Patents by Inventor Ramakrishna (Rama) Rao Kotla

Ramakrishna (Rama) Rao Kotla 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).

  • OPTICAL SECURITY ENHANCEMENT DEVICE
    Publication number: 20140325678
    Abstract: An optical security device can be used to view sensitive information provided in an obscured format via a potentially untrusted and/or compromised computer. The techniques described herein enable use of untrusted computers for access to sensitive information. The optical security device employs one or more forms of visual cryptography such as spatial cryptography and/or temporal cryptography in some instances via a programmable mask and/or a programmable color filter to reveal sensitive information that is provided in an obscured form by a potentially untrusted computer.
    Type: Application
    Filed: April 30, 2013
    Publication date: October 30, 2014
    Applicant: Microsoft Corporation
    Inventors: Ramakrishna (Rama) Rao Kotla, Andreas Georg Nowatzyk
  • OPTICAL SECURITY ENHANCEMENT DEVICE
    Publication number: 20140325677
    Abstract: An optical security device can be used to view sensitive information provided in an obscured format via a potentially untrusted and/or compromised computer. The techniques described herein enable use of untrusted computers for access to sensitive information. The optical security device employs one or more forms of visual cryptography such as spatial cryptography and/or temporal cryptography in some instances via a programmable mask and/or a programmable color filter to reveal sensitive information that is provided in an obscured form by a potentially untrusted computer.
    Type: Application
    Filed: April 30, 2013
    Publication date: October 30, 2014
    Applicant: Microsoft Corporation
    Inventors: Ramakrishna (Rama) Rao Kotla, Andreas Georg Nowatzyk