Patents by Inventor Yukio Tamaka

Yukio Tamaka 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).

  • Display unit and drive method therefor
    Publication number: 20030063074
    Abstract: The present invention provides a display apparatus that can reduce a voltage irregularity and a brightness irregularity accompanied by making an enlarged and a high resolution type display apparatus.
    Type: Application
    Filed: December 21, 2001
    Publication date: April 3, 2003
    Inventors: Katsuhiko Kumagawa, Masanori Kimura, Tetsuo Fukami, Akio Takimoto, Yukio Tamaka, Kazunori Komori