Patents by Inventor Nabuaki Honma

Nabuaki Honma 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).

  • Method and apparatus for inspecting the quality of transparent protective overlays
    Patent number: 5940173
    Abstract: A method and apparatus for inspecting the quality of transparent protective overlays. The inspection method and apparatus enables accurate inspection of formed transparent protective overlays and enables implementation of more quantitative control of transparent protective overlay quality. Such method and apparatus automatically and accurately inspects the quality of transparent protective overlays placed on substrate surfaces to determine whether the transparent protective overlay formed to protect information such as images, text, or symbols recorded on the surface of a card-type or other easily portable information-recorded medium is of acceptable quality.
    Type: Grant
    Filed: September 19, 1997
    Date of Patent: August 17, 1999
    Assignee: Toppan Printing Company Limited
    Inventors: Syuzo Tomii, Kunio Omura, Michio Shinozaki, Nabuaki Honma, Ken-Ichi Yokoyama