Patents by Inventor Eiko Munakata

Eiko Munakata 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).

  • Liquid crystal display device
    Patent number: 4519678
    Abstract: A reflective type liquid crystal display device and a method of manufacturing the same. The liquid crystal display device comprises a transparent first substrate, a second substrate, a reflective metal film and liquid crystal filled in a gap between the first substrate and the reflective metal film. The reflective metal film is formed on a polymer resin layer which is coated on the second substrate. The polymer resin layer has in one surface small protrusions or depressions having a gently curved profile. The reflective metal film formed on the surface of the polymer resin layer and has small protrusions or depressions having a gently curved profile. The liquid crystal display device can thus display a bright picture with high contrast.
    Type: Grant
    Filed: December 30, 1982
    Date of Patent: May 28, 1985
    Assignee: Tokyo Shibaura Denki Kabushiki Kaisha
    Inventors: Yoshiaki Komatsubara, Kyozoh Ide, Eiko Munakata