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Châtenay-Malabry, France

Societe Francaise De Detecteurs Infrarouges-Sofradir

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USPTO Granted Patents = 42

% Expired Patents = 19.0

EPO Patents = 18

Trademarks = 1

Forward Citations = 85

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42 inventors (with patents filed for the assignee):

Eric Sanson (7 out of 11 patents)

Laurent Rubaldo (4 out of 6 patents)

Gilbert Decaens (3 out of 4 patents)

4. Pierre Cassaigne (3 out of 3 patents)

5. Alexis Lenain (3 out of 3 patents)

6. Sébastien Gravier (3 out of 6 patents)

7. Patrick Maillart (3 out of 3 patents)

8. Nicolas Ricard (3 out of 5 patents)

9. Georges Kapelski (2 out of 5 patents)

10. Laurent Baud (2 out of 2 patents)

11. Alexandre Maltere (2 out of 2 patents)

12. Sylvain Paltrier (2 out of 6 patents)

13. Michel Zecri (2 out of 6 patents)

14. Bernard Pitault (2 out of 2 patents)

15. André Salaville (2 out of 2 patents)

Core Competencies:

Electromagnetic Radiation

Photodetector

Low Noise Circuit

Detection Device

Infrared Radiation

Semiconductor Material

Cooling Device

Detection Array

Analog-to-Digital Converter

Noise Reducing Module

Flexible Printed Circuit

42 patents: Sort by Forward Citations

1. 10458842 - Low flux and low noise detection circuit (2019-10-29),

2. 10439082 - Photodetector with reduced dark current (2019-10-08),

3. 10429242 - Multispectral detection device (2019-10-01),

4. 10396813 - Successive approximation analog-to-digital converter (2019-08-27),

5. 10222267 - Detection device comprising an improved cold finger (2019-03-05),

6. 10168206 - Cooling device comprising an improved cold finger (2019-01-01),

7. 10161800 - Cooled detecting device (2018-12-25),

8. 10072978 - Light-ray detection circuit (2018-09-11),

9. 10064265 - Flexible printed circuit having a low emissivity (2018-08-28),

10. 9922933 - Method of positioning elements, particularly optical elements, on the back side of a hybridized-type infrared detector (2018-03-20),

11. 9784612 - Device for detecting electromagnetic radiation (2017-10-10),

12. 9719187 - Method for producing the growth of a semiconductor material (2017-08-01),

13. 9520844 - Electromagnetic radiation detection circuit for pulse detection including an amplifying transistor and a coupling capacitor (2016-12-13),

14. 9464939 - Detection device comprising an improved cold finger (2016-10-11),

15. 9389119 - Compact detection array having improved polarization conditions (2016-07-12),

Company Overview

Société Française de Détecteurs Infrarouges, known as Sofradir, specializes in advanced infrared detection technologies. Based in Châtenay-Malabry, France, the company focuses on developing high-performance photodetectors for applications in defense, aerospace, and industrial sectors. Sofradir's expertise encompasses low flux detection, multispectral detection, and noise reduction circuits, alongside innovations in cooling devices and analog-to-digital conversion. The firm is recognized for its commitment to enhancing electromagnetic and infrared radiation detection capabilities.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

42 Patents

#1 in Châtenay-Malabry

#551 in France

#16,374 in the World

Châtenay-Malabry, France

Societe Francaise De Detecteurs Infrarouges-Sofradir

Forward Citations = 85

42 inventors:

Eric Sanson (7 out of 11 patents)

Laurent Rubaldo (4 out of 6 patents)

Gilbert Decaens (3 out of 4 patents)

4. Pierre Cassaigne (3 out of 3 patents)

5. Alexis Lenain (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Societe Francaise De Detecteurs Infrarouges-Sofradir. Retrieved from https://idiyas.com/company/societe-francaise-de-detecteurs-infrarouges-sofradir

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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