Patents by Inventor Kazumasa Matsushita

Kazumasa Matsushita 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: 20200207103
    Abstract: A liquid ejection apparatus includes: a liquid ejection unit; a liquid storage container including a replenishment port through which to replenish the liquid storage container with a liquid and an opening-closing member which closes and opens the replenishment port; and a notification unit configured to notify a user of information to be recognized by the user; and a control unit configured to control the notification unit. In a case where the time elapsed since the previous liquid ejection by the liquid ejection unit is a predetermined time or longer, the control unit causes the notification unit to notify the user of information on replenishment of the liquid storage container with a liquid.
    Type: Application
    Filed: December 19, 2019
    Publication date: July 2, 2020
    Inventors: Yuji Tamaru, Kazumasa Matsushita, Hirofumi Okuhara, Chiaki Muraoka
  • Publication number: 20200198359
    Abstract: To provide a liquid storage container equipped with a plug member that can prevent leakage of a liquid from the liquid storage container and can be opened without causing scatter of the liquid, and a liquid ejection apparatus equipped with the liquid storage container. For the purpose, at least one of a connection part of the convex part with the cover part and an apical part of the convex part most apart from the connection part is provided offset from the centroid of the cover part, seen from a direction orthogonal to an opening surface of a supply port in a state that the plug member is mounted on a supply port of the liquid storage container.
    Type: Application
    Filed: March 4, 2020
    Publication date: June 25, 2020
    Inventors: Ryo Shimamura, Akira Shiba, Kazuya Yoshii, Norihiro Ikebe, Takeho Miyashita, Tomoki Yamamuro, Atsushi Arai, Masatoshi Ohira, Tatsuaki Orihara, Hirofumi Okuhara, Kazumasa Matsushita, Misato Furuya
  • Patent number: 10618300
    Abstract: To provide a liquid storage container equipped with a plug member that can prevent leakage of a liquid from the liquid storage container and can be opened without causing scatter of the liquid, and a liquid ejection apparatus equipped with the liquid storage container. For the purpose, at least one of a connection part of the convex part with the cover part and an apical part of the convex part most apart from the connection part is provided offset from the centroid of the cover part, seen from a direction orthogonal to an opening surface of a supply port in a state that the plug member is mounted on a supply port of the liquid storage container.
    Type: Grant
    Filed: August 30, 2018
    Date of Patent: April 14, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventors: Ryo Shimamura, Akira Shiba, Kazuya Yoshii, Norihiro Ikebe, Takeho Miyashita, Tomoki Yamamuro, Atsushi Arai, Masatoshi Ohira, Tatsuaki Orihara, Hirofumi Okuhara, Kazumasa Matsushita, Misato Furuya
  • Patent number: 10611162
    Abstract: There are provided a liquid container including a plug member which prevents leakage of a liquid from the liquid container and can be opened without scattering the liquid and a liquid ejection apparatus including the liquid container. For that purpose, a projecting portion in the plug member is provided below a center part of the plug member in a gravity direction in an attitude at the time of use of the liquid ejection apparatus.
    Type: Grant
    Filed: September 24, 2018
    Date of Patent: April 7, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventors: Norihiro Ikebe, Ryo Shimamura, Akira Shiba, Kazuya Yoshii, Takeho Miyashita, Tomoki Yamamuro, Atsushi Arai, Masatoshi Ohira, Tatsuaki Orihara, Hirofumi Okuhara, Kazumasa Matsushita, Misato Furuya
  • Patent number: 10538092
    Abstract: A liquid supplying mechanism includes: a tank including a liquid storage section configured to store a liquid, and a liquid injection port configured to inject the liquid into the liquid storage section; and a bottle configured to replenish the liquid into the tank. The bottle includes: a bottle section configured to store the liquid; and a protruding section, which protrudes from the bottle section, and is insertable into the liquid injection port so as to inject, into the liquid storage section, the liquid stored in the bottle section. The liquid injection port includes: a protruding section insertion portion into which the protruding section of the bottle is insertable; and a protruding section fixing portion, which is engageable with the protruding section of the bottle, to thereby be capable of fixing the bottle to the tank.
    Type: Grant
    Filed: July 23, 2019
    Date of Patent: January 21, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takeho Miyashita, Ryo Shimamura, Akira Shiba, Kazuya Yoshii, Norihiro Ikebe, Tomoki Yamamuro, Atsushi Arai, Masatoshi Ohira, Tatsuaki Orihara, Hirofumi Okuhara, Kazumasa Matsushita, Misato Furuya
  • Publication number: 20190344577
    Abstract: A liquid supplying mechanism includes: a tank including a liquid storage section configured to store a liquid, and a liquid injection port configured to inject the liquid into the liquid storage section; and a bottle configured to replenish the liquid into the tank. The bottle includes: a bottle section configured to store the liquid; and a protruding section, which protrudes from the bottle section, and is insertable into the liquid injection port so as to inject, into the liquid storage section, the liquid stored in the bottle section. The liquid injection port includes: a protruding section insertion portion into which the protruding section of the bottle is insertable; and a protruding section fixing portion, which is engageable with the protruding section of the bottle, to thereby be capable of fixing the bottle to the tank.
    Type: Application
    Filed: July 23, 2019
    Publication date: November 14, 2019
    Inventors: Takeho Miyashita, Ryo Shimamura, Akira Shiba, Kazuya Yoshii, Norihiro Ikebe, Tomoki Yamamuro, Atsushi Arai, Masatoshi Ohira, Tatsuaki Orihara, Hirofumi Okuhara, Kazumasa Matsushita, Misato Furuya
  • Publication number: 20190337296
    Abstract: A liquid container unit includes: a liquid container including: a plurality of liquid storage portions; and a plurality of injection ports which are provided to the respective plurality of liquid storage portions, and are configured to enable injection of liquid into the plurality of liquid storage portions; and an injection port cover which is provided to the liquid container so as to be rotatable and is configured to cover the plurality of injection ports so as to be openable and closable, the injection port cover including a plurality of stopper members configured to close the plurality of injection ports when the injection port cover is closed.
    Type: Application
    Filed: July 17, 2019
    Publication date: November 7, 2019
    Inventors: Atsushi Arai, Tomoki Yamamuro, Tatsuaki Orihara, Takeho Miyashita, Kazuya Yoshii, Norihiro Ikebe, Akira Shiba, Ryo Shimamura, Masatoshi Ohira, Hirofumi Okuhara, Kazumasa Matsushita, Misato Furuya
  • Patent number: 10427412
    Abstract: An object is to provide a liquid ejecting apparatus that enables a liquid storage container to be properly and easily refilled with a liquid from a liquid refilling container without causing color mixture in the liquid storage container. The liquid ejecting apparatus includes liquid storage containers each configured to feed the liquid to a liquid ejecting portion and liquid refilling containers each configured to refill the liquid storage container with the liquid. A first fitting unit is provided around a liquid injection port in each of the liquid storage containers. A second fitting unit is provided around a liquid pour-out port in each of the liquid refilling containers. The second fitting unit is fitted to the first fitting unit to enable the liquid to be delivered from the liquid pour-out port to the liquid injection port.
    Type: Grant
    Filed: May 9, 2017
    Date of Patent: October 1, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kyoshiro Okude, Masateru Komori, Masato Koshimizu, Tsuyoshi Saeki, Yukimichi Kimura, Masahiro Kawanishi, Masaaki Matsuura, Katsuyuki Yokoi, Akira Shiba, Ryo Shimamura, Kazuya Yoshii, Norihiro Ikebe, Takeho Miyashita, Tomoki Yamamuro, Atsushi Arai, Masatoshi Ohira, Tatsuaki Orihara, Hirofumi Okuhara, Kazumasa Matsushita, Misato Furuya
  • Patent number: 10399347
    Abstract: A liquid supplying mechanism includes: a tank including a liquid storage section configured to store a liquid, and a liquid injection port configured to inject the liquid into the liquid storage section; and a bottle configured to replenish the liquid into the tank. The bottle includes: a bottle section configured to store the liquid; and a protruding section, which protrudes from the bottle section, and is insertable into the liquid injection port so as to inject, into the liquid storage section, the liquid stored in the bottle section. The liquid injection port includes: a protruding section insertion portion into which the protruding section of the bottle is insertable; and a protruding section fixing portion, which is engageable with the protruding section of the bottle, to thereby be capable of fixing the bottle to the tank.
