Inventor
Lee-Chin Hsu Liu
Inventor
San Jose, CA, US
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Fprimary
G06FElectric digital data processing38%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests38%
B81BMicrostructural devices or systems, e.g. micromechanical devices3%
B81CProcesses or apparatus specially adapted for the manufacture or treatment of microstructural devices or systems3%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure3%
H01LSemiconductor devices3%
H10DInorganic electric semiconductor devices3%
H10NElectric solid-state devices not otherwise provided for3%
Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use3%
PatentTitleYear
11,021,363Integrating diverse sensors in a single semiconductor device20218,041,726'System for executing a query having multiple distinct key columns'20117,487,140'Method for executing a query having multiple distinct key columns'20097,246,115'Materialized view signature and efficient identification of materialized view candidates for queries'20077,181,446'Query transformation for queries involving correlated subqueries having correlation join predicates with local filtering predicates involving predicate transitive closure and predicate pull-out'20077,089,225'Efficient heuristic approach in selection of materialized views when there are multiple matchings to an SQL query'20066,513,028'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'20036,397,204'Method, system, and program for determining the join ordering of tables in a join query'20026,266,660'Secondary index search'20016,263,331'Hybrid hash join process'20016,185,557'Merge join process'20015,758,149'System for optimally processing a transaction and a query to the same database concurrently'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998–2001Patents assigned to UNISYS CORP (4)· patent assignee history
1998–2001Based in Plymouth, MN, US· patent location history
2001–2011Based in San Jose, CA, US· patent location history
2002–2011Patents assigned to IBM (7)· patent assignee history
2021Patents assigned to NXP USA INC (1)· patent assignee history
2021Based in Chandler, AZ, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| IBM | 7 | 2002–2011 |
| UNISYS CORP | 4 | 1998–2001 |
| NXP USA INC | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| San Jose, California, US | 9 | 2001–2011 |
| Plymouth, Minnesota, US | 2 | 1998–2001 |
| Chandler, AZ, US | 1 | 2021 |