Patents by Inventor Toshiki Takekuma

Toshiki Takekuma 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).

  • Image displaying device
    Patent number: 5276471
    Abstract: An image displaying device including a light source and liquid crystal panels to be illuminated by the light source in which the main body of the device is installed to a user's head so as to project images of the liquid crystal panels to retina of a user's eyeballs through the light source. There are provided a pair of frames for use in installing the main body of the device to a user's face at both sides of the main body of the device, and a clearance of the pair of frames can be adjusted by an adjusting mechanism.
    Type: Grant
    Filed: May 8, 1991
    Date of Patent: January 4, 1994
    Assignee: Sony Corporation
    Inventors: Toshiyuki Yamauchi, Toshiki Takekuma, Naoki Kamaya, Naoki Okayama