Patents by Inventor Hirofumi Kunitou

Hirofumi Kunitou 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).

  • Multi-layer external terminals of liquid crystal displays with thin-film transistors
    Patent number: 5187604
    Abstract: An active matrix liquid crystal device is provided with improved external terminal structures including an ITO (indiumtin-oxide) pad covering an interconnection wiring, and a layout of a passivation film for protecting an aluminium wiring from outer moisture.
    Type: Grant
    Filed: January 29, 1990
    Date of Patent: February 16, 1993
    Assignee: Hitachi, Ltd.
    Inventors: Hideaki Taniguchi, Hirofumi Kunitou, Ryouji Oritsuki, Akira Sasano