Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8010492 | Redundant version information in history table that enables efficient snapshot querying | Dilip Kumar Biswal, Isaac Kam-Chak Cheng, Cecilia O. Chu, Louis S. W. Mau | 2011-08-30 |
| 7974947 | Incrementally sychronizing occasionally-connected mobile databases, preserving horizontal filter scope consistency by using client pre-image | Dilip Kumar Biswal, Isaac Kam-Chak Cheng, Cecilia O. Chu, Louis S. W. Mau | 2011-07-05 |
| 7509307 | Redundant version information in history table that enables efficient snapshot querying | Dilip Kumar Biswal, Isaac Kam-Chak Cheng, Cecilia O. Chu, Louis S. W. Mau | 2009-03-24 |
| 7403958 | Synchronization-replication concurrency using non-shared snapshot query on a history table at read-uncommitted isolation level | Dilip Kumar Biswal, Isaac Kam-Chak Cheng, Cecilia O. Chu, Louis S. W. Mau | 2008-07-22 |
| 7395280 | Incrementally sychronizing occasionally-connected mobile databases, preserving horizontal filter scope consistency by using client pre-image | Dilip Kumar Biswal, Isaac Kam-Chak Cheng, Cecilia O. Chu, Louis S. W. Mau | 2008-07-01 |
| 6342985 | Method and apparatus for improving disk drive seek performance | Troy Tse-Quong Lee, Louis J. Serrano | 2002-01-29 |
| 6122125 | Head selectable servo notch filter and method for improving servo system performance | Gregory Michael Frees, Louis J. Serrano | 2000-09-19 |
| 6111720 | Method and apparatus for providing separate read/write velocity curves | Bernd Lamberts, Louis J. Serrano | 2000-08-29 |
| 5898286 | Digital servo control system for a data recording disk file with improved saturation modelling | Louis J. Serrano | 1999-04-27 |
| 5825579 | Disk drive servo sensing gain normalization and linearization | Wayne Leung Cheung, Louis J. Serrano | 1998-10-20 |