Inventor · Cary, NC, US

Mark Michael Schaffer

24Patents
9h-index
28Co-inventors
75Inventor score

Filing activity: Nov 23, 1988 → Oct 18, 2012

Most-cited inventions

PatentTitleAreaCited byStatus
US6055584A Processor local bus posted DMA FlyBy burst transfers Physics 70 Expired
US6081860A Address pipelining for data transfers Physics 50 Expired
US5884051A System, methods and computer program products for flexibly controlling bus access based on fixed and dynamic priorities Physics 34 Expired
US5925118A Methods and architectures for overlapped read and write operations Physics 32 Expired
US5862353A Systems and methods for dynamically controlling a bus Physics 32 Expired
US4926374A Residue checking apparatus for detecting errors in add, subtract, multiply, divide and square root operations Physics 12 Expired
US5848436A Method and apparatus for efficiently providing data from a data storage medium to a processing entity Physics 12 Expired
US5926831A Methods and apparatus for control of speculative memory accesses Physics 12 Expired
US6504854B1 Multiple frequency communications Physics 9 Expired
US6047336A Speculative direct memory access transfer between slave devices and memory Physics 8 Expired
US7395361B2 Apparatus and methods for weighted bus arbitration among a plurality of master devices based on transfer direction and/or consumed bandwidth Physics 7 Expired
US6032238A Overlapped DMA line transfers Physics 5 Expired
US7209998B2 Scalable bus structure Physics 3 Expired
US8615638B2 Memory controllers, systems and methods for applying page management policies based on stream transaction information Physics 3 Active
US9064050B2 Arbitrating bus transactions on a communications bus based on bus device health information and related power management Emerging Cross-Sectional Technologies 3 Active
US9152595B2 Processor-based system hybrid ring bus interconnects, and related devices, processor-based systems, and methods Emerging Cross-Sectional Technologies 3 Active
US6052745A System for asserting burst termination signal and burst complete signal one cycle prior to and during last cycle in fixed length burst transfers Physics 2 Expired
US8838861B2 Methods and apparatuses for trace multicast across a bus structure, and related systems Physics 1 Active
US7185123B2 Method and apparatus for allocating bandwidth on a transmit channel of a bus Physics 1 Expired
US8861410B2 Method and apparatus for scalable network transaction identifier for interconnects Electricity 0 Active
US8028143B2 Method and apparatus for transmitting memory pre-fetch commands on a bus Physics 0 Expired
US8599886B2 Methods and apparatus for reducing transfer qualifier signaling on a two-channel bus Emerging Cross-Sectional Technologies 0 Active
US7617343B2 Scalable bus structure Physics 0 Active
US7913021B2 Scalable bus structure Physics 0 Active

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