AL

Alex Chak-tsang Lui

IBM: 2 patents #32,839 of 70,183Top 50%
Overall (All Time): #2,235,384 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6032143 Evaluation of existential and universal subquery in a relational database management system for increased efficiency Ting Yu Leung, Mir Hamid Pirahesh, Tuong Chanh Truong 2000-02-29
5864840 Evaluation of existential and universal subquery in a relational database management system for increased efficiency Ting Yu Leung, Mir Hamid Pirahesh, Tuong Chanh Truong 1999-01-26