Inventor · Hopkinton, MA, US

Roy E. Clark

74Patents
14h-index
41Co-inventors
84Inventor score

Filing activity: Jun 11, 1996 → Sep 20, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
US6826582B1 Method and system for using file systems for content management Emerging Cross-Sectional Technologies 2,128 Expired
US8627138B1 Data protection system and method Physics 313 Active
US7676628B1 Methods, systems, and computer program products for providing access to shared storage by computing grids and clusters with large numbers of nodes Electricity 94 Active
US7680987B1 Sub-page-granular cache coherency using shared virtual memory mechanism Physics 84 Active
US8904061B1 Managing storage operations in a server cache Physics 44 Active
US7020669B2 Apparatus, method and system for writing data to network accessible file system while minimizing risk of cache data loss/ data corruption Emerging Cross-Sectional Technologies 39 Expired
US8099554B1 System and method for flash-based data caching Physics 32 Active
US7809888B1 Content-aware caching techniques Physics 24 Expired
US5806086A Multiprocessor memory controlling system associating a write history bit (WHB) with one or more memory locations in controlling and reducing invalidation cycles over the system bus Physics 21 Expired
US7409525B1 Implicit locks in a shared virtual memory system Physics 21 Active
US8738857B1 System and method for improving cache performance Physics 20 Active
US9176902B1 Data migration techniques Electricity 16 Active
US9189387B1 Combined memory and storage tiering Physics 15 Active
US7774645B1 Techniques for mirroring data within a shared virtual memory system Physics 14 Active
US8909886B1 System and method for improving cache performance upon detecting a migration event Physics 13 Active
US5787468A Computer system with a cache coherent non-uniform memory access architecture using a fast tag cache to accelerate memory references Physics 12 Expired
US10235291B1 Methods and apparatus for multiple memory maps and multiple page caches in tiered memory Physics 10 Active
US9478274B1 Methods and apparatus for multiple memory maps and multiple page caches in tiered memory Physics 9 Active
US8099549B1 System and method for erasure encoding Electricity 8 Active
US8725939B1 System and method for improving cache performance Physics 8 Active
US8738858B1 System and method for improving cache performance Physics 8 Active
US8732342B1 I/O scheduling system and method Physics 7 Active
US9003106B1 Crash consistency Emerging Cross-Sectional Technologies 7 Active
US9053033B1 System and method for cache content sharing Physics 6 Active
US7698424B1 Techniques for presenting multiple data storage arrays to iSCSI clients as a single aggregated network array Electricity 6 Active

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