Stephen Yao Ching Chen

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Saratoga, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Masking sensitive data of table columns retrieved from a database
- Patent number 8,983,985
- Issue date Mar 17, 2015
- International Business Machines Corporation
- Stephen Yao Ching Chen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method, system, and program for performing a join operation on a mu...
- Patent number 6,446,063
- Issue date Sep 3, 2002
- International Business Machines Corporation
- Stephen Yao Ching Chen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method, system, and program for a join operation on a multi-column...
- Patent number 6,374,235
- Issue date Apr 16, 2002
- International Business Machines Corporation
- Stephen Yao Ching Chen
- G06 - COMPUTING CALCULATING COUNTING