Patents by Inventor Takeho Miyashita

Takeho Miyashita 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: 10029474
    Abstract: A liquid storage unit including a first liquid storage chamber having a constant volume and being capable of holding liquid supplied from a liquid tank; a second liquid storage chamber communicating with the first liquid storage chamber; a pressure control chamber configured to change a pressure of the pressure control chamber through actuation of a pressure control unit; and an elastic member being configured to tightly partition the second liquid storage chamber and the pressure control chamber from each other and being deformable so as to increase and decrease a volume of the second liquid storage chamber in accordance with the pressure of the pressure control chamber. The elastic member is capable of removing bubbles in the first liquid storage chamber by increasing and decreasing the volume of the second liquid storage chamber through the deformation.
    Type: Grant
    Filed: May 18, 2015
    Date of Patent: July 24, 2018
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Hitoshi Takada, Yasuo Kotaki, Tetsuya Ohashi, Ryoji Inoue, Takatoshi Kitagawa, Hironori Murakami, Takeho Miyashita, Hiroki Hayashi, Hironori Fukuchi, Norihiro Ikebe, Takashi Fukushima
  • Patent number: 9994031
    Abstract: A liquid container mounted on a recording apparatus and containing a liquid in a liquid containing portion, including a first surface which faces the recording apparatus when the liquid container is mounted on the recording apparatus, and a second surface opposite to the first surface, wherein the liquid containing portion has, on a bottom surface which is a lower surface in a gravity direction when the liquid container is mounted on the recording apparatus, a first inclined surface inclining downward in the gravity direction from the first surface side to the second surface side and a second inclined surface inclining upward in the gravity direction from the first surface side to the second surface side in this order from the first surface side.
    Type: Grant
    Filed: December 1, 2017
    Date of Patent: June 12, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takeho Miyashita, Yasuo Kotaki, Tetsuya Ohashi, Hiroki Hayashi, Manabu Ohara
  • Publication number: 20180154646
    Abstract: A liquid container is enabled to contain a liquid therein. An outer wall of the liquid container has a first surface, a second and a third surfaces are adjacent to the first surface, and the second surface and the third surface face each other. The first surface has a space in which a storage element storing the information on the liquid container is contained. The first surface and the second surface have a first recessed portion that crosses a boundary between the first surface and the second surface, and the first surface and the third surface have a second recessed portion that crosses a boundary between the first surface and the third surface. The first recessed portion and the second recessed portion face each other across the space.
    Type: Application
    Filed: February 2, 2018
    Publication date: June 7, 2018
    Inventors: Takeho Miyashita, Yasuo Kotaki, Tetsuya Ohashi, Hiroki Hayashi, Manabu Ohara
  • Publication number: 20180086088
    Abstract: A liquid container mounted on a recording apparatus and containing a liquid in a liquid containing portion, including a first surface which faces the recording apparatus when the liquid container is mounted on the recording apparatus, and a second surface opposite to the first surface, wherein the liquid containing portion has, on a bottom surface which is a lower surface in a gravity direction when the liquid container is mounted on the recording apparatus, a first inclined surface inclining downward in the gravity direction from the first surface side to the second surface side and a second inclined surface inclining upward in the gravity direction from the first surface side to the second surface side in this order from the first surface side.
    Type: Application
    Filed: December 1, 2017
    Publication date: March 29, 2018
    Inventors: Takeho Miyashita, Yasuo Kotaki, Tetsuya Ohashi, Hiroki Hayashi, Manabu Ohara
  • Patent number: 9919536
    Abstract: A liquid container is enabled to contain a liquid therein. An outer wall of the liquid container has a first surface, a second and a third surfaces are adjacent to the first surface, and the second surface and the third surface face each other. The first surface has a space in which a storage element storing the information on the liquid container is contained. The first surface and the second surface have a first recessed portion that crosses a boundary between the first surface and the second surface, and the first surface and the third surface have a second recessed portion that crosses a boundary between the first surface and the third surface. The first recessed portion and the second recessed portion face each other across the space.
    Type: Grant
    Filed: September 21, 2016
    Date of Patent: March 20, 2018
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Takeho Miyashita, Yasuo Kotaki, Tetsuya Ohashi, Hiroki Hayashi, Manabu Ohara
  • 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
  • Patent number: 9862196
    Abstract: A liquid container mounted on a recording apparatus and containing a liquid in a liquid containing portion, including a first surface which faces the recording apparatus when the liquid container is mounted on the recording apparatus, and a second surface opposite to the first surface, wherein the liquid containing portion has, on a bottom surface which is a lower surface in a gravity direction when the liquid container is mounted on the recording apparatus, a first inclined surface inclining downward in the gravity direction from the first surface side to the second surface side and a second inclined surface inclining upward in the gravity direction from the first surface side to the second surface side in this order from the first surface side.
