Patents by Inventor Shunsuke OKAI

Shunsuke OKAI 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: 11766871
    Abstract: A printing device includes an inkjet head, a filter accommodating portion, a filter configured to be accommodated in the filter accommodating portion and extending in a given direction from one end to the other end of the filter to collect mist, and a grip portion provided at least one of the one end or the other end of the filter. The grip portion includes a handle protruding from the filter, a recessed portion recessed inside the filter, or a hole.
    Type: Grant
    Filed: September 30, 2021
    Date of Patent: September 26, 2023
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Shunsuke Okai, Akihiro Kawakita
  • Patent number: 11738564
    Abstract: An inkjet printer has a nozzle surface on a head and having nozzle rows each having nozzles, manifolds suppling ink to the nozzles in each nozzle row, supply flow paths connected to the manifold and suppling the ink, circulation flow paths connected to the manifold and circulating the ink from the manifold to which the ink is supplied through the supply flow path, a cap to be in contact with the nozzle surface on an outside of the nozzles respectively in two nozzle rows, and a controller executing circulation processing where circulation of the ink through one supply flow path, one manifold and one circulation flow path is performed, and circulation of the ink through another supply flow path, another manifold and another circulation flow path is not performed, in a state where the ink or a cleaning liquid supplied in the cap is contacted with the nozzle surface.
    Type: Grant
    Filed: March 24, 2022
    Date of Patent: August 29, 2023
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Katsunori Nishida, Naoki Mizuno, Shunsuke Okai, Eiji Tanaka
  • Publication number: 20220212476
    Abstract: An inkjet printer has a nozzle surface on a head and having nozzle rows each having nozzles, manifolds suppling ink to the nozzles in each nozzle row, supply flow paths connected to the manifold and suppling the ink, circulation flow paths connected to the manifold and circulating the ink from the manifold to which the ink is supplied through the supply flow path, a cap to be in contact with the nozzle surface on an outside of the nozzles respectively in two nozzle rows, and a controller executing circulation processing where circulation of the ink through one supply flow path, one manifold and one circulation flow path is performed, and circulation of the ink through another supply flow path, another manifold and another circulation flow path is not performed, in a state where the ink or a cleaning liquid supplied in the cap is contacted with the nozzle surface.
    Type: Application
    Filed: March 24, 2022
    Publication date: July 7, 2022
    Inventors: Katsunori NISHIDA, Naoki MIZUNO, Shunsuke OKAI, Eiji TANAKA
  • Publication number: 20220126585
    Abstract: A printing device includes an inkjet head, an accommodating portion configured to accommodate a filter that collects ink mist, and a guide portion arranged above the accommodating portion and configured to guide waste ink droplets due to the ink mist to the filter accommodated in the accommodating portion. In the printing device, the guide portion has a shape in which the waste ink droplets drop onto the filter.
    Type: Application
    Filed: October 27, 2021
    Publication date: April 28, 2022
    Inventor: Shunsuke OKAI
  • Publication number: 20220097403
    Abstract: A printing device includes an inkjet head, a filter accommodating portion, a filter configured to be accommodated in the filter accommodating portion and extending in a given direction from one end to the other end of the filter to collect mist, and a grip portion provided at least one of the one end or the other end of the filter. The grip portion includes a handle protruding from the filter, a recessed portion recessed inside the filter, or a hole.
    Type: Application
    Filed: September 30, 2021
    Publication date: March 31, 2022
    Inventors: Shunsuke OKAI, Akihiro KAWAKITA