Jean-Pierre Rene Coulmance

This inventor holds 10 USPTO granted patents. Top assignee: U.S. Philips Corporation. Active years: 1977-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Jean-Pierre Rene Coulmance. Retrieved from https://idiyas.com/inventor/jean-pierre-rene-coulmance

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

Calculating rank

USPTO Granted Patents = 10

% Patents Active = 100.0

Average Co-Inventor Count = 1.4

ph-index = 5

Forward Citations = 49(Granted Patents)

Company Filing History:

10 out of 14,087

U.S. Philips Corporation

patents

Years Active: 1977-1993

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10 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5226078 - Adjustable integrated/discrete-element line current controller in a (1993-07-06),

2. 4835484 - Gain control circuit for suppressing Larsen effect in a loudspeaker (1989-05-30),

3. 4723277 - Loudspeaking telephone set having an anti-Larsen device for instability (1988-02-02),

4. 4626626 - Interface for a telephone set (1986-12-02),

5. 4614843 - Arrangement for opening the loop for a well-defined time interval from a (1986-09-30),

6. 4357652 - Light projector equipped with a low-voltage incandescent lamp and (1982-11-02),

7. 4119835 - Electronic thermostat (1978-10-10),

8. 4088871 - Power limiting device for an electronically controlled electric heating (1978-05-09),

9. 4085310 - Control device for electric heating systems of the bi-junction type for (1978-04-18),

10. 4042875 - Temperature transducer arrangement which supplies threshold voltages (1977-08-16),

Title: Innovations by Jean-Pierre Rene Coulmance

Introduction

Jean-Pierre Rene Coulmance, an accomplished inventor based in Osny, France, has made significant contributions to the field of telecommunications and audio technology. With a total of 10 patents to his name, Coulmance has developed innovative solutions aimed at enhancing device performance and user experience.

Latest Patents

Among his latest innovations is an adjustable integrated/discrete-element line current controller designed for telephone sets. This invention incorporates a voltage gain and control circuit element connected in series with the main current path of a line current control transistor. The configuration enables precise control of line current levels, ensuring consistent performance. Another notable patent addresses the suppression of the Larsen effect in loudspeakers through a gain control circuit, which dynamically adjusts the amplifier's gain based on microphone signal amplitude. This invention significantly improves audio clarity and reliability in telephone communications.

Career Highlights

Coulmance's career has been largely associated with the U.S. Philips Corporation, where he has played a pivotal role in developing cutting-edge technologies. His expertise in designing electronic components and systems has made a lasting impact on the industry.

Collaborations

Throughout his professional journey, Coulmance has collaborated with notable coworkers such as Jean-Claude Gerard Six and Patrick Bailly. Their combined efforts and expertise have driven innovation and resulted in several patents that continue to influence telecommunications and audio technologies.

Conclusion

Jean-Pierre Rene Coulmance is a distinguished inventor whose innovative patents have transformed the landscape of communication technology. His contributions not only enhance device functionality but also improve overall user experience. As he continues to innovate, Coulmance remains a key figure in the evolution of telecommunications and audio processing.

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]