Patents by Inventor Shyamal VARMA

Shyamal VARMA 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).

  • Execution of subset of driver code in separate protection domain
    Patent number: 10445257
    Abstract: Described herein is a system for driver execution. A driver is loaded in a first domain with the driver controlling an associated device. In response to a request from the driver, the driver companion is loaded in a second domain different than the first domain, the second domain comprising a secure environment. The driver companion communicates with the associated device. Communications between the driver and the driver companion are managed (e.g., by an operating system framework). In response to a request from the driver, the driver companion is unloaded.
    Type: Grant
    Filed: January 9, 2018
    Date of Patent: October 15, 2019
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Shyamal Varma, Kumar Rajeev, Peter William Wieland
  • Execution of Subset of Driver Code in Separate Protection Domain
    Publication number: 20180314651
    Abstract: Described herein is a system for driver execution. A driver is loaded in a first domain with the driver controlling an associated device. In response to a request from the driver, the driver companion is loaded in a second domain different than the first domain, the second domain comprising a secure environment. The driver companion communicates with the associated device. Communications between the driver and the driver companion are managed (e.g., by an operating system framework). In response to a request from the driver, the driver companion is unloaded.
    Type: Application
    Filed: January 9, 2018
    Publication date: November 1, 2018
    Applicant: Microsoft Technology Licensing, LLC
    Inventors: Shyamal VARMA, Kumar RAJEEV, Peter William WIELAND