Inventor · Underhill, VT, US

John A. Fifield

178Patents
25h-index
142Co-inventors
93Inventor score

Filing activity: Sep 14, 1981 → Sep 29, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US5010524A Crosstalk-shielded-bit-line dram Physics 115 Expired
US5134616A Dynamic RAM with on-chip ECC and optimized bit and word redundancy Physics 108 Expired
US6141245A Impedance control using fuses Electricity 86 Expired
US6118318A Self biased differential amplifier with hysteresis Electricity 82 Expired
US5873053A On-chip thermometry for control of chip operating temperature Emerging Cross-Sectional Technologies 68 Expired
US6577156B2 Method and apparatus for initializing an integrated circuit using compressed data from a remote fusebox Physics 64 Expired
US6346846B1 Methods and apparatus for blowing and sensing antifuses Physics 60 Expired
US5761114A Multi-level storage gain cell with stepline Physics 59 Expired
US6420925B1 Programmable latch device with integrated programmable element Physics 59 Expired
US5909400A Three device BICMOS gain cell Physics 56 Expired
US6373771B1 Integrated fuse latch and shift register for efficient programming and fuse readout Physics 53 Expired
US5058115A Fault tolerant computer memory systems and components employing dual level error correction and detection with lock-up feature Physics 51 Expired
US6753590B2 High impedance antifuse Emerging Cross-Sectional Technologies 45 Expired
US6444490B1 Micro-flex technology in semiconductor packages Electricity 42 Expired
US5307356A Interlocked on-chip ECC system Physics 41 Expired
US5228046A Fault tolerant computer memory systems and components employing dual level error correction and detection with disablement feature Physics 39 Expired
US5682394A Fault tolerant computer memory systems and components employing dual level error correction and detection with disablement feature Physics 37 Expired
US6400202B1 Programmable delay element and synchronous DRAM using the same Electricity 36 Expired
US6177807A High frequency valid data strobe Electricity 35 Expired
US5535226A On-chip ECC status Physics 33 Expired
US6384666B1 Antifuse latch device with controlled current programming and variable trip point Physics 30 Expired
US6272054A Twin-cell memory architecture with shielded bitlines for embedded memory applications Physics 27 Expired
US9000837B1 Adjustable reference voltage generator for single-ended DRAM sensing devices Physics 27 Active
US6621324B2 Redundant antifuse segments for improved programming efficiency Electricity 26 Expired
US5031151A Wordline drive inhibit circuit implementing worldline redundancy without an access time penalty Physics 26 Expired

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