% Expired Patents = 66.7

Forward Citations = 460

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3 inventors (with patents filed for the assignee):

Evelyne Clavelier (12 out of 49 patents)

Frédéric Broyde (11 out of 49 patents)

Frédéric Broydé (1 out of 1 patent)

12 patents: Sort by Forward Citations

1. 11411588 - Method of automatic adjustment of a tuning unit, and apparatus for radio communication using this method (2022-08-09),

2. 8896361 - Pseudo-differential receiving circuit (2014-11-25),

3. 8599872 - Multichannel interfacing device having a switching circuit (2013-12-03),

4. 8461937 - Method for pseudo-differential transmission using natural electrical variables (2013-06-11),

5. 8338992 - Transmission device using a plurality of elementary return conductors (2012-12-25),

6. 8222919 - Multichannel interfacing device having a termination circuit (2012-07-17),

7. 8193875 - Method for pseudo-differential transmission using a non-uniform interconnection (2012-06-05),

8. 8174334 - Method for transmission using a non-uniform interconnection (2012-05-08),

9. 8125240 - Multichannel interfacing device having a balancing circuit (2012-02-28),

10. 8049576 - Method for pseudo-differential transmission using modal electrical variables (2011-11-01),

11. 7952429 - Multiple-input and multiple-output amplifier having pseudo-differential inputs (2011-05-31),

12. 5883517 - Device for locating defects in underwater telecommunication links (1999-03-16),

Company Overview

Excem is a technology-driven company based in Maule, France, specializing in advanced solutions for various industries. The organization focuses on developing innovative products and services that enhance operational efficiency and sustainability. With a strong emphasis on research and development, Excem operates in domains such as environmental technology, energy management, and industrial automation. The company's commitment to innovation positions it as a key player in driving technological advancements within its sector.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

12 Patents

#1 in

#1,485 in

#48,209 in the World

Maule, France

Excem

Forward Citations = 460

3 inventors:

Evelyne Clavelier (12 out of 49 patents)

Frédéric Broyde (11 out of 49 patents)

Frédéric Broydé (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Excem. Retrieved from https://idiyas.com/company/excem

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]