Inventor · Austin, TX, US

Stephen T. Flannagan

42Patents
18h-index
25Co-inventors
81Inventor score

Filing activity: Oct 1, 1980 → Nov 29, 2001

Most-cited inventions

PatentTitleAreaCited byStatus
US5440514A Write control for a memory using a delay locked loop Physics 130 Expired
US4807191A Redundancy for a block-architecture memory Physics 129 Expired
US5402389A Synchronous memory having parallel output data paths Physics 100 Expired
US5440515A Delay locked loop for detecting the phase difference of two signals having different frequencies Physics 88 Expired
US5384737A Pipelined memory having synchronous and asynchronous operating modes Physics 65 Expired
US4449207A Byte-wide dynamic RAM with multiplexed internal buses Physics 63 Expired
US6157583A Integrated circuit memory having a fuse detect circuit and method therefor Physics 58 Expired
US4698788A Memory architecture with sub-arrays Physics 46 Expired
US5477176A Power-on reset circuit for preventing multiple word line selections during power-up of an integrated circuit memory Electricity 45 Expired
US5268866A Memory with column redundancy and localized column redundancy control signals Physics 42 Expired
US4644196A Tri-state differential amplifier Physics 33 Expired
US4468759A Testing method and apparatus for dram Physics 31 Expired
US4658381A Bit line precharge on a column address change Physics 31 Expired
US5610543A Delay locked loop for detecting the phase difference of two signals having different frequencies Physics 28 Expired
US4406013A Multiple bit output dynamic random-access memory Physics 24 Expired
US4547867A Multiple bit dynamic random-access memory Physics 22 Expired
US5670815A Layout for noise reduction on a reference voltage Electricity 20 Expired
US4636991A Summation of address transition signals Physics 19 Expired
US5426381A Latching ECL to CMOS input buffer circuit Electricity 16 Expired
US4661931A Asynchronous row and column control Physics 15 Expired
US4716302A Identity circuit for an integrated circuit using a fuse and transistor enabled by a power-on reset signal Electricity 15 Expired
US4453237A Multiple bit output dynamic random-access memory Physics 15 Expired
US4630239A Chip select speed-up circuit for a memory Physics 14 Expired
US5293081A Driver circuit for output buffers Physics 14 Expired
US5059829A Logic level shifting circuit with minimal delay Electricity 13 Expired

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