Inventor · disambiguated record
Keith N. Langston
Also filed as: LANGSTON KEITH N
10 granted patents·1 pending application·134 citations·filing 1977–2009
88Inventor score
Technology areasG06F
Top patents by PatentIndex Score
11 records- 0187US7577795B2Disowning cache entries on aging out of the entryIBM·Filed 2006·Granted Aug 18, 2009·17 cites·3 claims
- 0285US4142234ABias filter memory for filtering out unnecessary interrogations of cache directories in a multiprocessor systemIBM·Filed 1977·Granted Feb 27, 1979·66 cites·21 claims
- 0382US8131982B2Branch prediction instructions having mask values involving unloading and loading branch history dataEMMA PHILIP G·Filed 2008·Granted Mar 6, 2012·12 cites·9 claims
- 0478US7475193B2Separate data and coherency cache directories in a shared cache in a multiprocessor systemIBM·Filed 2006·Granted Jan 6, 2009·9 cites·19 claims
- 0566US8131945B2Disowning cache entries on aging out of the entryHUTTON DAVID S·Filed 2009·Granted Mar 6, 2012·3 cites·30 claims
- 0658US8566529B2Method, system and computer program product for generalized LRU in cache and memory performance analysis and modelingHUTTON DAVID S·Filed 2008·Granted Oct 22, 2013·2 cites·16 claims
- 0750US10338923B2Branch prediction path wrong guess instructionEMMA PHILIP G·Filed 2009·Granted Jul 2, 2019·0 cites·9 claims
- 0844US5584002ACache remapping using synonym classesIBM·Filed 1993·Granted Dec 10, 1996·16 cites·12 claims
- 0943US2007180193A1History based line installIBM·Filed 2006·Application pending·0 cites
- 1036US8131936B2Method and apparatus for implementing a combined data/coherency cacheLANGSTON KEITH N·Filed 2005·Granted Mar 6, 2012·0 cites·15 claims
- 1136US5410663AMethod and system for cache memory congruence class management in a data processing systemIBM·Filed 1992·Granted Apr 25, 1995·9 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →