Inventor · Westford, MA, US

Andrew Thomas

27Patents
3h-index
12Co-inventors
56Inventor score

Filing activity: Oct 9, 2008 → Jun 6, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US7907074B2 Circuits and methods to reduce or eliminate signal-dependent modulation of a reference bias Electricity 18 Active
US8319545B2 Charge pump with reduced current variation Electricity 5 Active
US8018370B2 Time-multiplexed residue amplifier Electricity 3 Active
US11545996B1 Low-noise, high-accuracy single-ended input stage for continuous-time sigma delta (CTSD) analog-to-digital converter (ADC) Electricity 2 Active
US10447291B1 High dynamic range analog-to-digital converter Electricity 2 Active
US8712716B2 Circuitry for measuring and compensating phase and amplitude differences in NDT/NDI operation Physics 2 Active
US11177821B1 Analog-to-digital converter with auto-zeroing residue amplification circuit Electricity 2 Active
US9197235B2 Suppressing dielectric absorption effects in sample-and-hold systems Electricity 2 Active
US9063174B2 Hall effect measurement instrument with temperature compensation Physics 1 Active
US11545991B2 Analog-to-digital converter with auto-zeroing residue amplification circuit Electricity 1 Active
US9007053B2 Circuitry for and a method of compensating drift in resistance in eddy current probes Physics 1 Active
US8829763B2 Apparatus for and a method of improved timing control for non-destructive testing and inspection Electricity 1 Active
US12323109B2 Low-headroom dynamic base current cancellation techniques Electricity 0 Active
US9726640B2 Circuit and method of providing a stable display for eddy current instruments Physics 0 Active
US11359918B2 Ultrasonic testing with single shot processing Physics 0 Active
US9292035B2 Packet based DDS minimizing mathematical and DAC noise Physics 0 Active
US9350985B2 Method and circuitry for removing circling drifts in NDT/NDI measurement display Physics 0 Active
US11754599B2 Precision dynamic range expansion for current measurement Electricity 0 Active
US11996855B2 Resistor DAC gain correction Electricity 0 Active
US9453823B2 Apparatus for and a method of improved timing control for non-destructive testing and inspection Electricity 0 Active
US11711073B1 Buffer cascade Electricity 0 Active
US12388460B2 Subranging ADC buffer cascade Electricity 0 Active
US8156813B2 High dynamic range NDT/NDI inspection device with selective noise averaging Electricity 0 Active
US7916057B2 Complex-admittance digital-to-analog converter Electricity 0 Active
US9297865B2 Hall effect measurement instrument with temperature compensation Physics 0 Active

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