Xie; Liehua
Patent Applications and Registrations
Patent applications and USPTO patent grants for Xie; Liehua.The latest application filed is for "method and apparatus for voice conference monitoring".
- Xie; Liehua - Herndon VA
- Xie; Liehua - Gaithersburg MD
- Xie; Liehua - Newark DE
| Patent | Date |
|---|---|
| Method and apparatus for voice conference monitoring Grant 8,218,458 - Flynn , et al. July 10, 2 | 2012-07-10 |
| System and method for load balancing a communications network Grant 7,805,517 - Shim , et al. September 28, 2 | 2010-09-28 |
| Method and Apparatus for Voice Conference Monitoring App 20080219177 - Flynn; Peter ; et al. | 2008-09-11 |
| System and method for monitoring VoIP call quality App 20070008899 - Shim; Choon B. ; et al. | 2007-01-11 |
| System and method for load balancing a communications network App 20060069776 - Shim; Choon B. ; et al. | 2006-03-30 |
| Message authentication code with improved error tolerance Grant 6,665,420 - Xie , et al. December 16, 2 | 2003-12-16 |
| Message authentication code using image histograms Grant 6,606,393 - Xie , et al. August 12, 2 | 2003-08-12 |
| Systems and methods for etching digital watermarks Grant 6,512,836 - Xie , et al. January 28, 2 | 2003-01-28 |
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