Inventor · Renton, WA, US

John Duffy

83Patents
10h-index
67Co-inventors
81Inventor score

Filing activity: May 23, 1980 → Aug 6, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US7890472B2 Parallel nested transactions in transactional memory Physics 72 Active
US8266604B2 Transactional memory compatibility management Physics 27 Active
US7097748B2 Electrolyzer pressure equalization system Emerging Cross-Sectional Technologies 22 Expired
US7434010B2 Combined pessimistic and optimisitic concurrency control Emerging Cross-Sectional Technologies 18 Active
US9430200B1 Cross-library framework architecture feature sets Physics 17 Active
US8010550B2 Parallelizing sequential frameworks using transactions Physics 16 Active
US9098269B2 System and method to ensure resource access safety with immutable object types Physics 14 Active
US7840530B2 Parallel nested transactions in transactional memory Physics 12 Active
US8201171B2 Adjacent data parallel and streaming operator fusion Physics 11 Active
US4350240A Coin slide with interchangeable cores Physics 11 Expired
US7908255B2 Transactional memory using buffered writes and enforced serialization order Physics 10 Active
US9740460B2 Resource access safety through immutable object types Physics 9 Active
US8392920B2 Parallel query engine with dynamic number of workers Physics 9 Active
US8601456B2 Software transactional protection of managed pointers Physics 9 Active
US7860847B2 Exception ordering in contention management to support speculative sequential semantics Physics 9 Active
US7627594B2 Runtime support for nullable types Physics 8 Active
US4401202A Coin slide with interchangeable cores Physics 8 Expired
US7711678B2 Software transaction commit order and conflict management Emerging Cross-Sectional Technologies 8 Active
US4499983A Coin slide with coin drop delay means Physics 7 Expired
US8365198B2 Handling exceptions in a data parallel system Physics 7 Active
US7895582B2 Facilitating stack read and write operations in a software transactional memory system Physics 7 Active
US8250576B2 Structured task hierarchy for a parallel runtime Physics 7 Active
US8683470B2 Scalable thread locking with customizable spinning Physics 6 Active
US9189446B2 Immutable sharable zero-copy data and streaming Physics 6 Active
US8997101B2 Scalable thread locking with customizable spinning Physics 5 Active

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