Inventor
STEFFEN MATTHIAS
US33 patents
⚠️ This page may combine multiple inventors who share the name “STEFFEN MATTHIAS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
20 patentsUS7932514B2Apr 26, 2011
Microwave readout for flux-biased qubits
IBM57 citations97
US9219298B2Dec 22, 2015
Removal of spurious microwave modes via flip-chip crossover
IBM14 citations92
US8872360B2Oct 28, 2014
Multiple-qubit wave-activated controlled gate
IBM30 citations91
US11223347B1Jan 11, 2022
All microwave ZZ control
IBM8 citations85
US10622536B2Apr 14, 2020
Reducing qubit frequency collisions through lattice design
IBM11 citations85
US9455392B2Sep 27, 2016
Method of fabricating a coplanar waveguide device including removal of spurious microwave modes via flip-chip crossover
IBM12 citations84
US9344092B2May 17, 2016
Tunable superconducting notch filter
IBM12 citations83
US9432024B2Aug 30, 2016
Multiple-qubit wave-activated controlled gate
IBM8 citations82
US11586448B2Feb 21, 2023
Qubit reset from excited states
IBM2 citations73
US9531055B2Dec 27, 2016
Removal of spurious microwave modes via flip-chip crossover
IBM4 citations73
US10546994B1Jan 28, 2020
Architecture for coupling quantum bits using localized resonators
IBM4 citations72
US10211386B2Feb 19, 2019
Architecture for coupling quantum bits using localized resonators
IBM1 citations72
US9985193B2May 29, 2018
Architecture for coupling quantum bits using localized resonators
IBM3 citations72
US9729152B2Aug 8, 2017
Reducing spontaneous emission in circuit quantum electrodynamics by a combined readout and filter technique
IBM3 citations72
US9438245B2Sep 6, 2016
Reducing spontaneous emission in circuit quantum electrodynamics by a combined readout and filter technique
IBM3 citations72
US11727297B2Aug 15, 2023
Tunable quantum coupler facilitating a quantum gate between qubits
IBM2 citations68
US12137619B2Nov 5, 2024
Reducing qubit frequency collisions through lattice design
IBM0 citations62
US11165009B2Nov 2, 2021
Reducing qubit frequency collisions through lattice design
IBM0 citations62
US10529909B2Jan 7, 2020
Architecture for coupling quantum bits using localized resonators
IBM0 citations51
US10283696B2May 7, 2019
Architecture for coupling quantum bits using localized resonators
IBM0 citations51
OTIS ELEVATOR CO
3 patentsUS5072820ADec 17, 1991
Escalator handrail stop device
OTIS ELEVATOR CO36 citations92
US5096040AMar 17, 1992
Detection of missing steps in an escalator or moving walk
OTIS ELEVATOR CO20 citations81
US7614490B2Nov 10, 2009
Passenger conveyor handrail having a gripping surface with a generally circular cross-section
OTIS ELEVATOR CO4 citations59