Patents by Inventor Taketsugu MURAKAMI

Taketsugu MURAKAMI 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: 11827025
    Abstract: A liquid storage container is configured to supply a liquid containing a precipitating component to a liquid ejecting apparatus, including: a partitioning member configured to divide a liquid storage chamber in a direction intersecting a direction of gravitational force; a plurality of liquid storage chambers divided by the partitioning member; and communication flow channel units provided to the plurality of liquid storage chambers, respectively, and configured to introduce the liquid in the liquid storage chambers and to supply the liquid to the liquid ejecting apparatus.
    Type: Grant
    Filed: March 31, 2022
    Date of Patent: November 28, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masatomo Ojima, Taketsugu Murakami, Junichiro Iri
  • Patent number: 11623451
    Abstract: Provided is a liquid storage container that allows for a simplified structure and a reduction in the size and the cost of a printing apparatus. To this end, the liquid storage container includes: two liquid chambers partitioned from each other; a flow path through which liquid can move between the liquid chambers; a valve configured to open and close the flow path; a refilling port that is configured to be opened and closed and through which a liquid chamber can be refilled with the liquid; and a pressure adjustment mechanism that is provided in a liquid chamber configured not to be refilled with the liquid through the refilling port and that adjusts a pressure in the printing head.
    Type: Grant
    Filed: May 18, 2021
    Date of Patent: April 11, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventors: Taketsugu Murakami, Junichiro Iri, Hiroyuki Murayama, Satoru Takahashi, Yusuke Hashimoto, Hiroaki Kusano
  • Publication number: 20220363066
    Abstract: A liquid storage container is configured to supply a liquid containing a precipitating component to a liquid ejecting apparatus, including: a partitioning member configured to divide a liquid storage chamber in a direction intersecting a direction of gravitational force; a plurality of liquid storage chambers divided by the partitioning member; and communication flow channel units provided to the plurality of liquid storage chambers, respectively, and configured to introduce the liquid in the liquid storage chambers and to supply the liquid to the liquid ejecting apparatus.
    Type: Application
    Filed: March 31, 2022
    Publication date: November 17, 2022
    Inventors: Masatomo Ojima, Taketsugu Murakami, Junichiro Iri
  • Publication number: 20210370682
    Abstract: Provided is a liquid storage container that allows for a simplified structure and a reduction in the size and the cost of a printing apparatus. To this end, the liquid storage container includes: two liquid chambers partitioned from each other; a flow path through which liquid can move between the liquid chambers; a valve configured to open and close the flow path; a refilling port that is configured to be opened and closed and through which a liquid chamber can be refilled with the liquid; and a pressure adjustment mechanism that is provided in a liquid chamber configured not to be refilled with the liquid through the refilling port and that adjusts a pressure in the printing head.
    Type: Application
    Filed: May 18, 2021
    Publication date: December 2, 2021
    Inventors: Taketsugu MURAKAMI, Junichiro IRI, Hiroyuki MURAYAMA, Satoru TAKAHASHI, Yusuke HASHIMOTO, Hiroaki KUSANO