Inventor · Mill Valley, CA, US

Thomas Keefe

17Patents
6h-index
21Co-inventors
62Inventor score

Filing activity: Dec 21, 2000 → Jun 25, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US7761704B2 Method and apparatus for expiring encrypted data Emerging Cross-Sectional Technologies 24 Active
US7228304B1 Method and system for implementing an extensible audit trail Emerging Cross-Sectional Technologies 11 Expired
US7310647B2 Column masking of tables Emerging Cross-Sectional Technologies 10 Expired
US8549038B2 Pluggable session context Physics 8 Active
US6516317B1 Method and apparatus for facilitating compartmentalized database user management Emerging Cross-Sectional Technologies 8 Expired
US9043309B2 SQL transformation-based optimization techniques for enforcement of data access control Physics 6 Active
US8635660B2 Dynamic constraints for query operations Electricity 6 Active
US8667018B2 Method and system for optimizing row level security in database systems Physics 2 Active
US9471801B2 Method and apparatus to support privileges at multiple levels of authentication using a constraining ACL Physics 1 Active
US7945960B2 Dynamic conditional security policy extensions Electricity 1 Active
US10049205B2 Asserting identities of application users in a database system based on delegated trust Physics 0 Active
US8220033B2 Method and apparatus for managing bootstrap credentials for credentials-storage systems Electricity 0 Active
US9495394B2 Pluggable session context Physics 0 Active
US9886590B2 Techniques for enforcing application environment based security policies using role based access control Physics 0 Active
US9477671B2 System and method for implementing effective date constraints in a role hierarchy Physics 0 Active
US10339336B2 Method and apparatus for encrypting database columns Physics 0 Active
US8732847B2 Access control model of function privileges for enterprise-wide applications Physics 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.