Inventor · Pleasant Valley, NY, US

Mark S. Farrell

166Patents
20h-index
121Co-inventors
93Inventor score

Filing activity: Jul 29, 1987 → Apr 7, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US4843541A Logical resource partitioning of a data processing system Physics 348 Expired
US7200704B2 Virtualization of an I/O adapter port using enablement and activation functions Physics 121 Expired
US7234037B2 Memory mapped Input/Output operations Physics 67 Expired
US6119219A System serialization with early release of individual processor Physics 60 Expired
US7606965B2 Information handling system with virtualized I/O adapter ports Physics 56 Active
US6079013A Multiprocessor serialization with early release of processors Physics 53 Expired
US7197585B2 Method and apparatus for managing the execution of a broadcast instruction on a guest processor Physics 50 Expired
US8626970B2 Controlling access by a configuration to an adapter function Physics 32 Active
US5694617A System for prioritizing quiesce requests and recovering from a quiescent state in a multiprocessing system with a milli-mode operation Physics 27 Expired
US7356725B2 Method and apparatus for adjusting a time of day clock without adjusting the stepping rate of an oscillator Physics 27 Expired
US6044454A IEEE compliant floating point unit Physics 26 Expired
US8176279B2 Managing use of storage by multiple pageable guests of a computing environment Physics 25 Active
US9286076B2 Intra-instructional transaction abort handling Physics 25 Active
US9280448B2 Controlling operation of a run-time instrumentation facility from a lesser-privileged state Physics 24 Active
US8364912B2 Use of test protection instruction in computing environments that support pageable guests Physics 23 Active
US7984275B2 Computer configuration virtual topology discovery and instruction therefore Physics 23 Active
US5802359A Mapping processor state into a millicode addressable processor state register array Physics 23 Expired
US7739434B2 Performing a configuration virtual topology change and instruction therefore Physics 22 Active
US8195986B2 Method, system and computer program product for processing error information in a system Physics 21 Active
US7552436B2 Memory mapped input/output virtualization Physics 20 Active
US5790844A Millicode load and test access instruction that blocks interrupts in response to access exceptions Physics 20 Expired
US6058470A Specialized millicode instruction for translate and test Physics 20 Expired
US9250902B2 Determining the status of run-time-instrumentation controls Physics 18 Active
US5748951A Specialized millicode instructions which reduce cycle time and number of instructions necessary to perform complex operations Physics 17 Expired
US7734900B2 Computer configuration virtual topology discovery and instruction therefore Physics 15 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.