Inventor
FERRISS MARK A
US22 patents
⚠️ This page may combine multiple inventors who share the name “FERRISS MARK A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
19 patentsUS9401696B1Jul 26, 2016
Boosting varactor capacitance ratio
IBM8 citations84
US9325332B2Apr 26, 2016
Adjusting the magnitude of a capacitance of a digitally controlled circuit
IBM9 citations84
US9231605B2Jan 5, 2016
Removing deterministic phase errors from fractional-N PLLS
IBM5 citations84
US9225348B2Dec 29, 2015
Prediction based digital control for fractional-N PLLs
IBM9 citations84
US9837959B2Dec 5, 2017
Adjusting the magnitude of a capacitance of a digitally controlled circuit
IBM3 citations73
US9735732B1Aug 15, 2017
Coupled oscillators
IBM5 citations73
US10153727B2Dec 11, 2018
Transformer based shielded oscillator
IBM4 citations71
US9954486B2Apr 24, 2018
Adjusting the magnitude of a capacitance of a digitally controlled circuit
IBM1 citations63
US9948236B2Apr 17, 2018
Resonator having distributed transconductance elements
IBM1 citations63
US9300246B2Mar 29, 2016
Resonator having distributed transconductance elements
IBM2 citations63
US10554233B2Feb 4, 2020
Reconfigurable radar transmitter
IBM1 citations62
US10693507B2Jun 23, 2020
Reconfigurable radar transmitter
IBM0 citations52
US10367513B2Jul 30, 2019
Suppression of noise up-conversion mechanisms in LC oscillators
IBM0 citations52
US10211779B2Feb 19, 2019
Boosting varactor capacitance ratio
IBM0 citations52
US9998073B2Jun 12, 2018
Forming a frequency control component with a target effective capacitance range
IBM0 citations52
US9948235B2Apr 17, 2018
Resonator having distributed transconductance elements
IBM0 citations52
US9337852B2May 10, 2016
Removing deterministic phase errors from fractional-N PLLs
IBM0 citations52
US10749469B2Aug 18, 2020
Transformer based shielded oscillator
IBM0 citations51
US8629701B2Jan 14, 2014
PLL bandwidth correction with offset compensation
IBM0 citations50