Inventor
CLARE DONALD LEE
US9 patents
Patents
9 patentsUS6122125ASep 19, 2000
Head selectable servo notch filter and method for improving servo system performance
IBM19 citations92
US6111720AAug 29, 2000
Method and apparatus for providing separate read/write velocity curves
IBM20 citations92
US5898286AApr 27, 1999
Digital servo control system for a data recording disk file with improved saturation modelling
IBM29 citations92
US6342985B1Jan 29, 2002
Method and apparatus for improving disk drive seek performance
IBM32 citations88
US7403958B2Jul 22, 2008
Synchronization-replication concurrency using non-shared snapshot query on a history table at read-uncommitted isolation level
IBM10 citations80
US7509307B2Mar 24, 2009
Redundant version information in history table that enables efficient snapshot querying
IBM7 citations70
US8010492B2Aug 30, 2011
Redundant version information in history table that enables efficient snapshot querying
IBM4 citations59
US7974947B2Jul 5, 2011
Incrementally sychronizing occasionally-connected mobile databases, preserving horizontal filter scope consistency by using client pre-image
IBM0 citations47
US7395280B2Jul 1, 2008
Incrementally sychronizing occasionally-connected mobile databases, preserving horizontal filter scope consistency by using client pre-image
IBM1 citations47