Inventor · disambiguated record
Alex Chak-Tsang Lui
Also filed as: LUI ALEX CHAK-TSANG
2 granted patents·167 citations·filing 1997–1998
71Inventor score
Technology areasG06F
Files withIBM2
Top patents by PatentIndex Score
2 records- 0182US5864840AEvaluation of existential and universal subquery in a relational database management system for increased efficiencyIBM·Filed 1997·Granted Jan 26, 1999·94 cites·90 claims
- 0277US6032143AEvaluation of existential and universal subquery in a relational database management system for increased efficiencyIBM·Filed 1998·Granted Feb 29, 2000·73 cites·37 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →