Inventor · Northbridge, MA, US

Michael L. Ziegler

45Patents
20h-index
61Co-inventors
88Inventor score

Filing activity: Apr 25, 1980 → Jul 31, 2012

Most-cited inventions

PatentTitleAreaCited byStatus
US4794521A Digital computer with cache capable of concurrently handling multiple accesses from parallel processors Physics 123 Expired
US5586297A Partial cache line write transactions in a computing system with a write back cache Physics 123 Expired
US5530933A Multiprocessor system for maintaining cache coherency by checking the coherency in the order of the transactions being issued on the bus Physics 95 Expired
US5535352A Access hints for input/output address translation mechanisms Physics 72 Expired
US4783736A Digital computer with multisection cache Physics 63 Expired
US7771659B2 Arrangement and method for the analysis of body fluids Physics 55 Expired
US6199144A Method and apparatus for transferring data in a computer system Physics 54 Expired
US5133059A Computer with multiple processors having varying priorities for access to a multi-element memory Physics 52 Expired
US6708288B1 Compiler-based checkpointing for support of error recovery Physics 49 Expired
US4386399A Data processing system Physics 46 Expired
US6128706A Apparatus and method for a load bias--load with intent to semaphore Physics 46 Expired
US4380812A Refresh and error detection and correction technique for a data processing system Physics 41 Expired
US5737757A Cache tag system for use with multiple processors including the most recently requested processor identification Physics 40 Expired
US6874138B1 Method and apparatus for resuming execution of a failed computer program Physics 38 Expired
US6286095A Computer apparatus having special instructions to force ordered load and store operations Physics 37 Expired
US4513372A Universal memory Physics 36 Expired
US6473845B1 System and method for dynamically updating memory address mappings Physics 26 Expired
US4398243A Data processing system having a unique instruction processor system Physics 24 Expired
US4622630A Data processing system having unique bus control protocol Physics 22 Expired
US5528766A Multiple arbitration scheme Physics 20 Expired
US8940252B2 Rack apparatus for a sample distribution system Physics 17 Active
US5515522A Coherence index generation for use by an input/output adapter located outside of the processor to detect whether the updated version of data resides within the cache Physics 16 Expired
US5519838A Fast pipelined distributed arbitration scheme Physics 16 Expired
US4493033A Dual port cache with interleaved read accesses during alternate half-cycles and simultaneous writing Physics 15 Expired
US6304932A Queue-based predictive flow control mechanism with indirect determination of queue fullness Physics 12 Expired

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