Inventor · disambiguated record
Matthias Steffen
Also filed as: STEFFEN MATTHIAS
29 granted patents·2 pending applications·387 citations·filing 2008–2023
97Inventor score
Top patents by PatentIndex Score
31 records- 0196US11223347B1All microwave ZZ controlIBM·Filed 2020·Granted Jan 11, 2022·8 cites·24 claims
- 0295US10622536B2Reducing qubit frequency collisions through lattice designIBM·Filed 2018·Granted Apr 14, 2020·11 cites·24 claims
- 0395US9455392B2Method of fabricating a coplanar waveguide device including removal of spurious microwave modes via flip-chip crossoverIBM·Filed 2015·Granted Sep 27, 2016·12 cites·3 claims
- 0495US9219298B2Removal of spurious microwave modes via flip-chip crossoverIBM·Filed 2013·Granted Dec 22, 2015·14 cites·9 claims
- 0595US8975912B2Multi-tunable superconducting circuitsCHOW JERRY M·Filed 2012·Granted Mar 10, 2015·22 cites·20 claims
- 0695US8642998B2Array of quantum systems in a cavity for quantum computingGAMBETTA JAY M·Filed 2011·Granted Feb 4, 2014·48 cites·25 claims
- 0794US9059674B2Multi-tunable superconducting circuitsCHOW JERRY M·Filed 2012·Granted Jun 16, 2015·19 cites·19 claims
- 0893US7932514B2Microwave readout for flux-biased qubitsIBM·Filed 2008·Granted Apr 26, 2011·57 cites·16 claims
- 0992US9344092B2Tunable superconducting notch filterIBM·Filed 2014·Granted May 17, 2016·12 cites·20 claims
- 1091US9379303B2Modular array of fixed-coupling quantum systems for quantum information processingGAMBETTA JAY M·Filed 2011·Granted Jun 28, 2016·27 cites·14 claims
- 1191US8872360B2Multiple-qubit wave-activated controlled gateIBM·Filed 2013·Granted Oct 28, 2014·30 cites·16 claims
- 1290US9432024B2Multiple-qubit wave-activated controlled gateIBM·Filed 2014·Granted Aug 30, 2016·8 cites·8 claims
- 1390US8954125B2Low-loss superconducting devicesCORCOLES GONZALEZ ANTONIO D·Filed 2011·Granted Feb 10, 2015·38 cites·20 claims
- 1490US8841764B2Superconducting quantum circuit having a resonant cavity thermalized with metal componentsPOLETTO STEFANO·Filed 2012·Granted Sep 23, 2014·25 cites·23 claims
- 1588US10546994B1Architecture for coupling quantum bits using localized resonatorsIBM·Filed 2018·Granted Jan 28, 2020·4 cites·20 claims
- 1687US9531055B2Removal of spurious microwave modes via flip-chip crossoverIBM·Filed 2015·Granted Dec 27, 2016·4 cites·11 claims
- 1786US11586448B2Qubit reset from excited statesIBM·Filed 2020·Granted Feb 21, 2023·2 cites·20 claims
- 1884US11727297B2Tunable quantum coupler facilitating a quantum gate between qubitsIBM·Filed 2020·Granted Aug 15, 2023·2 cites·17 claims
- 1982US8294138B2Microwave readout for flux-biased qubitsFARINELLI MATTHEW J·Filed 2011·Granted Oct 23, 2012·15 cites·12 claims
- 2080US9729152B2Reducing spontaneous emission in circuit quantum electrodynamics by a combined readout and filter techniqueIBM·Filed 2016·Granted Aug 8, 2017·3 cites·20 claims
- 2180US8117000B2Measuring quantum states of superconducting resonatorsDIVINCENZO DAVID·Filed 2009·Granted Feb 14, 2012·10 cites·19 claims
- 2277US9985193B2Architecture for coupling quantum bits using localized resonatorsIBM·Filed 2015·Granted May 29, 2018·3 cites·19 claims
- 2376US8188752B2Yield improvement for Josephson junction test device formationKETCHEN MARK B·Filed 2009·Granted May 29, 2012·9 cites·20 claims
- 2474US9438245B2Reducing spontaneous emission in circuit quantum electrodynamics by a combined readout and filter techniqueIBM·Filed 2014·Granted Sep 6, 2016·3 cites·25 claims
- 2573US12137619B2Reducing qubit frequency collisions through lattice designIBM·Filed 2021·Granted Nov 5, 2024·0 cites·23 claims
- 2669US10211386B2Architecture for coupling quantum bits using localized resonatorsIBM·Filed 2018·Granted Feb 19, 2019·1 cites·20 claims
- 2769US2023351232A1Tunable quantum coupler facilitating a quantum gate between qubitsIBM·Filed 2023·Application pending·0 cites
- 2867US11165009B2Reducing qubit frequency collisions through lattice designIBM·Filed 2020·Granted Nov 2, 2021·0 cites·18 claims
- 2955US10529909B2Architecture for coupling quantum bits using localized resonatorsIBM·Filed 2018·Granted Jan 7, 2020·0 cites·20 claims
- 3052US10283696B2Architecture for coupling quantum bits using localized resonatorsIBM·Filed 2015·Granted May 7, 2019·0 cites·6 claims
- 3147US2012326720A1Modular array of fixed-coupling quantum systems for quantum information processingGAMBETTA JAY M·Filed 2012·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Matthias Steffen files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →