Patents by Inventor Raghavendran Ramakrishnan

Raghavendran Ramakrishnan 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).

  • Patent number: 11954224
    Abstract: Embodiments of the present disclosure describe systems, methods, and computer program products for redacting sensitive data within a database. An example method can include receiving a masking policy for a column of a database, the masking policy identifying a category of sensitive data, examining a column of a database to identify a category of sensitive data in a first location of the column, and, in response to a data query accessing the column, the first location of the column exceeding a threshold probability of comprising sensitive data, executing a redaction operation to redact the category of sensitive data from the first location of the column to generate redacted data for a response to the data query.
    Type: Grant
    Filed: August 29, 2023
    Date of Patent: April 9, 2024
    Assignee: SNOWFLAKE INC.
    Inventors: Yimeng Li, Carl Yates Perry, Raghavendran Ramakrishnan, Frantisek Rolinek, Yunqiao Zhang
  • Patent number: 11783078
    Abstract: Embodiments of the present disclosure describe systems, methods, and computer program products for redacting sensitive data within a database. An example method can include examining a first column of a plurality of columns of a database to identify a first category of sensitive data in a first location of the first column and a second category of sensitive data in a second location of the first column, receiving a masking policy for the first column, the masking policy identifying the first category of sensitive data, and, in response to a data query accessing the first column, executing a redaction operation to redact the first category of sensitive data from the first location of the first column to generate redacted data for a response to the data query.
    Type: Grant
    Filed: April 20, 2023
    Date of Patent: October 10, 2023
    Assignee: Snowflake Inc.
    Inventors: Yimeng Li, Carl Yates Perry, Raghavendran Ramakrishnan, Frantisek Rolinek, Yunqiao Zhang