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For the Inventor, By the Inventor

Paris, France

Centre National Detudes Spatiales

Calculating rank
USPTO Granted Patents = 316

% Expired Patents = 18.7



Trademarks = 4

Forward Citations = 1,950

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495 inventors (with patents filed for the assignee):

goldMedal Lionel Ries (22 out of 23 patents)

silverMedal François-Xavier Marmet (20 out of 20 patents)

bronzeMedal Romain Desplats (16 out of 23 patents)

4.  Denis Laurichesse (12 out of 12 patents)

5.  Patrick Dumon (10 out of 10 patents)

6.  Nicolas Capet (9 out of 10 patents)

7.  Robert Regipa (9 out of 10 patents)

8.  Jacques Sombrin (6 out of 6 patents)

9.  Denis Schwander (6 out of 6 patents)

10.  Jean-Luc Issler (6 out of 7 patents)

11.  Patrick Willmann (6 out of 6 patents)

12.  Philippe Perdu (6 out of 13 patents)

13.  Paul A Duchon (6 out of 6 patents)

14.  Serge Verdeyme (5 out of 8 patents)

15.  Denis Payan (5 out of 5 patents)


Core Competencies:
GNSS Receiver
Multipath Management
Positioning System
Telecommunications Satellite
Radiofrequency Antenna
LIDAR Detection
Microwave Waveguide
Optical Aberrations
Spectroscopy Device
Solar Panel
Dosimeter
Additive Manufacturing

316 patents:

1. 12719176 - Quasi-optical beamformer comprising two reflectors (2026-08-25),
2. 12717562 - Computer-implemented method for automatically determining a target architecture (2026-08-25),
3. 12661630 - Sapphire microreactors (2026-06-23),
4. 12650306 - Generator for generating an anti-Kerr-effect modulated light signal, interferometry measuring device comprising such a generator, and method for modulating a light signal (2026-06-09),
5. 12631451 - Method for reducing the Kerr effect in an interferometry measuring device, and interferometry measuring device configured to implement this method (2026-05-19),
6. 12607757 - Fiber optic dosimeter for space environment and dosimetry process (2026-04-21),
7. 12424758 - Radiofrequency antenna for a satellite (2025-09-23),
8. 12347063 - Method for performing non-local demosaicing of an image, and associated device (2025-07-01),
9. 12338846 - Reusable, low-shock hold and release device (2025-06-24),
10. 12311441 - Method for manufacturing a multi-material part by additive manufacturing, using the technique of powder bed selective laser melting or selective laser sintering (2025-05-27),
11. 12133001 - Method for constructing a high-resolution merged signal or image from a low-resolution plurality of signals or a low-resolution plurality of images (2024-10-29),
12. 12044543 - Dynamic StreetView with view images enhancement (2024-07-23),
13. 11993402 - Ion propulsion device (2024-05-28),
14. 11959953 - Device for revealing spatial variations in the polarisation of electromagnetic radiation (2024-04-16),
15. 11885787 - Method and device for measuring atmospheric parameters to estimate the quality of the air and the climate variables (2024-01-30),
Company Overview
The Centre National d'Études Spatiales (CNES) is France's national space agency, headquartered in Paris. It specializes in satellite navigation technologies, focusing on the development of GNSS receivers and advanced positioning systems. CNES is at the forefront of research in telecommunications satellites, radiofrequency antennas, and LIDAR detection, contributing significantly to the fields of aerospace and space exploration. The agency plays a crucial role in enhancing France's capabilities in satellite technology and its applications across various sectors.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

316 Patents

#28 in Paris

#81 in France

#2,850 in the World

Paris, FR
Paris, France

Centre National Detudes Spatiales

Forward Citations = 1,950

495 inventors:

goldMedal Lionel Ries (22 out of 23 patents)

silverMedal François-Xavier Marmet (20 out of 20 patents)

bronzeMedal Romain Desplats (16 out of 23 patents)

4.  Denis Laurichesse (12 out of 12 patents)

5.  Patrick Dumon (10 out of 10 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Centre National Detudes Spatiales. Retrieved from https://idiyas.com/company/centre-national-detudes-spatiales

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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