Patents by Inventor Toshiyuki Ohya

Toshiyuki Ohya 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).

  • Transparent conductive film and touch panel
    Patent number: 6629833
    Abstract: A transparent conductive film (1) having a transparent plastic film (11) and a transparent conductive thin film (12) formed on at least one side thereof, characterized in that a resin layer (P) containing an ionic group in the range of 20 to 1000 eq/ton is provided between the transparent plastic film and the transparent conductive thin film and the ionic group containing resin has a cross-linked structure. The transparent conductive film has excellent adhesion to other conductive thin films and therefore exhibits excellent durability to input with a pen when used in touch panels.
    Type: Grant
    Filed: November 13, 2000
    Date of Patent: October 7, 2003
    Assignee: Toyo Boseki Kabushiki Kaisha
    Inventors: Toshiyuki Ohya, Tetsuo Shimomura, Yozo Yamada