Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8983985 | Masking sensitive data of table columns retrieved from a database | Stephen Yao Ching Chen, Curt L. Cotner, Gerald G. Kiernan, Claire McFeely, Walid Rjaibi +1 more | 2015-03-17 |
| 8930410 | Query transformation for masking data within database objects | Eric L. Alton, Thomas A. Beavin, Harley W. Boughton, Yao-Ching Chen, Curt L. Cotner +9 more | 2015-01-06 |
| 8515948 | Managing materialized query tables (MQTS) over fine-grained access control (FGAC) protected tables | Yao-Ching Chen, Curt L. Cotner, Gerald G. Kiernan, David J. Kuang, Regina J. Liu +2 more | 2013-08-20 |
| 7840552 | Cost-based subquery correlation and decorrelation | Thomas A. Beavin, Mengchu Cai, Yao-Ching Chen, Hsiuying Cheng, Fen-Ling Lin +5 more | 2010-11-23 |
| 7376646 | Cost-based subquery correlation and decorrelation | Thomas A. Beavin, Mengchu Cai, Yao-Ching Chen, Hsiuying Cheng, Fen-Ling Lin +5 more | 2008-05-20 |
| 7346609 | Streaming XPath algorithm for XPath value index key generation | Yao-Ching Chen, Demai Ni, Guogen Zhang, Qinghua Zou | 2008-03-18 |
| 7246115 | Materialized view signature and efficient identification of materialized view candidates for queries | Guogen Zhang, Ding-Wei Chieh, Lee-Chin Hsu Liu, Yao-Ching Chen, Hsuiying Cheng +3 more | 2007-07-17 |
| 7089225 | Efficient heuristic approach in selection of materialized views when there are multiple matchings to an SQL query | Ruiping Li, Lee-Chin Hsu Liu, Guogen Zhang | 2006-08-08 |