Inventor · Palo Alto, CA, US

David V. James

84Patents
28h-index
45Co-inventors
88Inventor score

Filing activity: Jun 28, 1985 → Jun 4, 2012

Most-cited inventions

PatentTitleAreaCited byStatus
US6442644B1 Memory system having synchronous-link DRAM (SLDRAM) devices and controller Emerging Cross-Sectional Technologies 382 Expired
US5860080A Multicasting system for selecting a group of memory devices for operation Physics 203 Expired
US6763426B1 Cascadable content addressable memory (CAM) device and architecture Physics 146 Expired
US5574922A Processor with sequences of processor instructions for locked memory updates Physics 122 Expired
US6108739A Method and system for avoiding starvation and deadlocks in a split-response interconnect of a computer system Physics 106 Expired
US6226723A Bifurcated data and command/address communication bus architecture for random access memories employing synchronous communication protocols Physics 99 Expired
US6133938A Descriptor mechanism for assuring indivisible execution of AV/C operations Electricity 94 Expired
US4777589A Direct input/output in a virtual memory system Physics 76 Expired
US5052029A Self-correcting synchronization signal method and apparatus Electricity 72 Expired
US5717952A DMA controller with mechanism for conditional action under control of status register, prespecified parameters, and condition field of channel command Physics 70 Expired
US6445711B1 Method of and apparatus for implementing and sending an asynchronous control mechanism packet used to control bridge devices within a network of IEEE STD 1394 serial buses Electricity 65 Expired
US6519657B1 Method and device for identifying an active 1394A node attached to a 1394B network Electricity 63 Expired
US7185141B1 Apparatus and method for associating information values with portions of a content addressable memory (CAM) device Emerging Cross-Sectional Technologies 60 Expired
US5961623A Method and system for avoiding starvation and deadlocks in a split-response interconnect of a computer system Physics 55 Expired
US6906936B1 Data preclassifier method and apparatus for content addressable memory (CAM) device Physics 54 Expired
US5495592A System for finding and setting address portion of variable-length character string by XOR-ing portion in number of bytes within single instruction Physics 41 Expired
US6006289A System for transferring data specified in a transaction request as a plurality of move transactions responsive to receipt of a target availability signal Physics 40 Expired
US6523108B1 Method of and apparatus for extracting a string of bits from a binary bit string and depositing a string of bits onto a binary bit string Physics 39 Expired
US5323426A Elasticity buffer for data/clock synchronization Electricity 39 Expired
US5815695A Method and apparatus for using condition codes to nullify instructions based on results of previously-executed instructions on a computer processor Physics 37 Expired
US4774653A Hybrid hardware/software method and apparatus for virtual memory address translation using primary and secondary translation buffers Physics 36 Expired
US6690309B1 High speed transmission system with clock inclusive balanced coding Electricity 34 Expired
US4779195A Interrupt system using masking register in processor for selectively establishing device eligibility to interrupt a particular processor Physics 34 Expired
US6539450B1 Method and system for adjusting isochronous bandwidths on a bus Electricity 30 Expired
US6892273B1 Method and apparatus for storing mask values in a content addressable memory (CAM) device Physics 30 Expired

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