Patents by Inventor Daichi KAGAYA

Daichi KAGAYA 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: 10821733
    Abstract: A liquid collection device includes: a suction tank configured to suck and collect liquid accumulated in a liquid reservoir; a suction passage connecting the liquid reservoir and an inlet opened in a lower portion of the suction tank to each other; a suctioner configured to generate a negative pressure in the suction tank and suck the liquid from the liquid reservoir into the suction tank via the suction passage by using the generated negative pressure; and a controller configured to control the suctioner to terminate suction of the liquid into the suction tank upon continuance of a state where a pressure in the suction tank is equal to or greater than a threshold for a prescribed time or more after start of the suction.
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: November 3, 2020
    Assignee: RISO KAGAKU CORPORATION
    Inventor: Daichi Kagaya
  • Publication number: 20200016897
    Abstract: A liquid collection device includes: a suction tank configured to suck and collect liquid accumulated in a liquid reservoir; a suction passage connecting the liquid reservoir and an inlet opened in a lower portion of the suction tank to each other; a suctioner configured to generate a negative pressure in the suction tank and suck the liquid from the liquid reservoir into the suction tank via the suction passage by using the generated negative pressure; and a controller configured to control the suctioner to terminate suction of the liquid into the suction tank upon continuance of a state where a pressure in the suction tank is equal to or greater than a threshold for a prescribed time or more after start of the suction.
    Type: Application
    Filed: June 28, 2019
    Publication date: January 16, 2020
    Applicant: RISO KAGAKU CORPORATION
    Inventor: Daichi KAGAYA