    Type: Grant
    Filed: May 9, 2016
    Date of Patent: January 9, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takeho Miyashita, Yasuo Kotaki, Tetsuya Ohashi, Hiroki Hayashi, Manabu Ohara
  • Publication number: 20180001650
    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: June 16, 2017
    Publication date: January 4, 2018
    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: 20170361619
    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: May 23, 2017
    Publication date: December 21, 2017
    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
  • Publication number: 20170326882
    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: Application
    Filed: May 9, 2017
    Publication date: November 16, 2017
    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
  • Publication number: 20170320343
    Abstract: A notification device capable of suppressing the occurrence of user's mistake in supplement of 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, in a case where a plurality of printing liquids of the notification target determined by the determination unit are present, notifies 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: Application
    Filed: April 12, 2017
    Publication date: November 9, 2017
    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: 20170305165
    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: April 17, 2017
    Publication date: October 26, 2017
    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: 20170305164
    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: Application
    Filed: April 5, 2017
    Publication date: October 26, 2017
    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: 20170305166
    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: April 17, 2017
    Publication date: October 26, 2017
    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
  • Publication number: 20170087863
    Abstract: A liquid container is enabled to contain a liquid therein. An outer wall of the liquid container has a first surface, a second and a third surfaces are adjacent to the first surface, and the second surface and the third surface face each other. The first surface has a space in which a storage element storing the information on the liquid container is contained. The first surface and the second surface have a first recessed portion that crosses a boundary between the first surface and the second surface, and the first surface and the third surface have a second recessed portion that crosses a boundary between the first surface and the third surface. The first recessed portion and the second recessed portion face each other across the space.
    Type: Application
    Filed: September 21, 2016
    Publication date: March 30, 2017
    Inventors: Takeho Miyashita, Yasuo Kotaki, Tetsuya Ohashi, Hiroki Hayashi, Manabu Ohara
  • Publication number: 20160332451
    Abstract: A liquid container mounted on a recording apparatus and containing a liquid in a liquid containing portion, including a first surface which faces the recording apparatus when the liquid container is mounted on the recording apparatus, and a second surface opposite to the first surface, wherein the liquid containing portion has, on a bottom surface which is a lower surface in a gravity direction when the liquid container is mounted on the recording apparatus, a first inclined surface inclining downward in the gravity direction from the first surface side to the second surface side and a second inclined surface inclining upward in the gravity direction from the first surface side to the second surface side in this order from the first surface side.
    Type: Application
    Filed: May 9, 2016
    Publication date: November 17, 2016
    Inventors: Takeho Miyashita, Yasuo Kotaki, Tetsuya Ohashi, Hiroki Hayashi, Manabu Ohara
  • Publication number: 20150343793
    Abstract: A liquid storage unit including a first liquid storage chamber having a constant volume and being capable of holding liquid supplied from a liquid tank; a second liquid storage chamber communicating with the first liquid storage chamber; a pressure control chamber configured to change a pressure of the pressure control chamber through actuation of a pressure control unit; and an elastic member being configured to tightly partition the second liquid storage chamber and the pressure control chamber from each other and being deformable so as to increase and decrease a volume of the second liquid storage chamber in accordance with the pressure of the pressure control chamber. The elastic member is capable of removing bubbles in the first liquid storage chamber by increasing and decreasing the volume of the second liquid storage chamber through the deformation.
    Type: Application
    Filed: May 18, 2015
    Publication date: December 3, 2015
    Inventors: Hitoshi Takada, Yasuo Kotaki, Tetsuya Ohashi, Ryoji Inoue, Takatoshi Kitagawa, Hironori Murakami, Takeho Miyashita, Hiroki Hayashi, Hironori Fukuchi, Norihiro Ikebe, Takashi Fukushima
  • Patent number: D785087
    Type: Grant
    Filed: August 14, 2015
    Date of Patent: April 25, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiroki Hayashi, Tetsuya Ohashi, Takeho Miyashita, Manabu Ohara, Yasunori Senshiki
  • Patent number: D791868
    Type: Grant
    Filed: April 5, 2016
    Date of Patent: July 11, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiroki Hayashi, Takeho Miyashita, Tetsuya Ohashi, Takashi Kusanagi
  • Patent number: D792509
    Type: Grant
    Filed: April 5, 2016
    Date of Patent: July 18, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiroki Hayashi, Takeho Miyashita, Tetsuya Ohashi