Patents by Inventor Junji Miyahara

Junji Miyahara 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).

  • Rear projection screens
    Patent number: 4053208
    Abstract: A rear projection screen produced by providing surface irregularity directly on at least one side of a light diffusion layer containing at least one light scattering material selected from the group consisting of one or more waxes, one or more crystalline polymers or a mixture thereof.
    Type: Grant
    Filed: February 3, 1976
    Date of Patent: October 11, 1977
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Hisatoyo Kato, Junji Miyahara