Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
PB

Pedro M. Barbas

IBM: 34 patents #2,873 of 70,183Top 5%
GLGreen Market Square Limited: 1 patents #14 of 47Top 30%
Dunboyne, IE: #2 of 12 inventorsTop 20%
Overall (All Time): #96,489 of 4,157,543Top 3%
35 Patents All Time

Issued Patents All Time

Showing 26–35 of 35 patents

Patent #TitleCo-InventorsDate
10127277 Outer join optimizations in database management systems Peter J. Duffy, Lei Pan, David M. Tilson 2018-11-13
10083191 Dynamic test case prioritization for relational database systems 2018-09-25
10073866 Dynamic test case prioritization for relational database systems 2018-09-11
9971905 Adaptive access control in relational database management systems 2018-05-15
9953172 Secure database backup and recovery Joseph Duffy, Ken Maycock, David M. Tilson 2018-04-24
9929861 Secure database backup and recovery Joseph Duffy, Ken Maycock, David M. Tilson 2018-03-27
9916460 Secure database backup and recovery Joseph Duffy, Ken Maycock, David M. Tilson 2018-03-13
9715594 Secure database backup and recovery Joseph Duffy, Ken Maycock, David M. Tilson 2017-07-25
9135315 Data masking Austin Clifford, Gareth Jenkins, Brian McKeown 2015-09-15
8635206 Database query optimization 2014-01-21