Patents by Inventor Mitsuhara Muta

Mitsuhara Muta 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).

  • Planar luminescent device having auxiliary electrode and diffusion mechanism
    Patent number: 7193362
    Abstract: A luminescent device for reducing unevenness of brightness. The luminescent device includes a transparent substrate, which has a light exit surface and an incident surface, and a luminescent element, which is formed on the incident surface of the transparent substrate. The luminescent element includes a transparent electrode formed on the incident surface of the transparent substrate, an auxiliary electrode formed on a part of the transparent electrode, and a thin-film layer, which is formed on the transparent electrode, for emitting light. The transparent substrate includes a projection formed on the light exit surface.
    Type: Grant
    Filed: June 3, 2004
    Date of Patent: March 20, 2007
    Assignee: Kabushiki Kaisha Toyota Jidoshokki
    Inventors: Yoshifumi Kato, Masato Hieda, Mitsuhara Muta