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Inventor

Keith N. Langston

Inventor
Woodstock, NY, US

Overview

10→
Patents
1979–2019
Patent span
Physics
Primary field (CPC G)

Patents· 10 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G06Fprimary
G06FElectric digital data processing91%
G11CStatic stores9%
PatentTitleYear
10,338,923Branch prediction path wrong guess instruction20198,566,529'Method, system and computer program product for generalized LRU in cache and memory performance analysis and modeling'20138,131,945'Disowning cache entries on aging out of the entry'20128,131,936'Method and apparatus for implementing a combined data/coherency cache'20128,131,982'Branch prediction instructions having mask values involving unloading and loading branch history data'20127,577,795'Disowning cache entries on aging out of the entry'20097,475,193'Separate data and coherency cache directories in a shared cache in a multiprocessor system'20095,584,002'Cache remapping using synonym classes'19965,410,663'Method and system for cache memory congruence class management in a data processing system'19954,142,234'Bias filter memory for filtering out unnecessary interrogations of cache directories in a multiprocessor system'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979–2019Patents assigned to IBM (10)· patent assignee history
1979–1996Based in Ulster Park, NY, US· patent location history
2009–2019Based in Woodstock, NY, US· patent location history
2012–2019Patents assigned to LANGSTON KEITH N (5)· patent assignee history
2012–2019Patents assigned to EMMA PHILIP G (2)· patent assignee history
2012–2019Patents assigned to HARTSTEIN ALLAN M (2)· patent assignee history
2012–2013Patents assigned to HUTTON DAVID S (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IBM101979–2019
LANGSTON KEITH Nself52012–2019
EMMA PHILIP G22012–2019
HARTSTEIN ALLAN M22012–2019
HUTTON DAVID S22012–2013
Locations
LocationPatentsSpan
Woodstock, New York, US72009–2019
Ulster Park, New York, US31979–1996