Inventor · Shoreline, WA, US

Todd E. Humes

56Patents
21h-index
34Co-inventors
88Inventor score

Filing activity: Dec 7, 1998 → Feb 26, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US6396605B1 Apparatus and method for tuning an optical interferometer Electricity 67 Expired
US7245213B1 RFID readers and RFID tags exchanging encrypted password Electricity 57 Expired
US6664909B1 Method and apparatus for trimming high-resolution digital-to-analog converter Electricity 48 Expired
US7253719B2 Multi-oscillator clock signals Physics 42 Expired
US7388468B2 Method and system to backscatter modulate a radio-frequency signal from an RFID tag in accordance with both an oscillation frequency signal and a command signal Physics 32 Expired
US6965142B2 Floating-gate semiconductor structures Electricity 32 Expired
US7528728B2 Circuits for RFID tags with multiple non-independently driven RF ports Electricity 29 Expired
US7263001B2 Compact non-volatile memory cell and array system Physics 29 Expired
US7120550B2 Radio-frequency identification circuit oscillator calibration Physics 28 Expired
US7667589B2 RFID tag uncoupling one of its antenna ports and methods Physics 27 Expired
US7394324B2 Method and system to calibrate an oscillator within an RFID circuit utilizing a test signal supplied to the RFID circuit Physics 27 Active
US7391329B2 Performance driven adjustment of RFID waveform shape Physics 26 Active
US7149118B2 Method and apparatus for programming single-poly pFET-based nonvolatile memory cells Physics 25 Expired
US7038544B2 Use of analog-valued floating-gate transistors for parallel and serial signal processing Electricity 25 Expired
US7049872B2 Use of analog-valued floating-gate transistors to match the electrical characteristics of interleaved and pipelined circuits Electricity 24 Expired
US6064507A High speed differential optoelectronic receiver Electricity 24 Expired
US7432814B2 Reconstructing RFID waveform shape for reuse in individual channel Physics 24 Active
US7177182B2 Rewriteable electronic fuses Physics 23 Expired
US7417548B2 Adjusting RFID waveform shape in view of signal from an RFID tag Physics 23 Active
US7061324B2 Use of analog-valued floating-gate transistors for parallel and serial signal processing Electricity 22 Expired
US7436308B2 Adjusting RFID waveform shape in view of signal from another reader Physics 22 Active
US6826371B1 Variable rate DPSK system architecture Electricity 21 Expired
US7408466B2 Adjusting RFID waveform shape in view of detected RF energy Physics 21 Active
US7246751B2 RFID tags calibrating backscattering period also for non-integer divide ratios Physics 20 Expired
US7038603B2 Analog to digital converter using analog-valued floating-gate transistors Electricity 20 Expired

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