Patents by Inventor Itsuki Oishi

Itsuki Oishi 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).

  • Medium conveying apparatus including light guide which is bent
    Patent number: 11623831
    Abstract: A medium conveying apparatus includes a moving mechanism to move the set guide, a guide pair including a first guide having a first opening and a second opening, and a second guide to regulate a vertical direction of the medium conveyance path, a light emitting element and a light receiving element located on an outside of the medium conveyance path with the first guide in between, and on the downstream side of the first opening and the second opening so as to be apart from the moving mechanism by a predetermined distance or more in the medium conveying direction, a first light guide which is bent so as to guide a light emitted from the light emitting element to the first opening, and a second light guide which is bent so as to guide the light incident from the second opening to the light receiving element.
    Type: Grant
    Filed: October 7, 2021
    Date of Patent: April 11, 2023
    Assignee: PFU LIMITED
    Inventors: Itsuki Oishi, Hirotoshi Kakuda
  • MEDIUM CONVEYING APPARATUS INCLUDING LIGHT GUIDE WHICH IS BENT
    Publication number: 20220169465
    Abstract: A medium conveying apparatus includes a moving mechanism to move the set guide, a guide pair including a first guide having a first opening and a second opening, and a second guide to regulate a vertical direction of the medium conveyance path, a light emitting element and a light receiving element located on an outside of the medium conveyance path with the first guide in between, and on the downstream side of the first opening and the second opening so as to be apart from the moving mechanism by a predetermined distance or more in the medium conveying direction, a first light guide which is bent so as to guide a light emitted from the light emitting element to the first opening, and a second light guide which is bent so as to guide the light incident from the second opening to the light receiving element.
    Type: Application
    Filed: October 7, 2021
    Publication date: June 2, 2022
    Inventors: Itsuki Oishi, Hirotoshi Kakuda