Patents by Inventor Toshihumi Tominaga

Toshihumi Tominaga 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).

  • Solid-state image converting device with dot-like layer
    Patent number: 5229626
    Abstract: A solid-state image converting device comprises a transparent substrate, a transparent electrode formed on the transparent substrate, an EL layer, formed on the transparent electrode, emitting light by the application of an electric field, a dot-like low resistance layer formed on the EL layer, a photoconductive layer formed on the dot-like low resistance layer, and a back electrode formed on the photoconductive layer. A radiation image entered the transparent substrate or the back electrode is converted into a visible light image having high brightness on the back electrode or the transparent substrate.
    Type: Grant
    Filed: March 27, 1992
    Date of Patent: July 20, 1993
    Assignee: Nichia Kagaku Kogyo K.K.
    Inventors: Masuyuki Ebitani, Toshihumi Tominaga