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Châtenay-Malabry, France

Societe Francaise De Detecteurs Infrarouges-Sofradir

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),

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 based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

Societe Francaise De Detecteurs Infrarouges-Sofradir

42 Patents

#1 in Châtenay-Malabry

#551 in France

#16,326 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)

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