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Petrus Kai Chung Chan
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Richmond Hill, CA
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Patents Grants
last 30 patents
Information
Patent Grant
Automated optimization of number-of-frequent-value database statistics
Patent number
11,210,290
Issue date
Dec 28, 2021
International Business Machines Corporation
Mohamad F. Kalil
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method, system and program for simplifying data flow in a statement...
Patent number
8,589,435
Issue date
Nov 19, 2013
International Business Machines Corporation
Petrus Kai Chung Chan
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
System and method for identifying and maintaining base table data b...
Patent number
7,167,878
Issue date
Jan 23, 2007
International Business Machines Corporation
Petrus K. C. Chan
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
System and method for selective incremental deferred constraint pro...
Patent number
6,453,314
Issue date
Sep 17, 2002
International Business Machines Corporation
Petrus Kai Chung Chan
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
AUTOMATED OPTIMIZATION OF NUMBER-OF-FREQUENT-VALUE DATABASE STATISTICS
Publication number
20210209110
Publication date
Jul 8, 2021
International Business Machines Corporation
Mohamad F. Kalil
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
System and method for gradually bringing rolled in data online with...
Publication number
20060020605
Publication date
Jan 26, 2006
International Business Machines Corporation
Petrus Kai Chung Chan
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Method, system and program for simplifying data flow in a statement...
Publication number
20060004863
Publication date
Jan 5, 2006
International Business Machines Corporation
Petrus Kai Chung Chan
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
System and method for identifying and maintaining base table data b...
Publication number
20040122868
Publication date
Jun 24, 2004
International Business Machines Corporation
Petrus K. C. Chan
G06 - COMPUTING CALCULATING COUNTING