    Type: Grant
    Filed: June 16, 2017
    Date of Patent: September 3, 2019
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Takeho Miyashita, Ryo Shimamura, Akira Shiba, Kazuya Yoshii, Norihiro Ikebe, Tomoki Yamamuro, Atsushi Arai, Masatoshi Ohira, Tatsuaki Orihara, Hirofumi Okuhara, Kazumasa Matsushita, Misato Furuya
  • Patent number: 10399346
    Abstract: A liquid container unit includes: a liquid container including: a plurality of liquid storage portions; and a plurality of injection ports which are provided to the respective plurality of liquid storage portions, and are configured to enable injection of liquid into the plurality of liquid storage portions; and an injection port cover which is provided to the liquid container so as to be rotatable and is configured to cover the plurality of injection ports so as to be openable and closable, the injection port cover including a plurality of stopper members configured to close the plurality of injection ports when the injection port cover is closed.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: September 3, 2019
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Atsushi Arai, Tomoki Yamamuro, Tatsuaki Orihara, Takeho Miyashita, Kazuya Yoshii, Norihiro Ikebe, Akira Shiba, Ryo Shimamura, Masatoshi Ohira, Hirofumi Okuhara, Kazumasa Matsushita, Misato Furuya
  • Patent number: 10328696
    Abstract: A liquid ejection head includes a plurality of ejection ports, a plurality of pressure chambers each communicating with each of the ejection ports, a piezoelectric actuator constituting part of walls of the pressure chambers, and a common liquid chamber containing liquid to be supplied to the pressure chambers. The pressure chambers and the common liquid chamber are opposed with an opposing wall interposed therebetween. The opposing wall faces the wall of the pressure chambers constituted by the piezoelectric actuator. A reinforcing portion that supports the opposing wall is provided in the common liquid chamber.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: June 25, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazuhiro Ishii, Junichiro Iri, Ryo Sato, Hiroyuki Shimoyama, Kazumasa Matsushita, Kenji Kitabatake
  • Patent number: 10259221
    Abstract: An element substrate in which a plurality of members are layered. Plates and a substrate serving as the plurality of members being layered and adhered to each other. The element substrate including a plurality of ejection ports that eject a liquid, and a plurality of supply ports that each communicate with a different ejection port. At least one of the members includes a groove that is, when viewing, from above, a surface in which the ejection ports are formed, formed between two ejection ports, each of which communicates to a different supply port.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: April 16, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Junichiro Iri, Kazuhiro Ishii, Ryo Sato, Hiroyuki Shimoyama, Kazumasa Matsushita, Kenji Kitabatake
  • Patent number: 10223624
    Abstract: A notification device can suppress the occurrence of a user's mistake in supplementing a printing liquid. An acquisition unit that acquires information relating to a residual amount of each of a plurality of printing liquids supplied to a printing apparatus and a determination unit that determines whether or not each of the plurality of printing liquids is a printing liquid of a notification target of which a residual amount is a predetermined amount or less based on the acquired information are included. In addition, a notification unit that, in a case where a plurality of printing liquids of the notification target determined by the determination unit are present, notifies of information relating to the residual amount of a predetermined printing liquid is included. This notification unit performs a notification with priority for a predetermined printing liquid satisfying a predetermined condition among the plurality of printing liquids of the notification target.
    Type: Grant
    Filed: April 12, 2017
    Date of Patent: March 5, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tomoki Yamamuro, Atsushi Arai, Tatsuaki Orihara, Ryo Shimamura, Akira Shiba, Kazuya Yoshii, Norihiro Ikebe, Takeho Miyashita, Masatoshi Ohira, Hirofumi Okuhara, Kazumasa Matsushita, Misato Furuya
  • Publication number: 20190023019
    Abstract: There are provided a liquid container including a plug member which prevents leakage of a liquid from the liquid container and can be opened without scattering the liquid and a liquid ejection apparatus including the liquid container. For that purpose, a projecting portion in the plug member is provided below a center part of the plug member in a gravity direction in an attitude at the time of use of the liquid ejection apparatus.
    Type: Application
    Filed: September 24, 2018
    Publication date: January 24, 2019
    Inventors: Norihiro Ikebe, Ryo Shimamura, Akira Shiba, Kazuya Yoshii, Takeho Miyashita, Tomoki Yamamuro, Atsushi Arai, Masatoshi Ohira, Tatsuaki Orihara, Hirofumi Okuhara, Kazumasa Matsushita, Misato Furuya
  • Publication number: 20180370243
    Abstract: To provide a liquid storage container equipped with a plug member that can prevent leakage of a liquid from the liquid storage container and can be opened without causing scatter of the liquid, and a liquid ejection apparatus equipped with the liquid storage container. For the purpose, at least one of a connection part of the convex part with the cover part and an apical part of the convex part most apart from the connection part is provided offset from the centroid of the cover part, seen from a direction orthogonal to an opening surface of a supply port in a state that the plug member is mounted on a supply port of the liquid storage container.
    Type: Application
    Filed: August 30, 2018
    Publication date: December 27, 2018
    Inventors: Ryo Shimamura, Akira Shiba, Kazuya Yoshii, Norihiro Ikebe, Takeho Miyashita, Tomoki Yamamuro, Atsushi Arai, Masatoshi Ohira, Tatsuaki Orihara, Hirofumi Okuhara, Kazumasa Matsushita, Misato Furuya
  • Patent number: 10112403
    Abstract: There are provided a liquid container including a plug member which prevents leakage of a liquid from the liquid container and can be opened without scattering the liquid and a liquid ejection apparatus including the liquid container. For that purpose, a projecting portion in the plug member is provided below a center part of the plug member in a gravity direction in an attitude at the time of use of the liquid ejection apparatus.
    Type: Grant
    Filed: April 17, 2017
    Date of Patent: October 30, 2018
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Norihiro Ikebe, Ryo Shimamura, Akira Shiba, Kazuya Yoshii, Takeho Miyashita, Tomoki Yamamuro, Atsushi Arai, Masatoshi Ohira, Tatsuaki Orihara, Hirofumi Okuhara, Kazumasa Matsushita, Misato Furuya
  • Patent number: 10093105
    Abstract: To provide a liquid storage container equipped with a plug member that can prevent leakage of a liquid from the liquid storage container and can be opened without causing scatter of the liquid, and a liquid ejection apparatus equipped with the liquid storage container. For the purpose, at least one of a connection part of the convex part with the cover part and an apical part of the convex part most apart from the connection part is provided offset from the centroid of the cover part, seen from a direction orthogonal to an opening surface of a supply port in a state that the plug member is mounted on a supply port of the liquid storage container.
    Type: Grant
    Filed: April 17, 2017
    Date of Patent: October 9, 2018
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Ryo Shimamura, Akira Shiba, Kazuya Yoshii, Norihiro Ikebe, Takeho Miyashita, Tomoki Yamamuro, Atsushi Arai, Masatoshi Ohira, Tatsuaki Orihara, Hirofumi Okuhara, Kazumasa Matsushita, Misato Furuya
  • Patent number: 9914305
    Abstract: A liquid storage container unit according to the present invention includes: a liquid storage container provided with an opening; a plug which is attachable to and detachable from the opening and provided with a front edge to be inserted in the opening; and a support member which connects the plug and a member other than the plug and supports the plug, wherein the support member is molded into a shape with a curved portion and the front edge of the plug comes closer to the inner side surface of the curved portion of the support member in a state in which the plug is removed from the opening than in a state in which the plug is attached to the opening.
    Type: Grant
    Filed: April 5, 2017
    Date of Patent: March 13, 2018
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Tatsuaki Orihara, Ryo Shimamura, Akira Shiba, Kazuya Yoshii, Norihiro Ikebe, Takeho Miyashita, Tomoki Yamamuro, Atsushi Arai, Masatoshi Ohira, Hirofumi Okuhara, Kazumasa Matsushita, Misato Furuya
  • Publication number: 20180065367
    Abstract: An element substrate in which a plurality of members are layered. Plates and a substrate serving as the plurality of members being layered and adhered to each other. The element substrate including a plurality of ejection ports that eject a liquid, and a plurality of supply ports that each communicate with a different ejection port. At least one of the members includes a groove that is, when viewing, from above, a surface in which the ejection ports are formed, formed between two ejection ports, each of which communicates to a different supply port.
    Type: Application
    Filed: August 31, 2017
    Publication date: March 8, 2018
    Inventors: Junichiro Iri, Kazuhiro Ishii, Ryo Sato, Hiroyuki Shimoyama, Kazumasa Matsushita, Kenji Kitabatake
  • Publication number: 20180065366
    Abstract: A liquid ejection head includes a plurality of ejection ports, a plurality of pressure chambers each communicating with each of the ejection ports, a piezoelectric actuator constituting part of walls of the pressure chambers, and a common liquid chamber containing liquid to be supplied to the pressure chambers. The pressure chambers and the common liquid chamber are opposed with an opposing wall interposed therebetween. The opposing wall faces the wall of the pressure chambers constituted by the piezoelectric actuator A reinforcing portion that supports the opposing wall is provided in the common liquid chamber.
    Type: Application
    Filed: August 31, 2017
    Publication date: March 8, 2018
    Inventors: Kazuhiro Ishii, Junichiro Iri, Ryo Sato, Hiroyuki Shimoyama, Kazumasa Matsushita, Kenji Kitabatake