 14, 2020
    Publication date: January 28, 2021
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Tadahiro MIZUTANI, Ryoichi TANAKA, Manabu AKAHANE, Makoto KOBAYASHI, Naomi KIMURA, Hideki OKUMURA, Shoma KUDO, Tetsuya TAKAMOTO, Hiroaki SAKAI
  • Patent number: 10889123
    Abstract: An ink refill container 63 includes a container main body 64 including an ink storage chamber 76, an ink outlet-forming portion 66 provided on an end portion of the container main body forming an ink outlet 65 that allows the ink to flow out from the ink storage chamber, and a valve 74 provided in the ink outlet-forming portion configured to openably seal the ink outlet, in which the ink outlet-forming portion includes a positioning portion 73 on an outer side of the ink outlet-forming portion. in which the positioning portion 73 is closer to the container main body than the valve 74 is to the container main body in a central axis direction of the ink outlet, and in which the positioning portion partially abuts against an ink tank 41-45 when the valve is opened for refilling the ink to the ink tank, to thereby position the valve relative to the ink tank.
    Type: Grant
    Filed: April 23, 2020
    Date of Patent: January 12, 2021
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Tadahiro Mizutani, Ryoichi Tanaka, Manabu Akahane, Makoto Kobayashi, Naomi Kimura, Hideki Okumura, Shoma Kudo, Tetsuya Takamoto, Hiroaki Sakai
  • Publication number: 20200406625
    Abstract: A liquid supply system includes a carriage, a plurality of tanks mounted on the carriage, and a plurality of liquid containers for filling a corresponding tank of the plurality of tanks with liquid. The plurality of tanks include a first tank and a second tank in which liquid receiving sections are arranged adjacent to each other in an arrangement direction in the carriage, the plurality of liquid containers include a first liquid container for filling the first tank with the liquid and a second liquid container for filling the second tank with the liquid, and the first liquid container has a portion that, when the first liquid container is set to a first tank filling posture, interferes with a disposition region of the second liquid container when the second liquid container is set to a second tank filling posture.
    Type: Application
    Filed: June 26, 2020
    Publication date: December 31, 2020
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Tadahiro MIZUTANI, Taku ISHIZAWA
  • Patent number: 10857802
    Abstract: A liquid container comprises a liquid supply port provided in a bottom wall, a first chamber configured to contain a liquid, a second chamber configured to contain the liquid and to include at least one sub-chamber having a smaller dimension in the X direction than that of the first chamber, a partition wall configured to part the first chamber from the second chamber, and a connecting hole configured to connect the first chamber with the second chamber. The second chamber is connected with the liquid supply port, and the first chamber is connected with the liquid supply port via the connecting hole and the second chamber. The liquid contained in the first chamber is flowed from the connecting hole into the second chamber and is subsequently introduced through the sub-chamber to the liquid supply port.
    Type: Grant
    Filed: April 8, 2019
    Date of Patent: December 8, 2020
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Tadahiro Mizutani, Ryoichi Tanaka, Taku Ishizawa, Atsushi Kobayashi, Koichi Toba, Yoshiaki Shimizu, Shun Oya
  • Patent number: 10843471
    Abstract: A liquid ejection apparatus comprises a carriage that includes a liquid ejection head and that moves inside a predetermined moving range, a plurality of liquid containers mounted on the carriage, the plurality of liquid containers including liquid refill ports respectively, an exterior member that covers the moving range, the exterior member including an opening configured to have a liquid outlet portion of the liquid refilling container be inserted therein, a selection information receiving portion that receives an input of a selected target liquid container, among the plurality of liquid containers, in which refilling of the liquid is to be performed, and a control unit that, using selection information that the selected information receiving portion has received, moves the carriage so that the liquid refill port of the target liquid container faces the opening.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: November 24, 2020
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Taku Ishizawa, Tadahiro Mizutani
  • Patent number: 10843475
    Abstract: An ink refill container 63 includes a container main body 64 including an ink storage chamber 76, an ink outlet-forming portion 66 provided on an end portion of the container main body forming an ink outlet 65 that allows the ink to flow out from the ink storage chamber, and a valve 74 provided in the ink outlet-forming portion configured to openably seal the ink outlet, in which the ink outlet-forming portion includes a positioning portion 73 on an outer side of the ink outlet-forming portion. in which the positioning portion 73 is closer to the container main body than the valve 74 is to the container main body in a central axis direction of the ink outlet, and in which the positioning portion partially abuts against an ink tank 41-45 when the valve is opened for refilling the ink to the ink tank, to thereby position the valve relative to the ink tank.
    Type: Grant
    Filed: April 23, 2020
    Date of Patent: November 24, 2020
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Tadahiro Mizutani, Ryoichi Tanaka, Manabu Akahane, Makoto Kobayashi, Naomi Kimura, Hideki Okumura, Shoma Kudo, Tetsuya Takamoto, Hiroaki Sakai
  • Publication number: 20200298579
    Abstract: An ink refill container 63 includes a container main body 64 including an ink storage chamber 76, an ink outlet-forming portion 66 provided on an end portion of the container main body forming an ink outlet 65 that allows the ink to flow out from the ink storage chamber, and a valve 74 provided in the ink outlet-forming portion configured to openably seal the ink outlet, in which the ink outlet-forming portion includes a positioning portion 73 on an outer side of the ink outlet-forming portion. in which the positioning portion 73 is closer to the container main body than the valve 74 is to the container main body in a central axis direction of the ink outlet, and in which the positioning portion partially abuts against an ink tank 41-45 when the valve is opened for refilling the ink to the ink tank, to thereby position the valve relative to the ink tank.
