Patents by Inventor Takayuki Tanno

Takayuki Tanno 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).

  • LIQUID STORAGE CONTAINER
    Publication number: 20230302804
    Abstract: A liquid storage container includes: a discharge port member including a discharge port through which liquid stored in a storage portion is discharged; a cover portion configured to be attachable to the discharge port member and to be capable of opening and closing the discharge port; and a sealing portion formed of a contact portion between the cover portion and the discharge port member. The cover portion includes a groove structure between an outer periphery of the cover portion and the sealing portion.
    Type: Application
    Filed: May 30, 2023
    Publication date: September 28, 2023
    Inventors: Noriyasu NAGAI, Ryoji INOUE, Kyosuke NAGAOKA, Takayuki TANNO, Kenta UDAGAWA
  • Liquid storage container
    Patent number: 11701890
    Abstract: A liquid storage container includes: a discharge port member including a discharge port through which liquid stored in a storage portion is discharged; a cover portion configured to be attachable to the discharge port member and to be capable of opening and closing the discharge port; and a sealing portion formed of a contact portion between the cover portion and the discharge port member. The cover portion includes a groove structure between an outer periphery of the cover portion and the sealing portion.
    Type: Grant
    Filed: July 8, 2021
    Date of Patent: July 18, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventors: Noriyasu Nagai, Ryoji Inoue, Kyosuke Nagaoka, Takayuki Tanno, Kenta Udagawa
  • Liquid storage container
    Patent number: 11584132
    Abstract: A liquid storage container includes: a discharge port member including a discharge port through which liquid stored in a storage portion is discharged; a cover portion configured to be attachable to and detachable from the discharge port member and to be capable of opening and closing the discharge port; a liquid stop valve provided inside the discharge port member; and a protrusion provided inside the cover portion and configured to open the liquid stop valve in closing the cover portion. In the liquid storage container, the storage portion is sealable by at least one of a first sealing portion formed of a contact portion between the cover portion and the discharge port member and a second sealing portion formed of the liquid stop valve, and the first sealing portion and the second sealing portion are configured to be simultaneously unsealed.
    Type: Grant
    Filed: July 8, 2021
    Date of Patent: February 21, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventors: Noriyasu Nagai, Ryoji Inoue, Kyosuke Nagaoka, Takayuki Tanno, Kenta Udagawa, Hideaki Matsumura, Taiji Maruyama
  • LIQUID STORAGE CONTAINER
    Publication number: 20220016892
    Abstract: A liquid storage container includes: a discharge port member including a discharge port through which liquid stored in a storage portion is discharged; a cover portion configured to be attachable to the discharge port member and to be capable of opening and closing the discharge port; and a sealing portion formed of a contact portion between the cover portion and the discharge port member. The cover portion includes a groove structure between an outer periphery of the cover portion and the sealing portion.
    Type: Application
    Filed: July 8, 2021
    Publication date: January 20, 2022
    Inventors: Noriyasu NAGAI, Ryoji INOUE, Kyosuke NAGAOKA, Takayuki TANNO, Kenta UDAGAWA
  • LIQUID STORAGE CONTAINER
    Publication number: 20220016893
    Abstract: A liquid storage container includes: a discharge port member including a discharge port through which liquid stored in a storage portion is discharged; a cover portion configured to be attachable to and detachable from the discharge port member and to be capable of opening and closing the discharge port; a liquid stop valve provided inside the discharge port member; and a protrusion provided inside the cover portion and configured to open the liquid stop valve in closing the cover portion. In the liquid storage container, the storage portion is sealable by at least one of a first sealing portion formed of a contact portion between the cover portion and the discharge port member and a second sealing portion formed of the liquid stop valve, and the first sealing portion and the second sealing portion are configured to be simultaneously unsealed.
    Type: Application
    Filed: July 8, 2021
    Publication date: January 20, 2022
    Inventors: Noriyasu NAGAI, Ryoji INOUE, Kyosuke NAGAOKA, Takayuki TANNO, Kenta UDAGAWA, Hideaki MATSUMURA, Taiji MARUYAMA
  • Ink cartridge with a housing sealed by a sealing member that changeably forms an air communication passage
    Patent number: 10906323
    Abstract: An ink cartridge includes a housing that has an air communication port and stores a liquid inside and a sealing member attached to the housing in such a way as to cover the air communication port. The sealing member includes an adherent region attached to the housing and a non-adherent region not attached to the housing. The non-adherent region extends to an end portion of the sealing member and forms a communication passage which establishes communication between the air communication port and air.
    Type: Grant
    Filed: September 17, 2019
    Date of Patent: February 2, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kyosuke Nagaoka, Yasuo Kotaki, Tetsuya Ohashi, Ryoji Inoue, Takeho Miyashita, Hironori Murakami, Takayuki Tanno, Takashi Fukushima
  • INK CARTRIDGE
    Publication number: 20200101750
    Abstract: An ink cartridge includes a housing that has an air communication port and stores a liquid inside and a sealing member attached to the housing in such a way as to cover the air communication port. The sealing member includes an adherent region attached to the housing and a non-adherent region not attached to the housing. The non-adherent region extends to an end portion of the sealing member and forms a communication passage which establishes communication between the air communication port and air.
    Type: Application
    Filed: September 17, 2019
    Publication date: April 2, 2020
    Inventors: Kyosuke Nagaoka, Yasuo Kotaki, Tetsuya Ohashi, Ryoji Inoue, Takeho Miyashita, Hironori Murakami, Takayuki Tanno, Takashi Fukushima