For the Inventor, By the Inventor

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Montreal, Canada

Hydro-Quebec

USPTO Granted Patents = 466

% Expired Patents = 13.3

CIPO Patents = 84

EPO Patents = 93

Trademarks = 8

Forward Citations = 5,328

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572 inventors (with patents filed for the assignee):

Karim Zaghib (112 out of 119 patents)

Abdelbast Guerfi (75 out of 76 patents)

Michel Gauthier (46 out of 81 patents)

4. Michel Bernard Armand (40 out of 67 patents)

5. Michel Armand (36 out of 72 patents)

6. Pierre Couture (32 out of 113 patents)

7. Patrick Charest (27 out of 28 patents)

8. Jean-Christophe Daigle (22 out of 23 patents)

9. Fernand Brochu (19 out of 19 patents)

10. Christophe Michot (18 out of 58 patents)

11. Robert Schulz (18 out of 22 patents)

12. Bruno Francoeur (17 out of 18 patents)

13. Jean-Yves Sanchez (17 out of 32 patents)

14. Michel Duval (15 out of 15 patents)

15. Michel Perrier (14 out of 16 patents)

Core Competencies:

Electrode Materials

Electrolytes

Lithium-Ion Batteries

Electrochemical Cells

Additives

Polymers

Sulfur-Containing Compounds

Cellulose-Based Films

Nanoparticles

Battery Safety

Sodium-Ion Batteries

Hydrogen Storage

466 patents: Sort by Forward Citations

1. 12706324 - Additives for electrolyte and cathode material in Li-ion batteries comprising metal-based cathode material which produces Mmetal ions (2026-08-11),

2. 12671074 - Processes for the alkaliation or re-alkaliation of an electrode active material (2026-06-30),

3. 12649375 - Bidirectional charging system for electric vehicle (2026-06-09),

4. 12614756 - Additives for electrolytes in Li-ion batteries (2026-04-28),

5. 12603299 - Cellulose-based self-standing films for use in Li-ion batteries (2026-04-14),

6. 12540207 - Glycidyl-containing polymers, polymer compositions comprising them and their use in electrochemical cells (2026-02-03),

7. 12519110 - Protective material for a lithium metal anode: method for its preparation and use (2026-01-06),

8. 12469650 - Ionic plastic crystals, compositions comprising same, methods for manufacturing same and uses thereof (2025-11-11),

9. 12444768 - Inorganic compounds having an argyrodite-type structure, their preparation processes and their uses in electrochemical applications (2025-10-14),

10. 12431499 - Sulfur-containing compounds and polymers and the use thereof in electrochemical cells (2025-09-30),

11. 12418190 - System for cycling battery cells with pressure regulation (2025-09-16),

12. 12368168 - Method of producing electrode material for lithium-ion secondary battery and lithium-ion battery using such electrode material (2025-07-22),

13. 12322801 - -type compounds: method for their preparation and use in cathode materials for sodium-ion batteries (2025-06-03),

14. 12298163 - Electronic heat balance flow meter (2025-05-13),

15. 12272820 - Electrode materials comprising a layered sodium metal oxide, electrodes comprising them and their use in electrochemistry (2025-04-08),

Company Overview

Hydro-Quebec, headquartered in Montreal, Canada, is a leader in the development and innovation of lithium-ion battery technologies. The company specializes in various core technology areas, including electrode materials, electrolytes, and electrochemical cells, focusing on enhancing energy storage solutions. Hydro-Quebec is committed to advancing sustainable energy practices through research in additives, polymers, and sulfur-containing compounds, as well as cellulose-based films, positioning itself at the forefront of the energy transition.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

466 Patents

#4 in Montreal

#22 in Canada

#2,050 in the World

Montreal, Canada

Hydro-Quebec

Forward Citations = 5,328

572 inventors:

Karim Zaghib (112 out of 119 patents)

Abdelbast Guerfi (75 out of 76 patents)

Michel Gauthier (46 out of 81 patents)

4. Michel Bernard Armand (40 out of 67 patents)

5. Michel Armand (36 out of 72 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hydro-Quebec. Retrieved from https://idiyas.com/company/hydro-quebec

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

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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