Alexandre Blais

This inventor holds 17 USPTO granted patents and 3 published patent applications, plus 4 CIPO patents, primarily in Quantum Computing. Top assignees: D-Wave Systems Inc., Socpra Sciences Et Genie S.e.c., Massachusetts Institute of Technology. Active years: 2003-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Alexandre Blais. Retrieved from https://idiyas.com/inventor/alexandre-blais

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

USPTO Granted Patents = 17 (Patent Applications = 3)

% Patents Active = 100.0

CIPO Patents = 4 (Patent Applications = 1)

Average Co-Inventor Count = 3.1

ph-index = 13

Forward Citations = 739(Granted Patents)

Location History:

New Haven, CT (US) (2005)
Sherbrooke, CA (2003 - 2023)

Company Filing History:

Socpra Sciences Et Genie S.e.c.

patents

2 out of 8,600

Massachusetts Institute of Technology

patents

4. 2 out of 533

University of Toronto

patents

5. 1 out of 1

Socpra Sciences Et Genie S.e.c., A/s Transfertech Sherbrooke

patent

where one patent can have more than one assignee

Years Active: 2003-2025

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Areas of Expertise:

Qubit Gates

Quantum Logic

Superconducting Architectures

Error Suppression

Quantum Processing

Coupling Strength

Quantum Readout

Phase-Shift Junction

Resonant Control

Quantum Bit

Quantum Device

17 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12333386 - Tunable interactions for implementing two-qubit gates, and extensible circuits built therefrom (2025-06-17),

2. 11615336 - Cancellation of unwanted interactions in a superconducting quantum architecture (2023-03-28),

3. 10635989 - Controlled-phase quantum logic gate (2020-04-28),

4. 10262276 - Quantum processor, and method of quantum processing (2019-04-16),

5. 10013657 - Periodical modulation of longitudinal coupling strength for quantum non-demolition qubit readout (2018-07-03),

6. 7332738 - Quantum phase-charge coupled device (2008-02-19),

7. 7307275 - Encoding and error suppression for superconducting quantum computers (2007-12-11),

8. 7018852 - Methods for single qubit gate teleportation (2006-03-28),

9. 6987282 - Quantum bit with a multi-terminal junction and loop with a phase shift (2006-01-17),

10. 6960780 - Resonant controlled qubit system (2005-11-01),

11. 6930320 - Resonant controlled qubit system (2005-08-16),

12. 6919579 - Quantum bit with a multi-terminal junction and loop with a phase shift (2005-07-19),

13. 6900456 - Resonant controlled qubit system (2005-05-31),

14. 6900454 - Resonant controlled qubit system (2005-05-31),

15. 6897468 - Resonant controlled qubit system (2005-05-24),

Title: Innovations by Inventor Alexandre Blais

Introduction

Alexandre Blais is a prominent inventor based in Sherbrooke, Canada. He has made significant contributions to the field of quantum computing, holding a total of 17 patents. His work focuses on developing advanced systems and methods for implementing two-qubit gates and enhancing quantum circuit architectures.

Latest Patents

Among his latest patents are "Tunable interactions for implementing two-qubit gates, and extensible circuits built therefrom" and "Cancellation of unwanted interactions in a superconducting quantum architecture." The first patent describes a system that provides two-qubit gates and quantum computing circuits. It involves pairs of qubits that are inductively or capacitively coupled using a coupler driven by an off-resonant microwave drive. This allows for precise control over the ZZ interaction between qubits, enabling fast, controlled-Z, two-qubit gates with high fidelity. The second patent introduces a quantum circuit called a 'qumon' designed to cancel unwanted ZZ interactions in superconducting qubit architectures. The qumon qubit features high coherence and positive anharmonicity, which can be tuned to counteract negative anharmonicity in coupled qubits.

Career Highlights

Alexandre Blais has worked with notable organizations such as D-Wave Systems Inc. and the University of Toronto. His expertise in quantum computing has positioned him as a leading figure in the development of innovative technologies in this rapidly evolving field.

Collaborations

He has collaborated with esteemed colleagues, including Jeremy P. Hilton and Alexandre M. Zagoskin, contributing to advancements in quantum technologies.

Conclusion

Alexandre Blais continues to push the boundaries of quantum computing through his innovative patents and collaborations. His work is instrumental in shaping the future of this transformative technology.

Profile summary based on public USPTO records.