Inventor · Bristol, GB

Robert Warren

47Patents
15h-index
22Co-inventors
81Inventor score

Filing activity: Apr 15, 1974 → Apr 8, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US6675284B1 Integrated circuit with multiple processing cores Physics 94 Expired
US6125416A Method and device for communicating across a chip boundary including a serial-parallel data packet converter having flow control logic Physics 80 Expired
US5983379A Test access port controller and a method of effecting communication using the same Physics 69 Expired
US4516201A Multiplexed data communications using a queue in a controller Physics 37 Expired
US6430727B1 Diagnostic procedures in an integrated circuit device Physics 35 Expired
US5978870A On-chip parallel-serial data packet converter to interconnect parallel bus of integrated circuit chip with external device Physics 33 Expired
US6279103A Method and device for providing an instruction trace from an on-chip CPU using control signals from the CPU Physics 24 Expired
US6134652A Diagnostic procedures in an integrated circuit device Physics 24 Expired
US6249875A Interface circuit using plurality of synchronizers for synchronizing respective control signals over a multi-clock environment Physics 20 Expired
US5126950A Synchronous array logic circuitry and systems Electricity 19 Expired
US7383481B2 Method and apparatus for testing a functional circuit at speed Physics 19 Expired
US6088822A Integrated circuit with tap controller Physics 18 Expired
US5742617A Controller for implementing scan testing Physics 17 Expired
US5596584A Single clock scan latch Electricity 15 Expired
US7398440B2 Tap multiplexer Physics 15 Expired
US6134481A Message protocol Physics 15 Expired
US5719876A Scan latch using half latches Electricity 15 Expired
US6178525A Trigger sequencing controller Physics 14 Expired
US5064617A Combustion system Physics 12 Expired
US6526535B1 Synchronous data adaptor Physics 9 Expired
US6041378A Integrated circuit device and method of communication therewith Physics 9 Expired
US7165199B2 Tap time division multiplexing Physics 8 Expired
US9454310B2 Command queuing Physics 7 Active
US7702974B2 TAP time division multiplexing with scan test Physics 7 Expired
US5719877A Scan test Electricity 7 Expired

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