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For the Inventor, By the Inventor

Cambridge, United Kingdom

David Robert Coulson

This inventor holds 15 USPTO granted patents and 3 published patent applications, primarily in Power Supply Systems. Top assignees: Cambridge Semiconductor Limited, Graseby Medical Limited, Redisem Ltd.. Active years: 1998-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David Robert Coulson. Retrieved from https://idiyas.com/inventor/david-robert-coulson

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 15 

% Patents Active = 26.7

Average Co-Inventor Count = 2.9

ph-index = 7

Forward Citations = 349(Granted Patents)


Location History:

  • Watford, GB (1998 - 2011)
  • Cambridge, GB (2013)
  • Cambridgeshire, GB (2017 - 2019)
  • Comberton, GB (2008 - 2020)

Company Filing History:

goldMedal11 out of 50 
 
Cambridge Semiconductor Limited
 patents
silverMedal1 out of 6 
 
Graseby Medical Limited
 patents
bronzeMedal1 out of 5 
 
Redisem Ltd.
 patents
4. 2 out of 834,601 
Other
 patents

Years Active: 1998-2020

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Areas of Expertise:
Power Control Circuit
Power Converter
Feedback Signal
Switch Mode Power Supply
Bipolar Junction Transistors
Trimming Circuits
Forward Power Converter
Pressure Detection
Flexible Tubes
Self-Oscillating Converters
15 patents (USPTO):Explore Patents
1. 10658932 - Power control circuit (2020-05-19),
2. 10396669 - Power converter measuring the average rectified primary current (2019-08-27),
3. 9647567 - Regulating controller for controlled self-oscillating converters using bipolar junction transistors (2017-05-09),
4. 8446746 - Switch mode power supply controller with feedback signal decay sensing (2013-05-21),
5. 8415832 - Cable compensation (2013-04-09),
6. 7944722 - Switch mode power supply controller with feedback signal decay sensing (2011-05-17),
7. 7782083 - Trimming circuits and methods (2010-08-24),
8. 7738266 - Forward power converter controllers (2010-06-15),
9. 7583519 - Switch mode power supply systems (2009-09-01),
10. 7570497 - Discontinuous quasi-resonant forward converter (2009-08-04),
11. 7567445 - Switch mode power supply controllers (2009-07-28),
12. 7504815 - Switch mode power supply control systems (2009-03-17),
13. 7447049 - Single ended flyback power supply controllers with integrator to integrate the difference between feedback signal a reference signal (2008-11-04),
14. 7342812 - Switch mode power supply systems (2008-03-11),
15. 5807322 - Pumping and pressure detection using flexible tubes (1998-09-15),

Title: David Robert Coulson: Innovator in Power Conversion Technology

Introduction

David Robert Coulson is a prominent inventor based in Cambridge, GB. He has made significant contributions to the field of power conversion technology, holding a total of 15 patents. His innovative designs and solutions have advanced the efficiency and functionality of power converters.

Latest Patents

Coulson's latest patents include a current control circuit for a power converter. This circuit is designed to manage the supply current across primary and secondary circuits effectively. The controller within the circuit regulates switches to control the output current, while a current sensing circuit helps to bypass or cancel reactive currents. Another notable patent involves a power converter controller that operates a self-oscillating power converter using a Bipolar Junction Transistor (BJT) as a switch. This controller optimizes the timing for managing short circuits and maintains the midpoint voltage of the converter, enhancing its operational efficiency.

Career Highlights

Throughout his career, Coulson has worked with various companies, including Cambridge Semiconductor Limited. His work has focused on developing innovative solutions that improve power conversion processes and technologies.

Collaborations

Coulson has collaborated with notable professionals in his field, including David Michael Garner and Johan Piper. These collaborations have contributed to the advancement of his projects and innovations.

Conclusion

David Robert Coulson's contributions to power conversion technology through his patents and collaborations highlight his role as a leading inventor in the industry. His work continues to influence advancements in power management solutions.

Profile summary based on public USPTO records.
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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