Patents by Inventor Yuri K. Nizienko

Yuri K. Nizienko 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 for creating and visualizing an optically invisible mark
    Patent number: 6905725
    Abstract: This invention relates to methods of writing and reading information hidden from visual observation and may be used for visualizing hidden images (marks) identifying an object, which provide protection from unauthorized reproduction (forgery). The method of creation and visualization of an optically invisible mark consists in the following. On the surface of the object in question an optically invisible marking image is formed by means of modification of, at least one part of said surface, after which visualization of said image is established. Prior to formation of the optically invisible marking image the surface of the object in question (carrying the applied image) is made into a mirror. Modification is achieved by changing the surface energy of the parts being modified.
    Type: Grant
    Filed: April 26, 2001
    Date of Patent: June 14, 2005
    Assignee: Valinmark Inc.
    Inventors: Alexander M. Dykhne, Yuri K. Nizienko
  • Method for producing and visualising an optically invisible mark
    Publication number: 20040126703
    Abstract: This invention relates to methods of writing and reading information hidden from visual observation and may be used for visualizing hidden images (marks) identifying an object, which provide protection from unauthorized reproduction (forgery). The method of creation and visualization of an optically invisible mark consists in the following. On the surface of the object in question an optically invisible marking image is formed by means of modification of, at least one part of said surface, after which visualization of said image is established. Prior to formation of the optically invisible marking image the surface of the object in question (carrying the applied image) is made into a mirror. Modification is achieved by changing the surface energy of the parts being modified.
    Type: Application
    Filed: October 27, 2003
    Publication date: July 1, 2004
    Inventors: Alexander M. Dykhne, Yuri K. Nizienko