Inventor
SANDBERG MARTIN O
US48 patents
Patents
48 patentsUS10586911B1Mar 10, 2020
Gradiometric parallel superconducting quantum interface device
IBM10 citations84
US10573685B1Feb 25, 2020
Symmetrical qubits with reduced far-field radiation
IBM9 citations84
US10355193B2Jul 16, 2019
Flip chip integration on qubit chips
IBM12 citations84
US11586967B2Feb 21, 2023
System and method to control quantum states of microwave frequency qubits with optical signals
IBM2 citations73
US11288587B2Mar 29, 2022
Modular, frequency-flexible, superconducting quantum processor architecture
IBM2 citations73
US11189435B2Nov 30, 2021
Switch device facilitating frequency shift of a resonator in a quantum device
IBM2 citations73
US10957737B2Mar 23, 2021
Symmetrical qubits with reduced far-field radiation
IBM3 citations73
US10916690B2Feb 9, 2021
Electrical leads for trenched qubits
IBM2 citations73
US10900998B1Jan 26, 2021
Contactless screening of a qubit
IBM4 citations73
US10840295B2Nov 17, 2020
Fluxonium qubits and devices including plurality of vertical stacks of Josephson junctions
IBM3 citations73
US10665635B1May 26, 2020
Persistent flux biasing methodology for superconducting loops
IBM5 citations73
US10644217B2May 5, 2020
Flip chip integration on qubit chips
IBM3 citations73
US10833241B1Nov 10, 2020
Thermalization structure for cryogenic temperature devices
IBM4 citations72
US10790432B2Sep 29, 2020
Cryogenic device with multiple transmission lines and microwave attenuators
IBM2 citations71
US10347605B2Jul 9, 2019
System and method for routing signals in complex quantum systems
IBM3 citations71
US11094873B2Aug 17, 2021
Transmon qubits with self defined junctions
IBM2 citations69
US12499382B2Dec 16, 2025
Selective optical tuning of qubit two-level system interactions using bandpass filters
IBM0 citations62
US12414482B2Sep 9, 2025
Frequency tuning of multi-qubit systems
IBM0 citations62
US12232427B2Feb 18, 2025
Superconducting qubit capacitance and frequency of operation tuning
IBM0 citations62
US12073288B2Aug 27, 2024
Compact resonator with shifted higher modes for quantum buses
IBM0 citations62
US12022749B2Jun 25, 2024
Flux bias line local heating device
IBM0 citations62
US12001769B2Jun 4, 2024
Quantum computing device design
IBM0 citations62
US11937516B2Mar 19, 2024
Fabrication of a flux bias line local heating device
IBM1 citations62
US11903328B2Feb 13, 2024
Self assembled monolayer formed on a quantum device
IBM0 citations62
US11895931B2Feb 6, 2024
Frequency tuning of multi-qubit systems
IBM1 citations62
US11805707B2Oct 31, 2023
Metal fluoride encapsulation of superconducting devices
IBM0 citations62
US11726109B2Aug 15, 2023
Contactless screening of a qubit
IBM0 citations62
US11581474B2Feb 14, 2023
Electrical leads for trenched qubits
IBM0 citations62
US11568296B2Jan 31, 2023
Highway jumper to enable long range connectivity for superconducting quantum computer chip
IBM0 citations62
US11552236B2Jan 10, 2023
Superconducting qubit capacitance and frequency of operation tuning
IBM0 citations62
US11289637B2Mar 29, 2022
Transmon qubits with trenched capacitor structures
IBM0 citations62
US11223005B2Jan 11, 2022
Gradiometric parallel superconducting quantum interface device
IBM1 citations62
US11158782B2Oct 26, 2021
Metal fluoride encapsulation of superconducting devices
IBM0 citations62
US11145801B2Oct 12, 2021
Adhesion layer to enhance encapsulation of superconducting devices
IBM0 citations62
US11074382B2Jul 27, 2021
Quantum computing device design
IBM0 citations62
US11004896B1May 11, 2021
System and method for non-invasive large-scale qubit device characterization technique
IBM0 citations62
US12048254B2Jul 23, 2024
Sacrificial material facilitating protection of a substrate in a qubit device
IBM0 citations61
US12035641B2Jul 9, 2024
Josephson junction device fabricated by direct write ion implantation
IBM0 citations61
US11289638B2Mar 29, 2022
Superconducting qubit lifetime and coherence improvement via backside etching
IBM0 citations61
US10658340B2May 19, 2020
Signal routing in complex quantum systems
IBM1 citations60
US12185644B2Dec 31, 2024
Quantum circuit with trench capacitor
IBM0 citations59
US11621387B2Apr 4, 2023
Quantum device with low surface losses
IBM0 citations59
US12550761B2Feb 10, 2026
Highway jumper to enable long range connectivity for superconducting quantum computer chip
IBM0 citations58
US10657212B2May 19, 2020
Application- or algorithm-specific quantum circuit design
IBM0 citations52
US11765985B2Sep 19, 2023
Spurious junction prevention via in-situ ion milling
IBM0 citations50
US10810505B2Oct 20, 2020
Removal of wirebonds in quantum hardware
IBM0 citations47
US10713583B1Jul 14, 2020
Removal of wirebonds in quantum hardware
IBM0 citations47
US11121304B2Sep 14, 2021
Junction fabrication method for forming qubits
IBM0 citations45