Patents by Inventor Alexander Sergeevich Makushev

Alexander Sergeevich Makushev 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).

  • RETENTION OF CONTENT IN CONVERTED DOCUMENTS
    Publication number: 20150278162
    Abstract: For lossless conversion of a PDF document to searchable PDF document, the PDF document is received. The PDF document has a potential first text layer. An evaluation of quality of the first text layer is performed. The first text layer is determined to be nonexistent or unacceptable. A text recognition of the document is performed to generate a second text layer. The second text layer is made to be used for searching or copying.
    Type: Application
    Filed: December 15, 2014
    Publication date: October 1, 2015
    Inventors: Ivan Yurievich Korneev, Sergey Georgievich Popov, Alexander Sergeevich Makushev, Natalia Kolodkina