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For the Inventor, By the Inventor

Edinburgh, United Kingdom

Wolfson Microelectronics Limited

USPTO Granted Patents = 117

% Expired Patents = 20.5


Trademarks = 1

Forward Citations = 1,630

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51 inventors (with patents filed for the assignee):

goldMedal John Paul Lesso (28 out of 316 patents)

silverMedal John Laurence Pennock (27 out of 66 patents)

bronzeMedal Peter John Frith (13 out of 36 patents)

4.  Anthony James Magrath (13 out of 19 patents)

5.  Richard Ian Laming (10 out of 40 patents)

6.  Holger Haiplik (8 out of 16 patents)

7.  Anthony Traynor (7 out of 12 patents)

8.  David Sinai (6 out of 8 patents)

9.  Colin Steele (5 out of 20 patents)

10.  Andrew Notman (5 out of 8 patents)

11.  Mark McCloy-Stevens (5 out of 13 patents)

12.  Richard David Clemow (5 out of 26 patents)

13.  Tsjerk Hans Hoekstra (4 out of 28 patents)

14.  Colin Robert Jenkins (4 out of 20 patents)

15.  Paul Lesso (4 out of 7 patents)


Core Competencies:
Noise Cancellation
MEMS Devices
Amplifier Circuits
Charge Pump Circuits
Audio Codec
Digital Circuit
Transducer Circuit
DC-DC Converters
Power Management
Current Limiting
Frequency Control
Calibration Circuit

117 patents:

1. 8913762 - Capacitive transducer circuit and method (2014-12-16),
2. 8908876 - Noise cancellation system with lower rate emulation (2014-12-09),
3. 8890604 - Charge pump circuit (2014-11-18),
4. 8854132 - Amplifier circuit (2014-10-07),
5. 8843227 - Wireless cellular telephone with audio codec (2014-09-23),
6. 8841737 - MEMS device and process (2014-09-23),
7. 8831238 - Noise cancellation system (2014-09-09),
8. 8824703 - Amplifier circuit (2014-09-02),
9. 8803261 - MEMS process and device (2014-08-12),
10. 8751025 - Control sequencer (2014-06-10),
11. 8750539 - Charge pump circuits (2014-06-10),
12. 8742970 - Analogue-to-digital converter (2014-06-03),
13. 8737633 - Noise cancellation system with gain control based on noise level (2014-05-27),
14. 8737171 - MEMS device and process (2014-05-27),
15. 8729880 - Switched power regulator with error signal estimation and presetting (2014-05-20),
Company Overview
Wolfson Microelectronics Limited, based in Edinburgh, specializes in advanced audio technology, particularly in noise cancellation systems. The company focuses on developing innovative solutions that enhance audio experiences across various applications, including consumer electronics and automotive systems. Its expertise encompasses a range of core technologies, such as MEMS devices, amplifier circuits, and audio codecs, positioning it as a leader in the audio semiconductor industry. Wolfson's commitment to research and development drives its contributions to next-generation audio solutions.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

Wolfson Microelectronics Limited USPTO Patent Assignee Logo
117 Patents

#2 in Edinburgh

#148 in United Kingdom

#6,803 in the World

Edinburgh, GB
Edinburgh, United Kingdom

Wolfson Microelectronics Limited

Forward Citations = 1,630

51 inventors:

goldMedal John Paul Lesso (28 out of 316 patents)

silverMedal John Laurence Pennock (27 out of 66 patents)

bronzeMedal Peter John Frith (13 out of 36 patents)

4.  Anthony James Magrath (13 out of 19 patents)

5.  Richard Ian Laming (10 out of 40 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Wolfson Microelectronics Limited. Retrieved from https://idiyas.com/company/wolfson-microelectronics

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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