Patents by Inventor Toru SHINZO

Toru SHINZO 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).

  • Virtual image display device
    Patent number: 11402645
    Abstract: A virtual image display device includes: a display unit that generates an image display light; and a projection optical system that projects the image display light L toward the virtual image presentation plate. The projection optical system includes a projection mirror that projects the image display light toward the virtual image presentation plate and an optical device of transmission type provided such that a light axis intersects at an angle to a light path of the projection optical system. The display unit is provided at a focal point of a composite optical system within a meridional plane, the composite optical system being formed by the virtual image presentation plate and the projection optical system.
    Type: Grant
    Filed: October 18, 2019
    Date of Patent: August 2, 2022
    Assignee: JVCKENWOOD CORPORATION
    Inventors: Daisuke Kojima, Toru Shinzo
  • VIRTUAL IMAGE DISPLAY DEVICE
    Publication number: 20200050005
    Abstract: A virtual image display device includes: a display unit that generates an image display light; and a projection optical system that projects the image display light L toward the virtual image presentation plate. The projection optical system includes a projection mirror that projects the image display light toward the virtual image presentation plate and an optical device of transmission type provided such that a light axis intersects at an angle to a light path of the projection optical system. The display unit is provided at a focal point of a composite optical system within a meridional plane, the composite optical system being formed by the virtual image presentation plate and the projection optical system.
    Type: Application
    Filed: October 18, 2019
    Publication date: February 13, 2020
    Inventors: Daisuke KOJIMA, Toru SHINZO