Inventor
FRANS YOHAN
US49 patents
⚠️ This page may combine multiple inventors who share the name “FRANS YOHAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
XILINX INC
33 patentsUS11107770B1Aug 31, 2021
Integrated electrical/optical interface with two-tiered packaging
XILINX INC70 citations97
US11769710B2Sep 26, 2023
Heterogeneous integration module comprising thermal management apparatus
XILINX INC25 citations94
US9960902B1May 1, 2018
Temporal change in data-crossing clock phase difference to resolve meta-stability in a clock and data recovery circuit
XILINX INC53 citations93
US9882703B1Jan 30, 2018
Resolving meta-stability in a clock and data recovery circuit
XILINX INC21 citations93
US11005572B1May 11, 2021
Temperature-locked loop for optical elements having a temperature-dependent response
XILINX INC23 citations92
US10598852B1Mar 24, 2020
Digital-to-analog converter (DAC)-based driver for optical modulators
XILINX INC24 citations92
US9887710B1Feb 6, 2018
Impedance and swing control for voltage-mode driver
XILINX INC19 citations92
US9209960B1Dec 8, 2015
Fast locking CDR for burst mode
XILINX INC27 citations92
US10651933B1May 12, 2020
Thermal calibration of a ring modulator
XILINX INC34 citations90
US10868663B1Dec 15, 2020
Flexible wide-range and high bandwidth auxiliary clock and data recovery (CDR) circuit for transceivers
XILINX INC18 citations85
US10348290B1Jul 9, 2019
System and method for transmitter
XILINX INC9 citations84
US10256968B1Apr 9, 2019
Systems and methods for clock and data recovery
XILINX INC10 citations84
US9413524B1Aug 9, 2016
Dynamic gain clock data recovery in a receiver
XILINX INC13 citations84
US9379880B1Jun 28, 2016
Clock recovery circuit
XILINX INC13 citations84
US9356775B1May 31, 2016
Clock data recovery (CDR) phase walk scheme in a phase-interpolater-based transceiver system
XILINX INC9 citations84
US10712770B1Jul 14, 2020
Clock phase aligner for high speed data serializers
XILINX INC16 citations83
US10680592B2Jun 9, 2020
Quadrature clock correction circuit for transmitters
XILINX INC11 citations83
US10530375B1Jan 7, 2020
High speed frequency divider
XILINX INC9 citations83
US9602082B2Mar 21, 2017
Offset insensitive quadrature clock error correction and duty cycle calibration for high-speed clocking
XILINX INC11 citations83
US11038768B1Jun 15, 2021
Method and system for correlation of a behavioral model to a circuit realization for a communications system
XILINX INC8 citations79
US8884804B1Nov 11, 2014
Time-to-digital conversion
XILINX INC9 citations79
US10749532B1Aug 18, 2020
Method and apparatus for a phase locked loop circuit
XILINX INC6 citations73
US10367666B2Jul 30, 2019
ADC based receiver
XILINX INC6 citations73
US9960844B1May 1, 2018
Electrically testing an optical receiver
XILINX INC6 citations73
US11043470B2Jun 22, 2021
Inductor design in active 3D stacking technology
XILINX INC6 citations72
US10404445B1Sep 3, 2019
Data receiver circuit and method of receiving data
XILINX INC2 citations72
US10033412B2Jul 24, 2018
Impedance and swing control for voltage-mode driver
XILINX INC4 citations71
US11245554B1Feb 8, 2022
Frequency detector for clock data recovery
XILINX INC4 citations70
US10812089B2Oct 20, 2020
Apparatus and method to reduce lock time via frequency band calibration
XILINX INC1 citations61
US12063129B2Aug 13, 2024
Frequency detector for clock data recovery
XILINX INC0 citations60
US12072239B1Aug 27, 2024
Circuits and methods for wavelength locking of optical receiver WDM filters
XILINX INC0 citations58
US12451972B2Oct 21, 2025
Methods and apparatuses for wavelength locking for optical wavelength division multiplexed micro-ring modulators
XILINX INC0 citations50
US12425107B2Sep 23, 2025
Methods and apparatuses for maximizing output modulation amplitude for optical wavelength division multiplexed micro-ring modulators
XILINX INC0 citations50
RAMBUS INC
15 patentsUS7248086B2Jul 24, 2007
Leakage compensation for capacitors in loop filters
RAMBUS INC17 citations92
US6963232B2Nov 8, 2005
Compensator for leakage through loop filter capacitors in phase-locked loops
RAMBUS INC37 citations92
US6879195B2Apr 12, 2005
PLL lock detection circuit using edge detection
RAMBUS INC22 citations92
US7668271B2Feb 23, 2010
Clock-data recovery (“CDR”) circuit, apparatus and method for variable frequency data
RAMBUS INC31 citations91
US9230609B2Jan 5, 2016
Memory bandwidth aggregation using simultaneous access of stacked semiconductor memory die
RAMBUS INC7 citations84
US9515204B2Dec 6, 2016
Synchronous wired-or ACK status for memory with variable write latency
RAMBUS INC7 citations80
US11651801B2May 16, 2023
Memory bandwidth aggregation using simultaneous access of stacked semiconductor memory die
RAMBUS INC1 citations73
US7084681B2Aug 1, 2006
PLL lock detection circuit using edge detection and a state machine
RAMBUS INC7 citations73
US12131796B2Oct 29, 2024
Memory bandwidth aggregation using simultaneous access of stacked semiconductor memory die
RAMBUS INC0 citations62
US11973153B2Apr 30, 2024
Synchronous wired-or ACK status for memory with variable write latency
RAMBUS INC0 citations62
US11101393B2Aug 24, 2021
Synchronous wired-OR ACK status for memory with variable write latency
RAMBUS INC0 citations62
US10885949B2Jan 5, 2021
Memory bandwidth aggregation using simultaneous access of stacked semiconductor memory die
RAMBUS INC0 citations62
US10453500B2Oct 22, 2019
Memory bandwidth aggregation using simultaneous access of stacked semiconductor memory die
RAMBUS INC0 citations52
US9916877B2Mar 13, 2018
Memory bandwidth aggregation using simultaneous access of stacked semiconductor memory die
RAMBUS INC0 citations52
US10468544B2Nov 5, 2019
Synchronous wired-OR ACK status for memory with variable write latency
RAMBUS INC0 citations51