Patents by Inventor Mathew Duggan

Mathew Duggan 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).

  • Modifying digital documents
    Publication number: 20060061777
    Abstract: A method (200) of modifying a digital document (300). The method (200) converts the digital document (300) into one or more first color digital images and generates a hard copy of the digital document (300). The method (200) generates one or more second color digital images of a modified version of the hard copy of the digital document (300). The method (200) compares the first one or more color digital images with the second one or more color digital images to determine the modifications made to the hard copy of the digital document (300) and modifies the digital document (300) based on the determined modifications.
    Type: Application
    Filed: September 13, 2005
    Publication date: March 23, 2006
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Mathew Duggan, Reuben Kan