DG

Dengfeng Gao

IBM: 5 patents #18,733 of 70,183Top 30%
Overall (All Time): #1,001,229 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9524305 Boolean term conversion for null-tolerant disjunctive predicates Thomas A. Beavin, Mengchu Cai, Jae H. Lee, Li-Mey Lee, Terence P. Purcell +1 more 2016-12-20
9519662 Boolean term conversion for null-tolerant disjunctive predicates Thomas A. Beavin, Mengchu Cai, Jae H. Lee, Li-Mey Lee, Terence P. Purcell +1 more 2016-12-13
8930410 Query transformation for masking data within database objects Eric L. Alton, Thomas A. Beavin, Harley W. Boughton, Yao-Ching Chen, Curt L. Cotner +9 more 2015-01-06
7925646 Estimating the compilation time of a query optimizer Ihab Francis Ilyas, Eileen Tien Lin, Guy M. Lohman, Jun Rao 2011-04-12
7356526 Estimating the compilation time of a query optimizer Ihab Francis Ilyas, Eileen Tien Lin, Guy M. Lohman, Jun Rao 2008-04-08