Patents by Inventor Yoshimata Fujita

Yoshimata Fujita 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).

  • Publication number: 20120119199
    Abstract: The present invention provides an organic EL display device that has high out-coupling efficiency of light. The organic EL display device includes a semi-transparent cathode having high light reflectivity, high light transparency, low light absorptivity, and good electron injection properties.
    Type: Application
    Filed: March 2, 2010
    Publication date: May 17, 2012
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Ken Okamoto, Yoshimata Fujita