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Cambridge, United Kingdom

Cambridge Semiconductor Limited

USPTO Granted Patents = 50

% Expired Patents = 74.0

EPO Patents = 2

Forward Citations = 574

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27 inventors (with patents filed for the assignee):

Florin Udrea (23 out of 118 patents)

David Michael Garner (18 out of 21 patents)

Vinod A Lalithambika (12 out of 13 patents)

4. David Robert Coulson (11 out of 15 patents)

5. Gehan A J Amaratunga (9 out of 11 patents)

6. Johan Piper (8 out of 12 patents)

7. Russell Jacques (8 out of 12 patents)

8. Paul Thomas Ryan (6 out of 21 patents)

9. Nishad Udugampola (6 out of 7 patents)

10. Tanya Trajkovic (5 out of 7 patents)

11. Vasantha Pathirana (5 out of 6 patents)

12. Gehan Anil Joseph Amaratunga (4 out of 25 patents)

13. Devarahandi Indika Mahesh De Silva (4 out of 4 patents)

14. Catriona McKay (3 out of 3 patents)

15. David Vail (2 out of 2 patents)

Core Competencies:

Power Semiconductor Devices

Lateral Insulated Gate Bipolar Transistors

Switch Mode Power Supply

Power Converters

Feedback Signal Decay Sensing

Noise Reduction Systems

Bipolar Transistor Drivers

Forward Power Converter Controllers

Trimming Circuits

Saturation Detection Circuits

MOS-Controllable Devices

Lateral SOI Semiconductor

50 patents: Sort by Forward Citations

1. 8866252 - Power semiconductor devices and fabrication methods (2014-10-21),

2. 8482031 - Lateral insulated gate bipolar transistors (LIGBTS) (2013-07-09),

3. 8446746 - Switch mode power supply controller with feedback signal decay sensing (2013-05-21),

4. 8415832 - Cable compensation (2013-04-09),

5. 8415712 - Lateral insulated gate bipolar transistor (LIGBT) (2013-04-09),

6. 8411468 - Power converters (2013-04-02),

7. 8304316 - Semiconductor device and method of forming a semiconductor device (2012-11-06),

8. 8269421 - Lighting controllers (2012-09-18),

9. 8199538 - Switched mode power supply with improved current sensing (2012-06-12),

10. 8174069 - Power semiconductor device and a method of forming a power semiconductor device (2012-05-08),

11. 8035472 - Crossed gap ferrite cores (2011-10-11),

12. 8023294 - Noise reduction systems and methods for unshielded coupling of switch mode power supply (2011-09-20),

13. 8022744 - Signal generator (2011-09-20),

14. 7961484 - Bipolar transistor drivers (2011-06-14),

15. 7944722 - Switch mode power supply controller with feedback signal decay sensing (2011-05-17),

Cambridge Semiconductor Limited is a prominent player in the power semiconductor sector, specializing in the development and manufacturing of advanced power semiconductor devices. The company focuses on innovative technologies such as lateral insulated gate bipolar transistors and switch mode power supplies, catering to a variety of applications including power converters and feedback signal decay sensing. With a commitment to enhancing performance through noise reduction systems and efficient bipolar transistor drivers, Cambridge Semiconductor is positioned at the forefront of power management solutions.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

Cambridge Semiconductor Limited

50 Patents

#20 in Cambridge

#355 in United Kingdom

#13,996 in the World

Cambridge, United Kingdom

Cambridge Semiconductor Limited

Forward Citations = 574

27 inventors:

Florin Udrea (23 out of 118 patents)

David Michael Garner (18 out of 21 patents)

Vinod A Lalithambika (12 out of 13 patents)

4. David Robert Coulson (11 out of 15 patents)

5. Gehan A J Amaratunga (9 out of 11 patents)

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