Inventor · Acton, MA, US

John E. Murray

15Patents
13h-index
23Co-inventors
74Inventor score

Filing activity: Jul 7, 1980 → Aug 9, 1991

Most-cited inventions

PatentTitleAreaCited byStatus
US5142634A Branch prediction Physics 207 Expired
US4888679A Method and apparatus using a cache and main memory for both vector processing and scalar processing by prefetching cache blocks including vector data elements Physics 124 Expired
US4985825A System for delaying processing of memory access exceptions until the execution stage of an instruction pipeline of a virtual memory system based digital computer Physics 94 Expired
US5222223A Method and apparatus for ordering and queueing multiple memory requests Physics 88 Expired
US5125083A Method and apparatus for resolving a variable number of potential memory access conflicts in a pipelined computer system Physics 82 Expired
US5109495A Method and apparatus using a source operand list and a source operand pointer queue between the execution unit and the instruction decoding and operand processing units of a pipelined data processor Physics 78 Expired
US5113515A Virtual instruction cache system using length responsive decoded instruction shifting and merging with prefetch buffer outputs to fill instruction buffer Physics 57 Expired
US4982402A Method and apparatus for detecting and correcting errors in a pipelined computer system Physics 52 Expired
US5142633A Preprocessing implied specifiers in a pipelined processor Physics 50 Expired
US5148528A Method and apparatus for simultaneously decoding three operands in a variable length instruction when one of the operands is also of variable length Physics 48 Expired
US5167026A Simultaneously or sequentially decoding multiple specifiers of a variable length pipeline instruction based on detection of modified value of specifier registers Physics 46 Expired
US5142631A System for queuing individual read or write mask and generating respective composite mask for controlling access to general purpose register Physics 45 Expired
US5349651A System for translation of virtual to physical addresses by operating memory management processor for calculating location of physical address in memory concurrently with cache comparing virtual addresses for translation Physics 43 Expired
US4380797A Two level store with many-to-one mapping scheme Physics 7 Expired
US4548002A Roof for a mobile home or the like Fixed Constructions 3 Expired

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