Inventor · disambiguated record
Martin O. Sandberg
Also filed as: SANDBERG MARTIN · SANDBERG MARTIN O
47 granted patents·10 pending applications·72 citations·filing 2013–2024
97Inventor score
Top patents by PatentIndex Score
57 records- 0196US10586911B1Gradiometric parallel superconducting quantum interface deviceIBM·Filed 2018·Granted Mar 10, 2020·10 cites·25 claims
- 0296US10355193B2Flip chip integration on qubit chipsIBM·Filed 2017·Granted Jul 16, 2019·12 cites·20 claims
- 0395US10900998B1Contactless screening of a qubitIBM·Filed 2019·Granted Jan 26, 2021·4 cites·20 claims
- 0494US10573685B1Symmetrical qubits with reduced far-field radiationIBM·Filed 2018·Granted Feb 25, 2020·9 cites·25 claims
- 0591US10957737B2Symmetrical qubits with reduced far-field radiationIBM·Filed 2020·Granted Mar 23, 2021·3 cites·20 claims
- 0688US10840295B2Fluxonium qubits and devices including plurality of vertical stacks of Josephson junctionsIBM·Filed 2019·Granted Nov 17, 2020·3 cites·25 claims
- 0788US10665635B1Persistent flux biasing methodology for superconducting loopsIBM·Filed 2019·Granted May 26, 2020·5 cites·20 claims
- 0888US10644217B2Flip chip integration on qubit chipsIBM·Filed 2019·Granted May 5, 2020·3 cites·20 claims
- 0986US10833241B1Thermalization structure for cryogenic temperature devicesIBM·Filed 2019·Granted Nov 10, 2020·4 cites·25 claims
- 1084US11094873B2Transmon qubits with self defined junctionsIBM·Filed 2019·Granted Aug 17, 2021·2 cites·22 claims
- 1184US10347605B2System and method for routing signals in complex quantum systemsIBM·Filed 2017·Granted Jul 9, 2019·3 cites·11 claims
- 1280US11223005B2Gradiometric parallel superconducting quantum interface deviceIBM·Filed 2020·Granted Jan 11, 2022·1 cites·19 claims
- 1380US11189435B2Switch device facilitating frequency shift of a resonator in a quantum deviceIBM·Filed 2019·Granted Nov 30, 2021·2 cites·20 claims
- 1479US12414482B2Frequency tuning of multi-qubit systemsIBM·Filed 2024·Granted Sep 9, 2025·0 cites·20 claims
- 1579US10790432B2Cryogenic device with multiple transmission lines and microwave attenuatorsIBM·Filed 2018·Granted Sep 29, 2020·2 cites·22 claims
- 1678US11937516B2Fabrication of a flux bias line local heating deviceIBM·Filed 2020·Granted Mar 19, 2024·1 cites·20 claims
- 1777US11288587B2Modular, frequency-flexible, superconducting quantum processor architectureIBM·Filed 2019·Granted Mar 29, 2022·2 cites·22 claims
- 1876US10916690B2Electrical leads for trenched qubitsIBM·Filed 2018·Granted Feb 9, 2021·2 cites·8 claims
- 1976US2023333138A1Contactless screening of a qubitIBM·Filed 2023·Application pending·0 cites
- 2075US12232427B2Superconducting qubit capacitance and frequency of operation tuningIBM·Filed 2022·Granted Feb 18, 2025·0 cites·18 claims
- 2175US11586967B2System and method to control quantum states of microwave frequency qubits with optical signalsIBM·Filed 2019·Granted Feb 21, 2023·2 cites·22 claims
- 2274US10658340B2Signal routing in complex quantum systemsIBM·Filed 2019·Granted May 19, 2020·1 cites·13 claims
- 2374US2024365686A1Self assembled monolayer formed on a quantum deviceIBM·Filed 2024·Application pending·0 cites
- 2472US11805707B2Metal fluoride encapsulation of superconducting devicesIBM·Filed 2021·Granted Oct 31, 2023·0 cites·20 claims
