Patents by Inventor Yogesh Nagappa

Yogesh Nagappa 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, apparatus and computer readable medium for secure conversion of confidential files
    Patent number: 7886147
    Abstract: A method of secure file conversion is disclosed. The method includes storing a decrypted version of a previously encrypted file, the encryption and decryption occurring using public key infrastructure, in an allotted memory location of a memory for which read-only access to the stored decrypted file is provided. Next, the memory location is monitored for an attempt to access at least one memory location other than the allotted location. Finally, a file format of the stored decrypted file is converted, the conversion being aborted upon detecting attempt to access at least one memory location other than the allotted memory location. A converter is further disclosed.
    Type: Grant
    Filed: September 6, 2006
    Date of Patent: February 8, 2011
    Assignee: Siemens Aktiengesellschaft
    Inventors: Yogesh Nagappa, Romain Moreau-Gobard
  • Method, apparatus and computer readable medium for secure conversion of confidential files
    Publication number: 20080059794
    Abstract: A method of secure file conversion is disclosed. The method includes storing a decrypted version of a previously encrypted file, the encryption and decryption occurring using public key infrastructure, in an allotted memory location of a memory for which read-only access to the stored decrypted file is provided. Next, the memory location is monitored for an attempt to access at least one memory location other than the allotted location. Finally, a file format of the stored decrypted file is converted, the conversion being aborted upon detecting attempt to access at least one memory location other than the allotted memory location. A converter is further disclosed.
    Type: Application
    Filed: September 6, 2006
    Publication date: March 6, 2008
    Inventors: Yogesh Nagappa, Romain Moreau-Gobard