    Type: Application
    Filed: April 23, 2020
    Publication date: September 24, 2020
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Tadahiro MIZUTANI, Ryoichi TANAKA, Manabu AKAHANE, Makoto KOBAYASHI, Naomi KIMURA, Hideki OKUMURA, Shoma KUDO, Tetsuya TAKAMOTO, Hiroaki SAKAI
  • Publication number: 20200282730
    Abstract: There are provided an ink refill container configured to appropriately refill an ink tank with ink and an ink refill system including such an ink refill container. An ink refill container 63 includes a container main body 64 provided to include an ink chamber 76; an ink outlet forming portion 66 provided at an edge of the container main body to include an ink outlet 65 configured to allow ink to flow out from the ink chamber; a valve 74 provided in the ink outlet forming portion and configured to seal the ink outlet in an openable and closable manner; and a positioning structure configured to abut on part of the ink tank and position the valve relative to the ink tank when the valve is opened. The positioning structure has a positioning surface 84 that is located on an opposite side to a container main body side where the container main body is located, across the valve and that is extended in a direction intersecting with a center axis 85 of the ink outlet.
    Type: Application
    Filed: May 27, 2020
    Publication date: September 10, 2020
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Tadahiro MIZUTANI, Taku ISHIZAWA, Noriyuki FUKASAWA, Naomi KIMURA, Shoma KUDO, Manabu AKAHANE
  • Publication number: 20200276825
    Abstract: A liquid container including a liquid storing chamber that stores a liquid, a first member including a cylindrical first side wall surrounding at least a portion of the liquid storing chamber, a first opening surrounded by a first end portion of the first side wall, and a second opening surrounded by a second end portion of the first side wall, a liquid outlet member including an outlet through which the liquid flows out, the liquid outlet member being attached to the first opening, and a second member joined to the first member, the second member sealing the liquid storing chamber from a second opening side. When viewed in a central axis direction of the first member, a joint between the first member and the second member is formed outside an area surrounded by a boundary between the first member and the second member in the liquid storing chamber.
    Type: Application
    Filed: February 27, 2020
    Publication date: September 3, 2020
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Yoshiaki SHIMIZU, Ryoichi TANAKA, Taku ISHIZAWA, Tadahiro MIZUTANI
  • Publication number: 20200269589
    Abstract: The liquid container includes a housing member including an external circumferential wall surrounding a liquid storing chamber, an opening surrounded by an end portion of the external circumferential wall, and a closing wall opposing the liquid storing chamber at a position deep inside with respect to the opening, an external edge portion of the closing wall coupled to an end portion of the external circumferential wall, in which the liquid outlet portion is provided in the external circumferential wall; a valve provided in the liquid outlet portion, the valve being opened by having both a first pipe through which atmospheric air flows and a second pipe through which the liquid flows inserted therein when the liquid is made to flow out from the liquid storing chamber; a flexible wall sealing the opening portion; and an inner wall that extends from the closing wall towards an opening portion side in an area surrounded by the external circumferential wall and that is in contact with the flexible wall.
    Type: Application
    Filed: February 20, 2020
    Publication date: August 27, 2020
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Seigo MIYAZAWA, Tadahiro MIZUTANI, Taku ISHIZAWA
  • Patent number: 10752003
    Abstract: There are provided an ink refill container configured to appropriately refill an ink tank with ink and an ink refill system including such an ink refill container. An ink refill container 63 includes a container main body 64 provided to include an ink chamber 76; an ink outlet forming portion 66 provided at an edge of the container main body to include an ink outlet 65 configured to allow ink to flow out from the ink chamber; a valve 74 provided in the ink outlet forming portion and configured to seal the ink outlet in an openable and closable manner; and a positioning structure configured to abut on part of the ink tank and position the valve relative to the ink tank when the valve is opened. The positioning structure has a positioning surface 84 that is located on an opposite side to a container main body side where the container main body is located, across the valve and that is extended in a direction intersecting with a center axis 85 of the ink outlet.
    Type: Grant
    Filed: June 8, 2017
    Date of Patent: August 25, 2020
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Tadahiro Mizutani, Taku Ishizawa, Noriyuki Fukasawa, Naomi Kimura, Shoma Kudo, Manabu Akahane
  • Patent number: 10744779
    Abstract: A bottle set includes a bottle and a lid member. The bottle has an ink container, a nozzle and a joint portion integrally formed with the nozzle and having a thread configured to engage the nozzle with the ink container. The lid member is attachable to and detachable from the bottle. An outflow port is formed in the nozzle. The outflow port is configured such that the ink in the ink container flows out from the outflow port. The lid member has a tubular barrel, a top plate that closes a barrel end of the tubular barrel, and a plug projecting from the top plate toward the nozzle. A distance from the barrel end of the tubular barrel to a distal end of the plug being shorter than a distance from a nozzle end of the nozzle to the joint portion.
    Type: Grant
    Filed: February 11, 2019
    Date of Patent: August 18, 2020
    Assignee: Seiko Epson Corporation
    Inventors: Takumi Nagashima, Tetsuya Takamoto, Hiroyuki Nakamura, Tadahiro Mizutani