Inventor · Bristol, GB

William Barnes

32Patents
7h-index
4Co-inventors
58Inventor score

Filing activity: Apr 29, 1999 → Nov 19, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US6598177B1 Monitoring error conditions in an integrated circuit Physics 28 Expired
US6622273B1 Scan latch circuit Physics 23 Expired
US6404229B1 Complementary level shifting logic circuit with improved switching time Electricity 19 Expired
US6362680B1 Output circuit Electricity 14 Expired
US6480050B1 Level shifter with no quiescent DC current flow Electricity 14 Expired
US6194956A Low critical voltage current mirrors Physics 9 Expired
US6369632B1 CMOS switching circuitry Electricity 8 Expired
US6420909B1 Comparators Electricity 6 Expired
US6525572B1 Tristateable sense amplifier Physics 6 Expired
US6268747A Dynamic voltage sense amplifier Physics 4 Expired
US6466083B1 Current reference circuit with voltage offset circuitry Physics 4 Expired
US6362991B1 Miss detector Physics 4 Expired
US7010732B2 Built-in test support for an integrated circuit Physics 4 Expired
US6163468A Start up circuits and bias generators Physics 3 Expired
USD791263S1 Magazine accessory General 3 Active
US6590428B2 Evaluation of conduction at precharged node Electricity 3 Expired
US6721193B2 Cache memory Physics 3 Expired
US6580648B1 Memory circuit Physics 3 Expired
US6580628B2 Associative memory Physics 2 Expired
US6417699B1 Comparator circuits Electricity 2 Expired
US9593902B2 Systems and methods associated with a firearm sleeve Mechanical Engineering; Lighting; Heating 2 Active
US6353365B1 Current reference circuit Physics 2 Expired
US6522164B2 Switching circuit Electricity 2 Expired
US6614701B2 Weak bit testing Physics 2 Expired
US6611929B1 Test circuit for memory Physics 1 Expired

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