Patents by Inventor Ryosuke NISHIKAWA

Ryosuke NISHIKAWA 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: 20240100840
    Abstract: An inkjet printer includes: an inkjet head configured to eject ink to a print medium being conveyed; a mist collector including at least a suction port configured to suck air from a side of the inkjet head on which the print medium passes; and a controller configured to control the mist collector. A space on the side of the inkjet head on which the print medium passes is an open space in which nothing but the print medium passing is arranged within a prescribed distance from the inkjet head. The controller is configured to control the mist collector to perform a mist collection operation of sucking air containing ink mist via the suction port in a state where the print medium and the inkjet head are facing each other.
    Type: Application
    Filed: August 30, 2023
    Publication date: March 28, 2024
    Applicant: RISO KAGAKU CORPORATION
    Inventors: Ryosuke NISHIKAWA, Takeshi HIGUCHI
  • Publication number: 20240092086
    Abstract: A liquid supply apparatus includes: a liquid container; branch paths branching from a path connected to the liquid container, the branch paths being connected to tanks arranged at height positions different from one another and lower than the liquid container; supply valves arranged in the branch paths respectively; and a controller configured to control the supply valves to supply a liquid from the liquid container to each of the tanks. The controller is configured to control the supply valves to temporally separately perform supply of the liquid to tanks of the tanks having a height difference equal to or more than a prescribed value therebetween.
    Type: Application
    Filed: July 6, 2023
    Publication date: March 21, 2024
    Applicant: RISO KAGAKU CORPORATION
    Inventor: Ryosuke NISHIKAWA