Alex Chak-tsang Lui

Follow

Person

Kowloon, HK

People

Patents Grantslast 30 patents

Information Patent Grant
Evaluation of existential and universal subquery in a relational da...
- Patent number 6,032,143
- Issue date Feb 29, 2000
- International Business Machines Corporation
- Ting Yu Leung
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Evaluation of existential and universal subquery in a relational da...
- Patent number 5,864,840
- Issue date Jan 26, 1999
- International Business Machines Corporation
- Ting Yu Leung
- G06 - COMPUTING CALCULATING COUNTING