- 2571US2023397506A1Spurious junction prevention via in-situ ion millingIBM·Filed 2023·Application pending·0 cites
- 2670US12001769B2Quantum computing device designIBM·Filed 2021·Granted Jun 4, 2024·0 cites·20 claims
- 2770US11726109B2Contactless screening of a qubitIBM·Filed 2020·Granted Aug 15, 2023·0 cites·15 claims
- 2869US11895931B2Frequency tuning of multi-qubit systemsIBM·Filed 2017·Granted Feb 6, 2024·1 cites·24 claims
- 2969US11552236B2Superconducting qubit capacitance and frequency of operation tuningIBM·Filed 2020·Granted Jan 10, 2023·0 cites·17 claims
- 3068US11581474B2Electrical leads for trenched qubitsIBM·Filed 2020·Granted Feb 14, 2023·0 cites·4 claims
- 3168US11568296B2Highway jumper to enable long range connectivity for superconducting quantum computer chipIBM·Filed 2019·Granted Jan 31, 2023·0 cites·24 claims
- 3268US11158782B2Metal fluoride encapsulation of superconducting devicesIBM·Filed 2019·Granted Oct 26, 2021·0 cites·20 claims
- 3366US11903328B2Self assembled monolayer formed on a quantum deviceIBM·Filed 2020·Granted Feb 13, 2024·0 cites·10 claims
- 3465US12499382B2Selective optical tuning of qubit two-level system interactions using bandpass filtersIBM·Filed 2022·Granted Dec 16, 2025·0 cites·22 claims
- 3565US12035641B2Josephson junction device fabricated by direct write ion implantationIBM·Filed 2021·Granted Jul 9, 2024·0 cites·20 claims
- 3663US12073288B2Compact resonator with shifted higher modes for quantum busesIBM·Filed 2020·Granted Aug 27, 2024·0 cites·22 claims
- 3763US11145801B2Adhesion layer to enhance encapsulation of superconducting devicesIBM·Filed 2019·Granted Oct 12, 2021·0 cites·25 claims
- 3862US10810505B2Removal of wirebonds in quantum hardwareIBM·Filed 2020·Granted Oct 20, 2020·0 cites·20 claims
- 3961US11765985B2Spurious junction prevention via in-situ ion millingIBM·Filed 2020·Granted Sep 19, 2023·0 cites·11 claims
- 4060US12022749B2Flux bias line local heating deviceIBM·Filed 2020·Granted Jun 25, 2024·0 cites·14 claims
- 4160US11289638B2Superconducting qubit lifetime and coherence improvement via backside etchingIBM·Filed 2020·Granted Mar 29, 2022·0 cites·25 claims
- 4258US2024127097A1Laser on-demand scrambling of two-level systems in superconducting qubitsIBM·Filed 2022·Application pending·0 cites
- 4358US2025318442A1Hybrid tuning of superconducting tunnel junction devicesIBM·Filed 2024·Application pending·0 cites
- 4458US2024127096A1Qubit-selective tuning of two-level system in superconducting qubits via optical controlIBM·Filed 2022·Application pending·0 cites
- 4557US2025117682A1High fidelity readout with two qubitsIBM·Filed 2023·Application pending·0 cites
- 4656US11004896B1System and method for non-invasive large-scale qubit device characterization techniqueIBM·Filed 2019·Granted May 11, 2021·0 cites·20 claims
- 4756US10713583B1Removal of wirebonds in quantum hardwareIBM·Filed 2019·Granted Jul 14, 2020·0 cites·9 claims
- 4855US12185644B2Quantum circuit with trench capacitorIBM·Filed 2021·Granted Dec 31, 2024·0 cites·25 claims
- 4954US11621387B2Quantum device with low surface lossesIBM·Filed 2021·Granted Apr 4, 2023·0 cites·21 claims
- 5054US11074382B2Quantum computing device designIBM·Filed 2018·Granted Jul 27, 2021·0 cites·25 claims
Showing the top 50 of 57 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →