Patents by Inventor Shoki YAMAGUCHI

Shoki YAMAGUCHI 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: 20230364913
    Abstract: An inkjet recording device having a print head cleaning function of preventing a cleaning liquid from spilling around the inkjet recording device and storing the cleaning liquid used for cleaning in a highly airtight container. The inkjet recording device includes a main body including an ink container accommodating an ink used to perform printing on a print target, and a cleaning liquid container that accommodates a cleaning liquid; a print head including a nozzle that is connected to the ink container to discharge the ink which is pressurized and supplied, a charging electrode that charges ink particles, a deflection electrode that deflects the ink particles charged by the charging electrode, and a gutter that recovers the ink particles which are not used for the printing; and a head cleaning unit including a cleaning nozzle that discharges the cleaning liquid, and an insertion port into which the print head is insertable.
    Type: Application
    Filed: July 28, 2023
    Publication date: November 16, 2023
    Inventors: Shoki YAMAGUCHI, Takahiro ARIMA, Sho MIZOGUCHI, Mamoru OKANO, Akira MIYAO
  • Publication number: 20210229446
    Abstract: An object of the present invention is to provide an inkjet recording device having a print head cleaning function of preventing a cleaning liquid from spilling around the inkjet recording device and storing the cleaning liquid used for cleaning in a highly airtight container.
    Type: Application
    Filed: January 24, 2019
    Publication date: July 29, 2021
    Inventors: Shoki YAMAGUCHI, Takahiro ARIMA, Sho MIZOGUCHI, Mamoru OKANO, Akira MIYAO
  • Patent number: 10703108
    Abstract: An inkjet recording apparatus, which can enhance the reliability of the phase search result to detect the optimal timing when the ink particles are electrically charged by the electrification electrode and secure the stable printing quality, is provided.
    Type: Grant
    Filed: January 9, 2019
    Date of Patent: July 7, 2020
    Assignee: Hitachi Industrial Equipment Systems Co., Ltd.
    Inventors: Takahiro Arima, Tsuneaki Takagishi, Manabu Kato, Shoki Yamaguchi, Satoshi Hasegawa, Mamoru Okano
  • Publication number: 20190217627
    Abstract: An inkjet recording apparatus, which can enhance the reliability of the phase search result to detect the optimal timing when the ink particles are electrically charged by the electrification electrode and secure the stable printing quality, is provided.
    Type: Application
    Filed: January 9, 2019
    Publication date: July 18, 2019
    Inventors: Takahiro ARIMA, Tsuneaki TAKAGISHI, Manabu KATO, Shoki YAMAGUCHI, Satoshi HASEGAWA, Mamoru OKANO