Patents by Inventor Atushi Oda

Atushi Oda 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).

  • Organic electroluminescence device
    Patent number: 6582837
    Abstract: An organic electroluminescence device having one or more organic thin layers including a luminescent layer between an anode and a cathode, wherein at least one of the organic thin layers contains a compound or compounds selected from the group consisting of particular bianthryl, binaphthyl, trianthrylene and naphthylanthracene compounds, alone or in combination, the general formula of bianthryl compound being shown as follows:
    Type: Grant
    Filed: July 9, 1998
    Date of Patent: June 24, 2003
    Assignee: NEC Corporation
    Inventors: Satoru Toguchi, Atushi Oda, Hitoshi Ishikawa
  • Organic electroluminescent device and its manufacturing process
    Patent number: 6396208
    Abstract: An organic electroluminescent device in which the electrode in the light-emitting side has small protrusions to allow the counter electrode to have a concave shape so as to utilize reflection by the concave and inclined mirror faces of the counter electrode to improve light-collection efficiency.
    Type: Grant
    Filed: January 27, 1999
    Date of Patent: May 28, 2002
    Assignee: NEC Corporation
    Inventors: Atushi Oda, Hitoshi Ishikawa, Satoru Toguchi