Inventor · disambiguated record
Petrus Chan
Also filed as: CHAN PETRUS · CHAN PETRUS K C · CHAN PETRUS KAI CHUNG
6 granted patents·208 citations·filing 1999–2020
81Inventor score
Top patents by PatentIndex Score
6 records- 0193US6453314B1System and method for selective incremental deferred constraint processing after bulk loading dataIBM·Filed 1999·Granted Sep 17, 2002·184 cites·63 claims
- 0262US7290214B2Independent deferred incremental refresh of materialized viewsIBM·Filed 2003·Granted Oct 30, 2007·11 cites·26 claims
- 0354US11210290B2Automated optimization of number-of-frequent-value database statisticsIBM·Filed 2020·Granted Dec 28, 2021·0 cites·20 claims
- 0451US7302441B2System and method for gradually bringing rolled in data online with incremental deferred integrity processingIBM·Filed 2004·Granted Nov 27, 2007·3 cites·18 claims
- 0551US7167878B2System and method for identifying and maintaining base table data blocks requiring deferred incremental integrity maintenanceIBM·Filed 2003·Granted Jan 23, 2007·10 cites·22 claims
- 0637US8589435B2Method, system and program for simplifying data flow in a statement with sequenced subexpressionsCHAN PETRUS KAI CHUNG·Filed 2004·Granted Nov 19, 2013·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →