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For the Inventor, By the Inventor

Cambridge, United Kingdom

Cambridge Silicon Radio Limited


USPTO Granted Patents = 258



Trademarks = 10

Forward Citations = 1,023

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156 inventors (with patents filed for the assignee):

goldMedal Nicolas Sornin (19 out of 35 patents)

silverMedal Andrei Popescu (15 out of 17 patents)

bronzeMedal Pasquale Lamanna (13 out of 13 patents)

4.  James Digby Yarlet Collier (13 out of 13 patents)

5.  David Chappaz (11 out of 14 patents)

6.  Xuejing Sun (10 out of 10 patents)

7.  Kuan-Chieh Yen (10 out of 16 patents)

8.  Simon Chang (10 out of 10 patents)

9.  Paul Dominic Hiscock (9 out of 23 patents)

10.  Rogerio Guedes Alves (9 out of 46 patents)

11.  Alexander Thoukydides (9 out of 17 patents)

12.  Murray Robert Jarvis (9 out of 33 patents)

13.  Rainer Herberholz (9 out of 24 patents)

14.  David Richard Hargreaves (9 out of 12 patents)

15.  Fei Tong (7 out of 25 patents)


Core Competencies:
Transimpedance Amplifiers
Chirp Communications
Power Saving Techniques
Noise Reduction
Near Field Communication
Integrated Circuits
Transceiver Design
Audio Data Streaming
GPS Positioning
Bluetooth Technology
Phased Array Antennas
RF CMOS Design

258 patents:

1. 9246439 - Current regulated transimpedance amplifiers (2016-01-26),
2. 9191058 - Chirp communications (2015-11-17),
3. 9177885 - Chip mounting (2015-11-03),
4. 9173165 - Power saving for a communication device (2015-10-27),
5. 9164768 - Executing an instruction set using a prefix to interpret an operator field as either a first or a second operator field (2015-10-20),
6. 9151845 - Reverse frequency and time aiding (2015-10-06),
7. 9148892 - Transmitting data (2015-09-29),
8. 9142221 - Noise reduction (2015-09-22),
9. 9121922 - Access point location identification methods and apparatus based on absolute and relative harvesting (2015-09-01),
10. 9112543 - Near field communication devices and methods (2015-08-18),
11. 9088210 - Dual mode power supply with inductor detection (2015-07-21),
12. 9087795 - Interconnection structure (2015-07-21),
13. 9086479 - Convergence zone (2015-07-21),
14. 9083499 - Decision feedback solution for channels with low signal to noise ratio (2015-07-14),
15. 9075608 - Integrated circuit (2015-07-07),
Cambridge Silicon Radio Limited (CSR) is a multinational semiconductor company specializing in providing single-chip wireless solutions for a variety of applications, including automotive, audio, and IoT. Headquartered in Cambridge, UK, CSR has been at the forefront of wireless technology innovation since its establishment in 1999. With a strong focus on research and development, CSR has built a reputation for delivering reliable and high-performance wireless solutions to meet the evolving needs of its global customer base.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

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258 Patents

#4 in Cambridge

#61 in United Kingdom

#3,281 in the World

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Cambridge, United Kingdom

Cambridge Silicon Radio Limited

Forward Citations = 1,023

156 inventors:

goldMedal Nicolas Sornin (19 out of 35 patents)

silverMedal Andrei Popescu (15 out of 17 patents)

bronzeMedal Pasquale Lamanna (13 out of 13 patents)

4.  James Digby Yarlet Collier (13 out of 13 patents)

5.  David Chappaz (11 out of 14 patents)

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