Liu; Lee-Chin Hsu

Patent Applications and Registrations

Patent applications and USPTO patent grants for Liu; Lee-Chin Hsu.The latest application filed is for "system for executing a query having multiple distinct key columns".

Company Profile

0.10.5

Liu; Lee-Chin Hsu - San Jose CA
Liu; Lee-Chin Hsu - Plymouth MN

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
System for executing a query having multiple distinct key columns Grant 8,041,726 - Chen , et al. October 18, 2	2011-10-18
Method for executing a query having multiple distinct key columns Grant 7,487,140 - Chen , et al. February 3, 2	2009-02-03
System For Executing A Query Having Multiple Distinct Key Columns App 20090012945 - Chen; Yao-Ching ; et al.	2009-01-08
Materialized view signature and efficient identification of materialized view candidates for queries Grant 7,246,115 - Zhang , et al. July 17, 2	2007-07-17
Query transformation for queries involving correlated subqueries having correlation join predicates with local filtering predicates involving predicate transitive closure and predicate pull-out Grant 7,181,446 - Bossman , et al. February 20, 2	2007-02-20
Efficient heuristic approach in selection of materialized views when there are multiple matchings to an SQL query Grant 7,089,225 - Li , et al. August 8, 2	2006-08-08
Efficient heuristic approach in selection of materialized views when there are multiple matchings to an SQL query App 20050114307 - Li, Ruiping ; et al.	2005-05-26
Materialized view signature and efficient identification of materialized view candidates for queries App 20040122804 - Zhang, Guogen ; et al.	2004-06-24
Matching groupings, re-aggregation avoidance and comprehensive aggregate function derivation rules in query rewrites using materialized views App 20040122814 - Zhang, Guogen ; et al.	2004-06-24
Method and system for executing a query having multiple distinct key columns App 20040117356 - Chen, Yao-Ching ; et al.	2004-06-17
Method, system, and program for searching a list of entries when search criteria is provided for less than all of the fields in an entry Grant 6,513,028 - Lee , et al. January 28, 2	2003-01-28
Method, system, and program for determining the join ordering of tables in a join query Grant 6,397,204 - Liu , et al. May 28, 2	2002-05-28
Secondary index search Grant 6,266,660 - Liu , et al. July 24, 2	2001-07-24
Hybrid hash join process Grant 6,263,331 - Liu , et al. July 17, 2	2001-07-17
Merge join process Grant 6,185,557 - Liu February 6, 2	2001-02-06

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