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For the Inventor, By the Inventor

Boucherville, Canada

Tm4 Inc.


USPTO Granted Patents = 39



Trademarks = 1

Forward Citations = 207

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59 inventors (with patents filed for the assignee):

goldMedal Martin Houle (14 out of 23 patents)

silverMedal Jean-Marc Cyr (11 out of 13 patents)

bronzeMedal Maalainine El Yacoubi (8 out of 13 patents)

4.  Pascal Fleury (7 out of 9 patents)

5.  Mohammed Amar (7 out of 8 patents)

6.  Stéphane Poulin (7 out of 7 patents)

7.  Bruno Carpentier (6 out of 6 patents)

8.  Jianhong Xu (5 out of 5 patents)

9.  Pierre Blouin (5 out of 5 patents)

10.  Louis-Philippe Bibeau (5 out of 5 patents)

11.  Ruisheng Shi (4 out of 7 patents)

12.  George Bursuc (4 out of 4 patents)

13.  Steve Fleming (4 out of 4 patents)

14.  François Messier (3 out of 8 patents)

15.  Éric Latulipe (3 out of 4 patents)


39 patents:

1. 10714996 - External rotor electric machine with SMC blocks interposed between permanent magnets (2020-07-14),
2. 10622881 - Circuits for softening switching phases in voltage converters (2020-04-14),
3. 10587257 - Commutation cell and compensation circuit therefor (2020-03-10),
4. 10468971 - Power converter configured for limiting switching overvoltage (2019-11-05),
5. 10468927 - Inserted permanent magnet rotor for an external rotor electric machine (2019-11-05),
6. 10277112 - Physical topology for a power converter (2019-04-30),
7. 10270315 - Cast cooling arrangement for electric machines (2019-04-23),
8. 10205405 - Turn-off overvoltage limiting for IGBT (2019-02-12),
9. 9882465 - Commutation cell, power converter and compensation circuit having dynamically controlled voltage gains (2018-01-30),
10. 9812987 - Topology for controlled power switch module (2017-11-07),
11. 9774244 - Power converter configured for limiting switching overvoltage (2017-09-26),
12. 9768693 - Compensation circuit, commutation cell and power converter controlling turn-on and turn-off of a power electronic switch (2017-09-19),
13. 9748821 - Modular cooling arrangement for electric machine (2017-08-29),
14. 9647504 - Interphase insulator (2017-05-09),
15. 9608543 - Turn-off overvoltage limiting for IGBT (2017-03-28),
TM4 Inc. is a leading developer of electric powertrain solutions for the automotive industry. With over 20 years of experience, the company specializes in the design, development, and production of electric motors, power electronics, and energy management systems. TM4's cutting-edge technologies are utilized in a wide range of applications including electric and hybrid vehicles, buses, trucks, and marine vessels. Their expertise in electric powertrain solutions has made them a trusted partner for global OEMs and fleet operators.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

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39 Patents

#2 in Boucherville

#332 in Canada

#16,924 in the World

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Boucherville, Canada

Tm4 Inc.

Forward Citations = 207

59 inventors:

goldMedal Martin Houle (14 out of 23 patents)

silverMedal Jean-Marc Cyr (11 out of 13 patents)

bronzeMedal Maalainine El Yacoubi (8 out of 13 patents)

4.  Pascal Fleury (7 out of 9 patents)

5.  Mohammed Amar (7 out of 8 patents)

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