Patents by Inventor Yoshiyuki Imasaka

Yoshiyuki Imasaka 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 suited to narrow frame
    Patent number: 6172732
    Abstract: In order to provide a liquid crystal display device of high display quality by improving the evenness of a liquid crystal cell gap in a marginal frame portion of a liquid crystal element suited to a narrow frame, the liquid crystal display device is provided with a pair of liquid crystal display element substrates having a liquid crystal sandwiched therebetween, and a plurality of liquid crystal driving elements connected to conductors formed on each of the liquid crystal display element substrates, for driving the liquid crystal. Each of the liquid crystal display element substrates includes a plurality of display electrodes wired in parallel, a plurality of parallel terminal electrodes, mutually parallel oblique straight wiring electrodes, and a plurality of dummy electrodes generally parallel to the terminal electrodes.
    Type: Grant
    Filed: December 4, 1997
    Date of Patent: January 9, 2001
    Assignee: Hitachi, Ltd.
    Inventors: Kouji Hayakawa, Masayoshi Fujieda, Noboru Hoshino, Yoshiyuki Imasaka